# Blue Switch vs 简蓝牙

The clearest difference is in-app purchases: 简蓝牙 at none against Blue Switch's 1. 简蓝牙 also leads on ads (none vs shown) and iOS requirement (12.0 vs 18.0). 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. 简蓝牙 asks for nothing beyond the download.

Blue Switch ships an update every 3 months, 简蓝牙 every 2 months. The most recent releases landed on October 23, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Blue Switch | 简蓝牙 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (43 ratings)](https://appshunter.io/ios/app/blue-switch/id828280876/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 8 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vitalij Schaefer](https://appshunter.io/developer/393749449) | [浩哲 黄](https://appshunter.io/developer/1522992591) |

## 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 |


### 简蓝牙

[App page](https://appshunter.io/ios/app/id1522994109)

**Features:** 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 简蓝牙 free?

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

### Do Blue Switch or 简蓝牙 have ads?

Blue Switch shows ads; 简蓝牙 does not.

### Which is updated more often, Blue Switch or 简蓝牙?

Blue Switch ships an update every 3 months, and 简蓝牙 every 2 months. Most recently, Blue Switch was updated on October 23, 2026 and 简蓝牙 on October 11, 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.*