# Play BLUno vs Blue Switch

The clearest difference is rating: Blue Switch at 3.8 against Play BLUno's 1.0. Blue Switch also leads on ratings volume (43 vs 1) and review sentiment (17% vs 0%). Play BLUno's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Blue Switch sells 1 one-off in-app purchase. Play BLUno asks for nothing beyond the download.

Blue Switch holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: Blue Switch has 43 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Play BLUno's written reviews are positive against 17% of Blue Switch's.

Play BLUno ships an update every 2 months, Blue Switch every 3 months. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Play BLUno | Blue Switch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/play-bluno/id737793451/reviews) | **[3.8 (43 ratings)](https://appshunter.io/ios/app/blue-switch/id828280876/reviews)** |
| Number of ratings | 1 | **43** |
| Positive reviews | 0.0% of reviews | **16.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 39 MB |
| Requires iOS | **7.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Zhiwei Robotics Co Ltd](https://appshunter.io/developer/643548685) | [Vitalij Schaefer](https://appshunter.io/developer/393749449) |

## What reviewers say

### Play BLUno

[App page](https://appshunter.io/ios/app/play-bluno/id737793451)

This app facilitates demonstrations and tests with a Bluno controller board using Bluetooth Low Energy. It allows users to easily control and interact with various functions of Arduino-based BLE hardware directly from their phone, offering a new way to learn and play with electronics.

**Highlights:** BLE communication with Bluno controller, Control electronic devices, Display real-time sensor data, Open Source Hardware based, DIY and prototyping tool, Educational for electronics

**Features:** macOS Compatibility

**In-app purchases:** none


### Blue Switch

[App page](https://appshunter.io/ios/app/blue-switch/id828280876)

Control 2, 4, or 8 channel Bluetooth BLE relay modules from your iPhone or iPad. Assign custom names to modules and individual relays for easy identification and management. Enhance security by changing the default password.

**Highlights:** Control 2, 4, or 8 channel relay modules, Bluetooth BLE connectivity, Assign custom module aliases, Assign custom relay aliases, Change default password for security, Connect to multiple modules

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $17.99 | one-time |


## Frequently asked questions

### Is Play BLUno free?

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

### Is Blue Switch free?

Blue Switch is free to download, with in-app purchases available.

### Which has better reviews, Play BLUno or Blue Switch?

Blue Switch is rated higher. Play BLUno averages 1.0 out of 5 from 1 ratings, while Blue Switch averages 3.8 from 43 ratings.

### Do Play BLUno or Blue Switch have ads?

Blue Switch shows ads; Play BLUno does not.

### Which is updated more often, Play BLUno or Blue Switch?

Play BLUno ships an update every 2 months, and Blue Switch every 3 months. Most recently, Play BLUno was updated on October 5, 2026 and Blue Switch on October 10, 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.*