# Hold Still! vs Quantum

The clearest difference is ads: Quantum at none against Hold Still!'s shown. Quantum also leads on iOS requirement (17.6 vs 26.0). On price, 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.

## The numbers

| Metric | Hold Still! | Quantum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 4 days |
| Size | 17 MB | 1 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Orlando Rodrigues](https://appshunter.io/developer/1867096538) | [Celal Can Sagnak](https://appshunter.io/developer/1865753496) |

## What reviewers say

### Hold Still!

[App page](https://appshunter.io/ios/app/hold-still-steady-test/id6757989814)

**In-app purchases:** none


### Quantum

[App page](https://appshunter.io/ios/app/quantum-cat/id6759192936)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hold Still! free?

Hold Still! is free to download, with no in-app purchases.

### Is Quantum free?

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

### Do Hold Still! or Quantum have ads?

Hold Still! shows ads; Quantum does not.

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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.*