# AC vs StopRewind

The clearest difference is in-app purchases: AC at none against StopRewind's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. StopRewind sells 1 in-app purchase, starting at $4.99 per year. AC asks for nothing beyond the download.

## The numbers

| Metric | AC | StopRewind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 73 MB | 3 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Feiyu Chang](https://appshunter.io/developer/1492595678) | [Gianluigi Strazzo](https://appshunter.io/developer/6795028522) |

## What reviewers say

### AC

[App page](https://appshunter.io/ios/app/ac-calculator/id6760001106)

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

**In-app purchases:** none


### StopRewind

[App page](https://appshunter.io/ios/app/stoprewind/id6801836633)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stop: Rewind | $4.99 | per year |


## Frequently asked questions

### Is AC free?

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

### Is StopRewind free?

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

### Do AC or StopRewind have ads?

Neither AC nor StopRewind shows ads.

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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.*