# StopRewind vs AC Matrix

StopRewind and AC Matrix are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. StopRewind sells 1 in-app purchase, starting at $4.99 per year and AC Matrix sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | StopRewind | AC Matrix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 3 MB | 261 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gianluigi Strazzo](https://appshunter.io/developer/6795028522) | [Feiyu Chang](https://appshunter.io/developer/1492595678) |

## What reviewers say

### StopRewind

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

**In-app purchases (1)**

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


### AC Matrix

[App page](https://appshunter.io/ios/app/ac-matrix/id6802479628)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AC Matrix Pro | $4.99 | one-time |


## Frequently asked questions

### Is StopRewind free?

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

### Is AC Matrix free?

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

### Do StopRewind or AC Matrix have ads?

Neither StopRewind nor AC Matrix 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.*