
Blynk - Detailed Review
Networking Tools

Blynk - Product Overview
Blynk Overview
Blynk is an advanced IoT software platform that simplifies the development, management, and integration of Internet of Things (IoT) devices. Here’s a brief overview of its primary function, target audience, and key features:
Primary Function
Blynk serves as a unified platform for building, running, and improving IoT products. It offloads connectivity tasks to a Network Co-Processor (NCP), allowing the primary Microcontroller Unit (MCU) to focus on application logic. This dual-MCU architecture enhances the efficiency and functionality of IoT devices.
Target Audience
Blynk is aimed at a wide range of users, from hobbyists and makers to businesses of all sizes. It is particularly beneficial for companies looking to develop and manage smart home devices, as well as those retrofitting existing products with IoT capabilities. The platform is also suitable for new IoT-powered businesses that may not have large engineering teams.
Key Features
Device Provisioning
Blynk offers easy device provisioning using BLE-assisted or WiFi AP-based methods, making it simple for users to connect their devices. It also supports production line provisioning.
Network Manager
The platform manages various network connections including WiFi (up to 16 saved networks), Ethernet, and Cellular, with advanced network connection troubleshooting.
Over The Air (OTA) Firmware Updates
Blynk allows for automatic OTA firmware updates for both the NCP and the primary MCU, which can be scheduled or performed before device activation.
Secure Cloud Connection
Blynk ensures secure communication between the cloud, apps, and devices. It provides APIs for data transfer, events, metadata access, time, timezone, and location tracking.
Smart Automation
Users can create automation scenarios that trigger various actions, such as scheduling a coffee machine to brew coffee or a robot vacuum to tidy up. The platform also supports remote control and monitoring of devices via smartphones or web dashboards.
User Management and Security
Blynk offers multi-tenant user management, 24/7 incident monitoring, and encrypted communication to ensure IoT security.
Marketing and Engagement
The platform allows for direct communication with customers through push notifications and in-app messaging, enabling businesses to promote and upsell their products effectively.
Overall, Blynk streamlines the development and management of IoT devices, making it easier for businesses to build, run, and improve their IoT products while providing a seamless user experience.

Blynk - User Interface and Experience
User Interface Overview
The user interface of Blynk is characterized by its simplicity, intuitiveness, and extensive functionality, making it highly user-friendly and efficient for managing IoT operations.
Blynk.Console
The Blynk.Console is the administrative interface where users can configure and manage various aspects of their IoT setup. It is divided into three main areas:
- Main Menu: This section contains shortcuts to the main sections of the app, with the availability of sections controlled by permissions.
- Top Bar: This holds resources, help tools, and navigation related to the main menu selection.
- Main View: Here, users can create, edit, view, and delete accounts, templates, devices, and other items. This area displays detailed information about the selected entities.
Mobile Apps
Blynk offers native iOS and Android mobile apps that allow users to remotely control connected devices and visualize data from them. These apps operate in two primary modes:
- Developer Mode: Used for building and editing the Mobile Dashboard user interface (GUI) for a given Device Template. The dashboard is built from modular UI elements called Widgets, each serving a specific function such as buttons, sliders, or charts.
- End-User Mode: Focuses on devices, automations, and notifications management. The home screen can be configured to include sections like Devices, Automations, and Notifications & Events, making it easy to manage and view device data.
Drag-and-Drop Interface
Blynk’s interface is notable for its drag-and-drop capabilities, which simplify the process of creating and modifying IoT applications. This low-code approach allows users to quickly set up and customize their applications without extensive technical knowledge. The platform offers over 50 adjustable mobile and web widgets, enabling deep customization to align with a company’s brand identity.
Ease of Use
The platform is praised for its ease of use, with a straightforward layout and an intuitive interface. Users can create customized apps with minimal effort, thanks to the pre-designed widgets and the drag-and-drop functionality. This makes Blynk accessible not only to developers but also to non-technical users who need to manage IoT devices and applications.
Overall User Experience
The user experience on Blynk is seamless and cohesive, catering to both business professionals and technical personnel. The native mobile apps provide a superior user experience compared to web-based apps, ensuring smoother interactions and better performance. The extensive customization options and the ability to create white-label apps further enhance the user experience by allowing businesses to align the app’s look and feel with their brand identity.
