# S7 Link vs Blue Switch

The clearest difference is price: Blue Switch at Free against S7 Link's $14.99. Blue Switch also leads on iOS requirement (18.0 vs 26.0). S7 Link's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

Blue Switch is free to download; S7 Link costs $14.99 up front. S7 Link sells 3 one-off in-app purchases and Blue Switch sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

S7 Link ships an update every 4 months, Blue Switch every 3 months. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | S7 Link | Blue Switch |
| --- | --- | --- |
| Price | $14.99 | **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 | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 39 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Carlo Trotti](https://appshunter.io/developer/594070838) | [Vitalij Schaefer](https://appshunter.io/developer/393749449) |

## What reviewers say

### S7 Link

[App page](https://appshunter.io/ios/app/s7-link/id594070835)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alarms | $2.99 | one-time |
| Charts | $2.99 | one-time |
| OPC Client | $4.99 | one-time |


### 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 |


## Frequently asked questions

### Is S7 Link free?

S7 Link costs $14.99, and also offers in-app purchases.

### Is Blue Switch free?

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

### Do S7 Link or Blue Switch have ads?

Blue Switch shows ads; S7 Link does not.

### Which is updated more often, S7 Link or Blue Switch?

S7 Link ships an update every 4 months, and Blue Switch every 3 months. Most recently, S7 Link was updated on November 10, 2026 and Blue Switch on November 6, 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.*