# Cariot vs SS21

The clearest difference is update cadence: Cariot at every 2 weeks against SS21's every 26 months. SS21's advantage is iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Cariot ships an update every 2 weeks, SS21 every 26 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cariot | SS21 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 26 months |
| Size | 74 MB | 11 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [株式会社キャリオット](https://appshunter.io/developer/1773238118) | [株式会社西出自動車工作所](https://appshunter.io/developer/1613265266) |

## What reviewers say

### Cariot

[App page](https://appshunter.io/ios/app/cariot/id1471081467)

**In-app purchases:** none


### SS21

[App page](https://appshunter.io/ios/app/ss21-report/id1613265264)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cariot free?

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

### Is SS21 free?

SS21 is free to download, with no in-app purchases.

### Do Cariot or SS21 have ads?

Neither Cariot nor SS21 shows ads.

### Which is updated more often, Cariot or SS21?

Cariot ships an update every 2 weeks, and SS21 every 26 months. Most recently, Cariot was updated on October 26, 2026 and SS21 on October 25, 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.*