# ACM Collection vs RSVPrediction

The clearest difference is in-app purchases: ACM Collection at none against RSVPrediction's 3. ACM Collection also leads on iOS requirement (17.5 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. RSVPrediction sells 3 in-app purchases, starting at $3.99 per month. ACM Collection asks for nothing beyond the download.

## The numbers

| Metric | ACM Collection | RSVPrediction |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 69 MB | 72 MB |
| Requires iOS | **17.5** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Feiyu Chang](https://appshunter.io/developer/1492595678) | [Vincent Launay](https://appshunter.io/developer/1198218316) |

## What reviewers say

### ACM Collection

[App page](https://appshunter.io/ios/app/acm-collection/id6742438231)

**Features:** macOS Compatibility

**In-app purchases:** none


### RSVPrediction

[App page](https://appshunter.io/ios/app/rsvprediction/id6775197329)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Xtremagic Pass – Monthly | $3.99 | per month |
| Xtremagic Pass – Yearly | $24.99 | per year |
| Full Access (One-Time Purchase) | $7.99 | one-time |


## Frequently asked questions

### Is ACM Collection free?

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

### Is RSVPrediction free?

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

### Do ACM Collection or RSVPrediction have ads?

Neither ACM Collection nor RSVPrediction 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.*