# RedAlert vs SeatBell

The clearest difference is in-app purchases: RedAlert at none against SeatBell's 2. RedAlert also leads on iOS requirement (12.0 vs 18.6). SeatBell's advantage is update cadence (every 5 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. SeatBell sells 2 in-app purchases, starting at $0.99 per month. RedAlert asks for nothing beyond the download.

RedAlert ships an update every 4 weeks, SeatBell every 5 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RedAlert | SeatBell |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Size | 46 MB | 70 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Shahaf Ben Shalom](https://appshunter.io/developer/1710600410) | [Amir Avisar](https://appshunter.io/developer/6801879390) |

## What reviewers say

### RedAlert

[App page](https://appshunter.io/ios/app/redalert/id6468818981)

**Features:** macOS Compatibility

**In-app purchases:** none


### SeatBell

[App page](https://appshunter.io/ios/app/seatbell/id6751863293)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premiun Monthly | $0.99 | per month |
| Premium Annually | $9.99 | per year |


## Frequently asked questions

### Is RedAlert free?

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

### Is SeatBell free?

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

### Do RedAlert or SeatBell have ads?

Neither RedAlert nor SeatBell shows ads.

### Which is updated more often, RedAlert or SeatBell?

RedAlert ships an update every 4 weeks, and SeatBell every 5 days. Most recently, RedAlert was updated on October 25, 2026 and SeatBell on October 24, 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.*