# Blue Switch vs TSIR Bluetooth

The clearest difference is review sentiment: TSIR Bluetooth at 100% against Blue Switch's 17%. TSIR Bluetooth also leads on rating (4.5 vs 3.8) and in-app purchases (none vs 1). Blue Switch's advantage is update cadence (every 3 months vs every 38 months) and ratings volume (43 vs 2). On price and device support there is nothing between them.

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

TSIR Bluetooth holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: Blue Switch has 43 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 17% of Blue Switch's written reviews are positive against 100% of TSIR Bluetooth's.

Blue Switch ships an update every 3 months, TSIR Bluetooth every 38 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Blue Switch | TSIR Bluetooth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (43 ratings)](https://appshunter.io/ios/app/blue-switch/id828280876/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/tsir-bluetooth/id897941036/reviews)** |
| Number of ratings | **43** | 2 |
| Positive reviews | 16.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 38 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 3 MB |
| Requires iOS | 18.0 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vitalij Schaefer](https://appshunter.io/developer/393749449) | [飞 吴](https://appshunter.io/developer/645447334) |

## What reviewers say

### 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 |


### TSIR Bluetooth

[App page](https://appshunter.io/ios/app/tsir-bluetooth/id897941036)

Control a Bluetooth relay board with optically isolated inputs and an OLED display via your computer or smartphone. This powerful and user-friendly application manages four volt-free contact relay outputs, each capable of handling up to 10 Amps.

**Highlights:** Bluetooth relay board control, Optically isolated inputs, OLED display integration, Temperature sensor port, Four 10A relay outputs, Computer and smartphone control

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

**In-app purchases:** none


## Frequently asked questions

### Is Blue Switch free?

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

### Is TSIR Bluetooth free?

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

### Which has better reviews, Blue Switch or TSIR Bluetooth?

TSIR Bluetooth is rated higher. Blue Switch averages 3.8 out of 5 from 43 ratings, while TSIR Bluetooth averages 4.5 from 2 ratings.

### Do Blue Switch or TSIR Bluetooth have ads?

Blue Switch shows ads; TSIR Bluetooth does not.

### Which is updated more often, Blue Switch or TSIR Bluetooth?

Blue Switch ships an update every 3 months, and TSIR Bluetooth every 38 months. Most recently, Blue Switch was updated on November 6, 2026 and TSIR Bluetooth on November 1, 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.*