# Blue Switch vs BLE Key App

The clearest difference is in-app purchases: BLE Key App at none against Blue Switch's 1. BLE Key App also leads on ads (none vs shown) and iOS requirement (13.0 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. BLE Key App asks for nothing beyond the download.

Blue Switch ships an update every 3 months, BLE Key App every 6 weeks. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Blue Switch | BLE Key App |
| --- | --- | --- |
| 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 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 42 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vitalij Schaefer](https://appshunter.io/developer/393749449) | [Gianni Industries Inc.](https://appshunter.io/developer/1348151436) |

## 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 |


### BLE Key App

[App page](https://appshunter.io/ios/app/ble-key-app/id6511214397)

**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 BLE Key App free?

BLE Key App is free to download, with no in-app purchases.

### Do Blue Switch or BLE Key App have ads?

Blue Switch shows ads; BLE Key App does not.

### Which is updated more often, Blue Switch or BLE Key App?

Blue Switch ships an update every 3 months, and BLE Key App every 6 weeks. Most recently, Blue Switch was updated on September 23, 2026 and BLE Key App on September 18, 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.*