Conclusion
In summary, Blynk’s user interface is designed for ease of use, with a clear and intuitive layout, drag-and-drop functionality, and extensive customization options. This makes it an ideal platform for managing and controlling IoT devices, whether you are a developer or a non-technical user.

Blynk - Key Features and Functionality
Blynk Overview
Blynk, a low-code IoT platform, offers a range of key features and functionalities that make it a versatile and powerful tool for managing and integrating IoT devices. Here are the main features and how they work:
Device Management and Connectivity
Blynk allows users to connect a wide variety of devices to the cloud, including those with WiFi, Ethernet, Cellular (GSM, 2G, 3G, 4G, LTE), and LoRaWAN connectivity. The platform supports over 400 boards and enables easy device provisioning through methods like BLE-assisted provisioning, WiFi AP-based provisioning, and production line provisioning.
Remote Control and Monitoring
Users can remotely control and monitor their devices using a web browser or mobile apps. This feature is facilitated through the Blynk.Console, which provides a user-friendly interface for managing devices, users, organizations, and locations. The console includes a Main Menu, Top Bar, and Main View, allowing users to create, edit, view, and delete various items such as accounts, templates, and devices.
Data Visualization and Storage
Blynk enables the visualization and storage of real-time and historical data. Users can set up data streams and configure virtual pins to send and receive data from devices. The platform stores this data securely in the cloud, allowing for real-time or interval-based data transfer and storage. This data can be visualized through customizable dashboards, helping users gain insights into their IoT operations.
Automation and Alerts
The platform supports automation capabilities, including persistent automations and the ability to set up push notifications and alerts. Users can configure device events and automate actions based on the data received from devices. This feature helps in maintaining efficient operations and ensuring timely responses to critical events.
Multi-Level User Management
Blynk offers a multi-tenant system with granular user permissions. Users can create an organization hierarchy of up to five levels, assign roles, and edit user permissions. This ensures that different users have access to only the necessary parts of the system, enhancing security and operational efficiency.
Over-the-Air (OTA) Updates
Blynk supports OTA firmware updates for supported hardware via WiFi or cellular connections. This feature allows users to update device firmware remotely, reducing the need for physical interventions and ensuring devices remain up-to-date with the latest software.
Integration with Industry-Standard Protocols
Blynk has expanded its support to include industry-standard protocols like LoRaWAN and MQTT. This integration enables seamless connectivity with a wide range of hardware from partners like Seeed Studio, allowing businesses to deploy IoT solutions quickly and cost-effectively without requiring extensive coding expertise.
AI and Data Analytics
While Blynk itself is not explicitly described as an AI-driven product, it does facilitate the collection, standardization, and analysis of large sets of data from various IoT devices. This data can be used to gain insights into business trends and make qualified decisions. However, the platform does not inherently include AI-driven features; it focuses more on providing a low-code environment for IoT device management and data visualization.
Conclusion
In summary, Blynk’s features are centered around ease of use, comprehensive device management, and efficient data handling, making it a valuable tool for businesses and developers looking to integrate and manage IoT devices effectively.

