# Blue Switch vs STm Pedal Control

The clearest difference is in-app purchases: STm Pedal Control at none against Blue Switch's 1. STm Pedal Control also leads on ads (none vs shown) and iOS requirement (13.0 vs 18.0). Blue Switch's advantage is update cadence (every 3 months vs every 9 months). On price and device support there is nothing between them.

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

Blue Switch ships an update every 3 months, STm Pedal Control every 9 months. The most recent releases landed on September 23, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Blue Switch | STm Pedal Control |
| --- | --- | --- |
| 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 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 51 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vitalij Schaefer](https://appshunter.io/developer/393749449) | [Josef Stoppacher](https://appshunter.io/developer/1416730372) |

## 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 |


### STm Pedal Control

[App page](https://appshunter.io/ios/app/stm-pedal-control/id1528131663)

**In-app purchases:** none


## Frequently asked questions

### Is Blue Switch free?

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

### Is STm Pedal Control free?

STm Pedal Control is free to download, with no in-app purchases.

### Do Blue Switch or STm Pedal Control have ads?

Blue Switch shows ads; STm Pedal Control does not.

### Which is updated more often, Blue Switch or STm Pedal Control?

Blue Switch ships an update every 3 months, and STm Pedal Control every 9 months. Most recently, Blue Switch was updated on September 23, 2026 and STm Pedal Control on September 26, 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.*