# SIGNAL vs S

The clearest difference is update cadence: SIGNAL at every 3 weeks against S's every 9 months. SIGNAL also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SIGNAL ships an update every 3 weeks, S every 9 months. The most recent releases landed on September 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SIGNAL | S |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Size | 40 MB | 11 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Oseias Henrique Silva](https://appshunter.io/developer/1560920552) | [Reinaldo de Aguiar](https://appshunter.io/developer/1458113408) |

## What reviewers say

### SIGNAL

[App page](https://appshunter.io/ios/app/signal/id1560920550)

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

**In-app purchases:** none


### S

[App page](https://appshunter.io/ios/app/s-driver/id6511245477)

**In-app purchases:** none


## Frequently asked questions

### Is SIGNAL free?

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

### Is S free?

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

### Which is updated more often, SIGNAL or S?

SIGNAL ships an update every 3 weeks, and S every 9 months. Most recently, SIGNAL was updated on September 25, 2026 and S on October 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.*