Blynk - Performance and Accuracy
Performance
Blynk demonstrates strong performance in several areas:Latency
In optimal network conditions, Blynk-enabled systems can achieve latency consistently below 2 seconds, which is crucial for real-time control and monitoring. For example, in the context of an IoT-enabled smart fence, latency testing showed that the system responded swiftly to user commands via the Blynk application, meeting the non-functional requirement of a 95% reliability threshold.Connectivity
The platform ensures stable connectivity between devices and the Blynk application. However, latency can increase to between 2 and 5 seconds, and brief disconnections can occur under fair or poor network conditions. This highlights the system’s dependence on network quality.Hardware and Software Reliability
Blynk integrates well with various hardware components, such as NodeMCU ESP32, ensuring that all components operate within expected voltage ranges and meet their functional requirements. This indicates high hardware reliability and effective software performance.Accuracy
Sensor Accuracy
Blynk’s integration with sensors, such as ultrasonic sensors, provides accurate feedback. For instance, sensor accuracy testing showed that the ultrasonic sensors could detect obstacles with minor acceptable variance, ensuring reliable monitoring.Data Transmission
Blynk uses encrypted datastreams for bi-directional communication, ensuring secure and accurate data transfer. Each datastream supports different data types and provides time-stamped historical data, which is beneficial for monitoring and analysis.Limitations and Areas for Improvement
Network Dependence
One of the significant limitations is the system’s dependence on stable network quality. Variations in network conditions can lead to increased latency and brief disconnections, which can impact the overall performance.Server and Widget Limitations
When using the Blynk Cloud server, there are limitations on the number of widgets that can be used, imposed by the “energy” pricing system. This can restrict the scope of projects, especially for users with limited energy units. However, these limitations can be mitigated by using a private Blynk server or purchasing additional energy units.Data Resolution and Frequency
There can be delays in data transmission due to the inherent nature of sending data through the internet. Adjusting the timer intervals for data transmission can help manage these delays, but it may require compromising on the resolution or frequency of data updates.Additional Features and Capabilities
Automations and Security
Blynk offers built-in no-code automations that can respond to changes in datastream values, and it provides granular permissions and secure communication channels. Each device has a unique OAuth token and Product ID, ensuring that only authorized users can access the devices.Scalability and Flexibility
Blynk is hardware-agnostic, allowing it to be used with a wide range of devices. It also supports multiple device templates and a large number of datastreams per device, making it versatile for various IoT applications. In summary, Blynk performs well in terms of latency, connectivity, and accuracy, especially under optimal network conditions. However, it is important to address its limitations, particularly the dependence on network quality and the restrictions imposed by the cloud server’s energy system.
Blynk - Pricing and Plans
Blynk Pricing Structure
Blynk offers a tiered pricing structure to cater to various user needs, from individual developers to large enterprises. Here’s a breakdown of the different plans and their features:
Free Plan
- Cost: $0 per month
- Devices: Up to 2 devices (recently updated to allow up to 10 devices, but with limited data points)
- Users: Up to 5 users
- Device Templates: 3 device templates
- Datastreams: 5 datastreams per template (recently updated to 20 datastreams per device, but with a limit of 150 data points per month)
- Historical Data Storage: 1 week
- Widgets: Free widgets
This plan is suitable for development and prototyping.
Maker Plan
- Cost: $7 per month
- Devices/Users: 10 or 20 devices/users
- Device Templates: 10 device templates
- Datastreams: 20 datastreams per template
- Historical Data Storage: 1 month
- Widgets: Maker widgets
- Permissions: Locked permission sets
This plan is ideal for small-scale projects and personal use.
Pro Plan
- Cost: $49 per month
- Devices/Users: 40, 100, or 500 devices/users
- Device Templates: 50 device templates
- Datastreams: 200 datastreams per template
- Historical Data Storage: 6 months
- Widgets: PRO widgets
- Permissions: Editable roles and permissions
- Organization Management: Included
This plan is suitable for medium to large-scale projects and businesses.
Business Plan
- Cost: $999 per month
- Devices/Users: Up to 10,000 users/devices
- Device Templates: Not specified, but includes PRO widgets
- Historical Data Storage: Not specified, but includes enterprise-level data security
- Branding: Branded mobile apps in Google Play or App Store
- Support: Dedicated support
- Server: Private business server
- Security: Enterprise level data security and SLA
This plan is designed for large enterprises and businesses requiring extensive features and support.
Additional Notes
- Blynk also offers a free trial for users to test the platform before committing to a paid plan.
- The platform supports various integrations, including Microsoft Power BI, Alexa, Google Home, and more.
- Blynk is commonly used for IoT device management and supports both Android and iOS platforms.

