# Blue Switch vs BT

The clearest difference is rating: Blue Switch at 3.8 against BT's 1.0. Blue Switch also leads on ratings volume (43 vs 1) and review sentiment (17% vs 0%). BT'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. BT 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: 17% of Blue Switch's written reviews are positive against 0% of BT's.

Blue Switch ships an update every 3 months, BT every 5 months. The most recent releases landed on September 23, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Blue Switch | BT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (43 ratings)](https://appshunter.io/ios/app/blue-switch/id828280876/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/bt-switch/id983916137/reviews) |
| Number of ratings | **43** | 1 |
| Positive reviews | **16.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 9 MB |
| Requires iOS | 18.0 | **8.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vitalij Schaefer](https://appshunter.io/developer/393749449) | [Electromen Oy](https://appshunter.io/developer/827292861) |

## 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 |


### BT

[App page](https://appshunter.io/ios/app/bt-switch/id983916137)

Control Bluetooth-enabled LED dimmers and switches directly from your smartphone. Adjust lighting settings with ease using this utility application.

**Highlights:** Control Bluetooth LED dimmers, Control Bluetooth switches, Adjust lighting settings, Smartphone utility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blue Switch free?

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

### Is BT free?

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

### Which has better reviews, Blue Switch or BT?

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

### Do Blue Switch or BT have ads?

Blue Switch shows ads; BT does not.

### Which is updated more often, Blue Switch or BT?

Blue Switch ships an update every 3 months, and BT every 5 months. Most recently, Blue Switch was updated on September 23, 2026 and BT on October 8, 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.*