# Human Digestive System vs CloudLabs Acetic Acid Synth

The clearest difference is price: CloudLabs Acetic Acid Synth at Free against Human Digestive System's $0.99. CloudLabs Acetic Acid Synth 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 Acetic Acid Synth is free to download; Human Digestive System costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Human Digestive System ships an update every 18 months, CloudLabs Acetic Acid Synth every 28 months. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Human Digestive System | CloudLabs Acetic Acid Synth |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 18 months** | Every 28 months |
| Size | 401 MB | 82 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

### Human Digestive System

[App page](https://appshunter.io/ios/app/human-digestive-system/id983535092)

**Features:** macOS Compatibility

**In-app purchases:** none


### CloudLabs Acetic Acid Synth

[App page](https://appshunter.io/ios/app/cloudlabs-acetic-acid-synth/id1596516053)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Human Digestive System free?

Human Digestive System costs $0.99, with no in-app purchases.

### Is CloudLabs Acetic Acid Synth free?

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

### Do Human Digestive System or CloudLabs Acetic Acid Synth have ads?

Neither Human Digestive System nor CloudLabs Acetic Acid Synth shows ads.

### Which is updated more often, Human Digestive System or CloudLabs Acetic Acid Synth?

Human Digestive System ships an update every 18 months, and CloudLabs Acetic Acid Synth every 28 months. Most recently, Human Digestive System was updated on October 18, 2026 and CloudLabs Acetic Acid Synth on October 9, 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.*