# Motion vs CloudLabs Acid

The clearest difference is price: CloudLabs Acid at Free against Motion's $0.99. CloudLabs Acid also leads on device support (3 vs 1) and iOS requirement (9.0 vs 12.0). On update cadence, ads and in-app purchases there is nothing between them.

CloudLabs Acid is free to download; Motion costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Motion ships an update every 34 months, CloudLabs Acid every 28 months. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Motion | CloudLabs Acid |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 28 months** |
| Size | 58 MB | 71 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### Motion

[App page](https://appshunter.io/ios/app/motion-physics/id1139665168)

**Features:** macOS Compatibility

**In-app purchases:** none


### CloudLabs Acid

[App page](https://appshunter.io/ios/app/cloudlabs-acid-base-enthalpy/id1596470901)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Motion free?

Motion costs $0.99, with no in-app purchases.

### Is CloudLabs Acid free?

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

### Do Motion or CloudLabs Acid have ads?

Neither Motion nor CloudLabs Acid shows ads.

### Which is updated more often, Motion or CloudLabs Acid?

Motion ships an update every 34 months, and CloudLabs Acid every 28 months. Most recently, Motion was updated on October 7, 2026 and CloudLabs Acid on September 30, 2026.

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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.*