Blynk IoT vs BLE Controller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Blynk IoT
Build custom IoT apps without coding using a drag-and-drop interface. Manage devices, users, and data remotely with a powerful web console and scalable cloud infrastructure. Supports over 400 hardware boards and various connection options.
- Drag-n-drop IoT app builder
- Device and user management
- OTA firmware updates
- Secure cloud infrastructure
- Hardware compatibility (400+ boards)
- Real-time alerts and automations
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Trusted by over 1 million IoT developers worldwide, Blynk lets you build and customize beautiful, feature-rich apps without writing a single line of code. Blynk solves IoT complexity at every stage with easy workflows for end-user device activation, WiFi provisioning, seamless OTA firmware updates, enterprise-grade security, and much more! ⊲ Not Just an App... Blynk is an award-winning low-code IoT platform that supports IoT at any scale—from personal prototypes to millions of connected devices in production environments. 2024 Leader: IoT Platforms (G2) 2024 High Performer: IoT Management (G2) 2024 Momentum Leader: IoT Development Tools (G2) Designed, developed, tested, and continuously maintained, Blynk provides the building blocks of a fully integrated cloud IoT platform software solution—loved by customers and their end-users around the world! ⊲ Here’s What You Get When You Sign Up: Blynk.Apps: Drag-n-drop IoT app builder to build and brand feature-rich mobile apps in minutes and instantly manage devices, users, and data remotely. Blynk.Console: A powerful web portal to manage devices, users, and organizations, perform OTA firmware updates, and handle other important business functions. Blynk.Cloud: Cloud infrastructure needed to securely host, scale, and monitor your IoT solutions. Receive, store, and process data in real-time or at intervals. Connect to your other systems via APIs. Private server options are available. ⊲ Secure, Scalable Enterprise-Grade Infrastructure Processing over 180 billion hardware messages monthly, Blynk provides secure, end-to-end encryption between the cloud, apps, and devices with 24/7 incident monitoring, ensuring you don’t have to worry about security. ⊲ Robust Hardware Compatibility Supporting over 400 hardware development boards—including ESP32, Arduino, Raspberry Pi, Seeed, Particle, SparkFun, Blues, Adafruit, Texas Instruments, and more—Blynk makes it easy to connect your devices to the cloud using WiFi, Ethernet, Cellular (GSM, 2G, 3G, 4G, LTE), LoRaWAN, HTTPs, or MQTT. ⊲ Flexible Connection Options Blynk Library: Pre-configured C++ library for low-latency, bi-directional communication. Blynk.Edgent: Advanced features with less code for data exchange, WiFi provisioning, OTA firmware updates, and API access to apps and cloud. Blynk.NCP: High-quality network co-processor integration for dual MCU architecture. HTTP(s) API: Standard protocol to securely communicate and transfer data. MQTT API: Secure, versatile two-way communication for building MQTT dashboards or panels. ⊲ What an IoT Developer Can Do with Blynk: • Easy Device Activation • Device WiFi Provisioning • Sensor Data Visualization • Shared Access to Devices • Data Analytics • Remote Device Control • Asset Tracking • Firmware Over-the-Air (OTA) Updates • Multi-Device Management with a Single App • Real-Time Alerts: Send and receive push and email notifications. • Automations: Create scenarios for one or multiple devices based on various triggers. • Manage Multi-Level Organizations and Access to Devices • Voice Assistant Integration: Interact with devices using Amazon Alexa and Google Home. To use the Blynk IoT app, you must agree to our Terms of Use - https://blynk.io/tos
BLE Controller
This app enables wireless control of microcontrollers like Arduino and ESP32 via Bluetooth Low Energy. It features a customizable remote interface, a serial console for real-time data monitoring, and device management tools for makers and hobbyists.
