# ArduinoBlue vs Blynk IoT

ArduinoBlue and Blynk IoT both sit at 4.5 stars, but that hides the real split: 90% of ArduinoBlue's written reviews are positive against 42% of Blynk IoT's. ArduinoBlue also leads on in-app purchases (none vs 7) and device support (3 vs 1). Blynk IoT's advantage is update cadence (monthly vs every 9 months) and ratings volume (823 vs 19). On price, rating and ads there is nothing between them.

Both are free to download. Blynk IoT sells 7 in-app purchases, starting at $6.99 per month. ArduinoBlue asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for ArduinoBlue against 4.5 for Blynk IoT. That said, the two scores are not equally well evidenced: Blynk IoT has 823 ratings behind it against 19, so its average is the more settled of the two. Written reviews are what separate them: 90% of ArduinoBlue's written reviews are positive against 42% of Blynk IoT's.

ArduinoBlue ships an update every 9 months, Blynk IoT monthly. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ArduinoBlue | Blynk IoT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (19 ratings)](https://appshunter.io/ios/app/arduinoblue/id1340487989/reviews) | [4.5 (823 ratings)](https://appshunter.io/ios/app/blynk-iot/id1559317868/reviews) |
| Number of ratings | 19 | **823** |
| Positive reviews | **90.0% of reviews** | 42.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 86 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mechanismic Inc.](https://appshunter.io/developer/1065657087) | [Blynk Technologies](https://appshunter.io/developer/808760484) |

## What reviewers say

### ArduinoBlue

[App page](https://appshunter.io/ios/app/arduinoblue/id1340487989)

Control Arduino-powered devices wirelessly via Bluetooth. Customize interfaces with sliders, buttons, and a joystick for seamless interaction with motors, servos, and sensors. Supports iOS devices with BLE modules.

**Highlights:** Bluetooth control for Arduino, Customizable sliders and buttons, Joystick control, Tilt control, Send and receive text strings, Easy-to-use Arduino library

**Features:** macOS Compatibility

**In-app purchases:** none


### Blynk IoT

[App page](https://appshunter.io/ios/app/blynk-iot/id1559317868)

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.

**Highlights:** 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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blynk MAKER - Monthly | $6.99 | per month |
| Blynk Starter - Monthly | $29.00 | per month |
| Blynk PRO (40 users) Monthly | $48.99 | per month |
| Blynk MAKER - Yearly | $59.99 | per year |
| Blynk PRO (100 users) Monthly | $98.99 | per month |
| Blynk PRO (50 users) Monthly | $99.00 | per month |
| Blynk PRO (500 users) Monthly | $299.99 | per month |

**What reviewers like**

- 🚀 Easy to use
- 🚀 Powerful IoT platform
- 🚀 Efficient for rapid prototyping
- 👍 Great for hobbyists and businesses
- 👍 Stable and reliable

**What reviewers complain about**

- 💰 Expensive subscription model
- 🐛 Unstable, crashes frequently
- 🤔 Confusing for beginners
- 🤔 Lacks flexibility compared to legacy version
- 🤔 Limited free features

**Reported bugs**

- Connectivity issues with devices
- Widgets not working as expected
- Account deletion without warning
- Incompatibility with older hardware

**Requested features**

- Dark mode option
- Bluetooth support
- Better documentation and tutorials
- Restore legacy app functionality
- Affordable pricing for hobbyists


## Frequently asked questions

### Is ArduinoBlue free?

ArduinoBlue is free to download, with no in-app purchases.

### Is Blynk IoT free?

Blynk IoT is free to download, with in-app purchases available.

### Which has better reviews, ArduinoBlue or Blynk IoT?

ArduinoBlue and Blynk IoT are both rated 4.5 out of 5 on the App Store, from 19 and 823 ratings respectively.

### Do ArduinoBlue or Blynk IoT have ads?

Neither ArduinoBlue nor Blynk IoT shows ads.

### Which is updated more often, ArduinoBlue or Blynk IoT?

ArduinoBlue ships an update every 9 months, and Blynk IoT monthly. Most recently, ArduinoBlue was updated on October 1, 2026 and Blynk IoT on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*