Blynk - Integration and Compatibility
Blynk: A Comprehensive IoT Platform
Blynk is a versatile and comprehensive IoT platform that integrates seamlessly with a wide range of tools, devices, and platforms, making it a powerful solution for IoT projects.Integration with Other Tools
Blynk offers extensive integration capabilities that allow it to work with various existing systems and tools. Here are some key integration points:Webhooks and APIs
Blynk supports HTTPs RESTful API, which enables easy data exchange between hardware, cloud, and mobile apps using HTTPs requests. It also supports MQTT, a secure and industry-standard two-way communication protocol, ideal for projects using MQTT libraries, Node-RED, or SDKs with MQTT support.Particle Integration
Blynk has a specific integration with Particle, allowing users to connect Particle devices using webhooks. This integration includes a pre-configured Blueprint that simplifies the setup process, including firmware updates and device provisioning.Node-RED and Similar Tools
Blynk’s support for MQTT and HTTPs APIs makes it compatible with tools like Node-RED, facilitating smooth integration into existing workflows.Compatibility Across Devices
Blynk is highly compatible with a broad spectrum of hardware modules and development boards:Supported Hardware
Blynk can run on over 400 hardware modules, including popular ones like ESP32, ESP8266, NodeMCU, Arduino boards, and Raspberry Pi models. It also supports dual-MCU configurations and Network Co-Processors (NCPs).Blynk Library
The Blynk Library is a user-friendly and portable C library pre-configured to work with hundreds of development boards. It implements a streaming connection protocol for low-latency, bi-directional communication.Blynk.Edgent
This is a packaged solution that simplifies the connection of devices to the Blynk platform, offering features like device claiming, Wi-Fi provisioning, and over-the-air firmware updates for select hardware models.NCP and HTTP(s) API
Blynk provides a versatile software stack for NCPs, handling cloud connectivity and offloading tasks from the main device’s MCU. The HTTP(s) API allows devices to connect to the cloud periodically to transfer data, especially useful for cellular devices.Cross-Platform Support
Blynk ensures seamless operation across various platforms:Mobile Apps
Blynk offers native mobile apps for iOS and Android, allowing users to remotely monitor and control connected devices. These apps can be customized during prototyping and production stages.Web Dashboard
Blynk provides a web dashboard that can be built using a drag-and-drop constructor, eliminating the need for coding the front end. This dashboard supports remote monitoring and control of devices.Desktop and Virtual Platforms
Blynk supports any major desktop platform, including Linux, Windows, and MacOS, as well as virtual platforms and emulators.Additional Features
Blynk’s integration and compatibility are further enhanced by its advanced features:Datastreams and Data Visualization
Blynk manages data flow using datastreams, which handle various types of data and ensure accurate logging and easy access to historical data. It also offers robust data visualization tools.Automations and Notifications
Users can create automations where devices perform actions based on conditions, such as triggering notifications or sending emails.User and Device Management
Blynk includes advanced tools for user and device management, allowing for multi-tenant IoT applications and the categorization of devices and users into organizations with assigned roles and permissions. Overall, Blynk’s extensive integration capabilities, broad hardware compatibility, and cross-platform support make it a highly versatile and effective IoT platform.
Blynk - Customer Support and Resources
Support Options
Blynk offers a variety of support channels to address your needs:
Email/Help Desk
You can reach out to the support team via email for assistance with any issues you might encounter.
Chat
Blynk provides a chat support option, allowing you to get real-time help from their support team.
Knowledge Base
The Blynk Knowledge Base is a comprehensive resource that includes documentation, guides, and FAQs to help you troubleshoot and learn about the platform.
FAQs/Forum
The Blynk community forum is a valuable resource where you can find answers to common questions and interact with other users who may have experienced similar issues. For example, the community forum addresses login issues and differences between Blynk Legacy and Blynk IoT.
24/7 Live Support
Blynk also offers 24/7 live support, ensuring you can get help at any time.
Additional Resources
In addition to the support options, Blynk provides several resources to help you get the most out of the platform:
Documentation
Blynk has detailed documentation, including guides on getting started, supported hardware, and various APIs such as Blynk Library, Blynk.Edgent, HTTP(s) API, and MQTT API. These resources help you understand how to connect your devices to the Blynk Cloud and utilize its features effectively.
Quickstart Flow
For new users, Blynk offers a Quickstart flow that helps you set up your devices quickly and explore the Blynk Library documentation.
Community
The Blynk community is active and helpful, with users sharing their experiences and solutions to common problems. This community can be a great resource for learning from others and getting support from peers.
By leveraging these support options and resources, you can ensure a seamless experience with Blynk and make the most of its IoT capabilities.

