# Blue Switch vs SINCON BLUE

The clearest difference is in-app purchases: SINCON BLUE at none against Blue Switch's 1. SINCON BLUE also leads on ads (none vs shown) and iOS requirement (11.0 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. SINCON BLUE asks for nothing beyond the download.

Blue Switch ships an update every 3 months, SINCON BLUE every 2 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Blue Switch | SINCON BLUE |
| --- | --- | --- |
| 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 | 9 MB |
| Requires iOS | 18.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vitalij Schaefer](https://appshunter.io/developer/393749449) | [国强 张](https://appshunter.io/developer/1151273698) |

## 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 |


### SINCON BLUE

[App page](https://appshunter.io/ios/app/sincon-blue-one/id1454342954)

**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 SINCON BLUE free?

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

### Do Blue Switch or SINCON BLUE have ads?

Blue Switch shows ads; SINCON BLUE does not.

### Which is updated more often, Blue Switch or SINCON BLUE?

Blue Switch ships an update every 3 months, and SINCON BLUE every 2 months. Most recently, Blue Switch was updated on October 10, 2026 and SINCON BLUE on October 7, 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.*