- Customizable button interface
- Real-time serial console
- Device scanning and management
- Bi-directional communication
- Offline functionality
- Dark and light themes
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Control your Arduino, ESP32, STM32, Micro:bit and IoT devices wirelessly with BLE Controller - the ultimate Bluetooth Low Energy remote and serial terminal for makers, hobbyists, and professionals. POWERFUL BLUETOOTH CONTROL BLE Controller provides seamless wireless communication with your microcontroller projects. Connect to any Bluetooth-enabled Arduino, ESP32, ESP8266, or IoT device and take full control from your iPhone or iPad. CUSTOMIZABLE REMOTE CONTROL Create your perfect control interface with fully customizable buttons. Each button can be personalized with: - Custom labels and commands - Color-coded organization - Icon selection from 20+ options - Instant command transmission Perfect for robot control, smart home automation, motor control, LED strips, servo control, and more. Send commands like Forward, Backward, Left, Right, Stop, or any custom serial commands your project needs. SERIAL CONSOLE & TERMINAL Monitor real-time data from your devices with the built-in serial console. View sensor readings, debug messages, and system logs as they happen. Send custom commands directly to your device and receive instant feedback. Features: - Real-time data streaming - Command history - Clear and organized log view - Custom baud rate configuration - Bi-directional communication SMART DEVICE MANAGEMENT - Quick scan for nearby BLE devices - Auto-save recent connections - RSSI signal strength monitoring - One-tap reconnection to favorite devices - Device connection history PROFESSIONAL FEATURES - Dark and light theme options - Haptic feedback for tactile response - Offline functionality - no internet required - Privacy-focused - your data stays on your device - No subscription fees or in-app purchases PERFECT FOR - Arduino robot control (cars, drones, rovers) - ESP32/ESP8266 IoT projects - Home automation systems - Robotics competitions - STEM education and learning - Prototype testing and development - Maker projects and hackathons - Industrial automation - Smart device integration - Serial communication testing EASY SETUP 1. Enable Bluetooth on your device 2. Upload BLE serial code to your Arduino/ESP32 3. Tap "Scan" to find your device 4. Connect and start controlling 5. Customize buttons for your project needs RELIABLE & STABLE Built with professional-grade Bluetooth libraries ensuring stable connections and reliable data transmission. Advanced error handling and automatic reconnection keep you connected to your projects. CONTINUOUS UPDATES We're committed to making BLE Controller the best Bluetooth control app for makers. Regular updates bring new features, improvements, and bug fixes. SUPPORT & COMMUNITY Need help? Our support team is ready to assist with setup questions, connection issues, or feature requests. Join thousands of makers worldwide using BLE Controller for their projects. COMPATIBLE PLATFORMS • Arduino (Uno, Mega, Nano with BLE module) • ESP32 (built-in BLE) • ESP8266 (with external BLE module) • HC-05/HC-06 Bluetooth modules • nRF52 boards • Raspberry Pi with Bluetooth • Any device with BLE serial capability Start building amazing wireless projects today. Download BLE Controller and bring your IoT devices to life!
Screenshots
Verdict
Blynk IoT and BLE Controller both sit at 4.5 stars, but that hides the real split: 100% of BLE Controller's written reviews are positive against 42% of Blynk IoT's. BLE Controller also leads on in-app purchases (none vs 7) and device support (3 vs 1). Blynk IoT's advantage is ratings volume (828 vs 26). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Blynk IoT sells 7 in-app purchases, starting at $6.99 per month. BLE Controller asks for nothing beyond the download.
BLE Controller holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Blynk IoT has 828 ratings behind it against 26, so its average is the more settled of the two. Written reviews point the same way: 42% of Blynk IoT's written reviews are positive against 100% of BLE Controller's.
Blynk IoT ships an update monthly, BLE Controller every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Blynk IoT | BLE Controller |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (828 ratings) | 4.7 (26 ratings) — better |
| Positive reviews | 42.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 828 — better | 26 |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 86 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | Blynk Technologies | CircuitMagic Inc. |
Customer experience
Blynk IoT
BLE Controller
Bugs and requests
Blynk IoT
Reported bugs
4 issues- Connectivity issues with devices
- Widgets not working as expected
- Account deletion without warning
- Incompatibility with older hardware
Requested features
5 requests- Dark mode option
- Bluetooth support
- Better documentation and tutorials
- Restore legacy app functionality
- Affordable pricing for hobbyists
BLE Controller
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Blynk IoT
- Blynk MAKER - Monthly$6.991 Month
- Blynk Starter - Monthly$29.001 Month
- Blynk PRO (40 users) Monthly$48.991 Month
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- Blynk MAKER - Yearly$59.991 Year
- Blynk PRO (100 users) Monthly$98.991 Month
- Blynk PRO (50 users) Monthly$99.001 Month
- Blynk PRO (500 users) Monthly$299.991 Month
BLE Controller
No in-app purchases
Questions
Is Blynk IoT free?
Is BLE Controller free?
Which has better reviews, Blynk IoT or BLE Controller?
Do Blynk IoT or BLE Controller have ads?
Which is updated more often, Blynk IoT or BLE Controller?
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