Blynk - Pros and Cons
Advantages of Blynk
Blynk offers several significant advantages that make it a compelling choice in the IoT platform category:User-Friendly Interface
Blynk is known for its intuitive and low-code approach, making it easy for users to develop IoT applications without extensive coding skills. The platform features a drag-and-drop app builder that simplifies the creation of custom mobile apps and dashboards.Real-Time and Historical Data Visualization
Blynk allows for real-time and historical data visualization, enabling users to track device performance, sensor data, and derive useful insights. This feature is crucial for making informed decisions quickly.Device Management and Provisioning
The platform offers advanced device management capabilities, including device provisioning, profiling, and over-the-air (OTA) firmware updates. This streamlines the process of setting up and maintaining large numbers of devices.Security and Data Protection
Blynk prioritizes data security with encrypted communication, strong authentication, and secure password storage. It also ensures that only trusted and secured devices are connected to the user’s network.Multi-Tenancy and Access Control
Blynk features a role-based access system with granular permissions, allowing users to manage access to device data and controls effectively. This is particularly useful for organizations with complex hierarchies and multiple users.Flexibility in Deployment
The platform supports both cloud and private server deployments, giving enterprises the flexibility to choose their preferred infrastructure for data control and security.Automation and Notifications
Blynk includes a powerful rule engine for automating complex workflows and processes. It also supports push notifications, both device-triggered and marketing-oriented, to keep users informed and engaged.Community and Support
Blynk has an active online community and offers dedicated enterprise support, ensuring reliable and prompt assistance for users.Compatibility with Hardware
The platform seamlessly integrates with a wide range of hardware, including Arduino, Raspberry Pi, and professional-grade boards from companies like Particle and Texas Instruments.Disadvantages of Blynk
While Blynk offers many advantages, there are some potential drawbacks to consider:Learning Curve for Advanced Features
Although Blynk is generally user-friendly, some of its more advanced features, such as the rule engine and automation capabilities, may still require some time to learn and master.Cost
Blynk offers various pricing plans, and while it is competitive, the cost can add up, especially for large-scale deployments or enterprises requiring additional features like private servers and localization.Limited Customization for Technical Users
While Blynk’s low-code approach is a strength for many users, it may not offer the level of customization and control that more technically inclined users or developers might prefer. This could be a limitation for those who need more granular control over their IoT applications.Dependence on Cloud Services
For users who prefer or require local control over their data, the dependence on cloud services could be a drawback, although Blynk does offer private server options for business plans. In summary, Blynk is a powerful and user-friendly IoT platform that excels in ease of use, real-time data visualization, and device management. However, it may have some limitations in terms of cost, learning curve for advanced features, and customization options for technical users.
Blynk - Comparison with Competitors
Unique Features of Blynk
- Low-Code Approach: Blynk is distinguished by its low-code methodology, making it easier for users to connect devices, build mobile apps, and manage IoT operations without extensive coding knowledge. It supports over 400 boards and various connectivity options like WiFi, Ethernet, Cellular, and LoRaWAN.
- Intuitive Interface and Mobile Apps: Blynk offers a user-friendly interface with ready-made widgets, which simplifies the oversight of IoT operations. Its native mobile apps provide a superior end-user experience compared to web-based alternatives.
- Device Provisioning and Profiling: Blynk includes features like device provisioning and profiling, which allow for easy WiFi connection setup and the addition of metadata to devices. This includes BLE-assisted and WiFi AP-based provisioning, as well as production line provisioning.
- Automation and Over-the-Air Updates: Blynk supports advanced automations and over-the-air firmware updates (Blynk.Air), ensuring devices can be managed and updated efficiently.
Potential Alternatives
ThingsBoard
- ThingsBoard is another IoT platform that, unlike Blynk, targets a more technical audience. It offers an open-source framework and sophisticated management capabilities for user roles and permissions. ThingsBoard is strong in data collection, visualization, and real-time data processing, but it requires more software development skills.
AI-Driven Networking Tools
While Blynk is primarily an IoT platform, there are AI-driven networking tools that offer different but complementary functionalities:
- Juniper Networks Mist AI Platform: This platform uses AI to ensure optimal network performance, particularly in wireless environments. It provides Wi-Fi assurance, AI-driven insights, and automated operations, significantly reducing networking trouble tickets and operational expenses. Unlike Blynk, Juniper’s platform is focused on network operations rather than IoT device management.
