# Stigma 6 vs ACM Collection

The clearest difference is price: ACM Collection at Free against Stigma 6's $0.99. Stigma 6's advantage is iOS requirement (15.6 vs 17.5). On ads, in-app purchases and device support there is nothing between them.

ACM Collection is free to download; Stigma 6 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Stigma 6 | ACM Collection |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | — |
| Size | 6 MB | 69 MB |
| Requires iOS | **15.6** | 17.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ioannis Gkortsos](https://appshunter.io/developer/945744733) | [Feiyu Chang](https://appshunter.io/developer/1492595678) |

## What reviewers say

### Stigma 6

[App page](https://appshunter.io/ios/app/stigma-6-magic-trick-tricks/id1496837974)

**In-app purchases:** none


### ACM Collection

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stigma 6 free?

Stigma 6 costs $0.99, with no in-app purchases.

### Is ACM Collection free?

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

### Do Stigma 6 or ACM Collection have ads?

Neither Stigma 6 nor ACM Collection shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*