- Cisco DNA Center: Cisco DNA Center is a network management tool that leverages AI for automated troubleshooting, policy management, and real-time analytics. It is more focused on enterprise network management rather than IoT device control. It offers automated troubleshooting and policy management, which are not the primary focus of Blynk.
- Arista Networks CloudVision: Arista’s CloudVision integrates AI for network monitoring, predictive analytics, and automation. It provides a comprehensive view of network operations but is more geared towards traditional network management rather than IoT-specific tasks.
- Nile AI Services Platform: Nile offers an AI services platform that automates network design, configuration, and management. It includes AI-based network design and deployment, which is different from Blynk’s focus on IoT device management and mobile app development.
Summary
Blynk stands out with its low-code approach, intuitive interface, and strong focus on IoT device management and mobile app development. For those needing more advanced network management features, tools like Juniper Networks Mist AI Platform, Cisco DNA Center, and Arista Networks CloudVision might be more suitable. If you are looking for an open-source IoT platform with more technical depth, ThingsBoard could be a viable alternative. Each platform has its unique strengths, so the choice depends on the specific needs of your project or organization.

Blynk - Frequently Asked Questions
Frequently Asked Questions about Blynk
Q1: What is Blynk IoT and how does it differ from the older versions?
Blynk IoT is the latest version of the Blynk platform, succeeding the older Blynk for Arduino. It is significantly more advanced, offering a wide range of new features such as device management, over-the-air firmware updates, and enhanced automation capabilities.Q2: What are the key features of the Blynk IoT platform?
The Blynk IoT platform includes several key features:- Blynk.App: A no-code mobile app builder for IoT.
- Blynk.360: A web console for managing devices, users, and data.
- Templates: A new device creation process designed for scale.
- Blynk.Inject: A WiFi manager built into the Blynk mobile app for device provisioning and profiling.
- Blynk.Air: Over-the-air firmware updates.
- Automations: Advanced automation features.
- Voice Assistants: Integration with voice assistants.
- Multi-tenancy: Role-based access and permission settings.
Q3: What are the different pricing plans available for Blynk IoT?
Blynk IoT offers several pricing plans:- Free: Supports 2 devices, 5 users, 3 device templates, and 1 week of historical data storage.
- Maker: Costs $7/month, supports 10-20 devices/users, 10 device templates, and 1 month of historical data storage.
- Pro: Costs $49/month, supports 40-500 devices/users, 50 device templates, and 6 months of historical data storage.
- Business: Costs $999/month, includes branded mobile apps, support for 10,000 users/devices, and enterprise-level data security.
Q4: What is Blynk.Inject and how does it work?
Blynk.Inject is a WiFi manager built into the Blynk mobile app. It includes a WiFi connection wizard, eliminating the need for separate web pages or third-party libraries to input WiFi credentials. Additionally, it allows for device profiling, where users can add metadata to devices after they are connected to WiFi.Q5: Can I customize the Blynk IoT platform for my business?
Yes, Blynk IoT offers customization options. The Business plan allows for branded mobile apps with your company’s logo, custom fonts, and colors. You can also create customized dashboards for different clients and update them as needed.Q6: How does Blynk IoT handle device management and connectivity?
Blynk IoT provides solid connectivity management, allowing industries to control smart devices and networked assets worldwide. It offers tools to administer devices throughout their lifecycles, identify problems, and automatically take actions to solve issues. This reduces the time and resources needed to manage device deployments.Q7: Is there a free trial available for Blynk IoT?
Yes, a free trial is available for the Blynk IoT platform. This allows you to explore the features and see which plan best fits your needs before committing to a paid plan.Q8: What kind of support does Blynk IoT offer for commercial and enterprise users?
Commercial and enterprise users can benefit from dedicated support, organization management, and private business servers. The Business and Enterprise plans also include enterprise-level data security and Service Level Agreements (SLAs).Q9: Can I use Blynk IoT for both personal and commercial projects?
Yes, Blynk IoT is versatile and can be used for both personal and commercial projects. The Free and Maker plans are more suited for personal use and small projects, while the Pro and Business plans are designed for commercial use and larger-scale implementations.Q10: How does Blynk IoT integrate with other technologies like voice assistants?
Blynk IoT supports integration with voice assistants, allowing users to control their IoT devices using voice commands. This enhances the user experience and provides more convenience in managing connected devices.