# Human Flatus Atlas vs AMILI Optimise

The clearest difference is device support: Human Flatus Atlas at 3 against AMILI Optimise's 1. Human Flatus Atlas also leads on iOS requirement (12.0 vs 16.4). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Human Flatus Atlas | AMILI Optimise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/human-flatus-atlas/id6747908317/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 75 MB | 157 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Andrew Brantley Hall](https://appshunter.io/developer/1701442712) | [AMILI Pte Ltd](https://appshunter.io/developer/1866540696) |

## What reviewers say

### Human Flatus Atlas

[App page](https://appshunter.io/ios/app/human-flatus-atlas/id6747908317)

This application allows users to track their meals by taking photos and connect to a device that measures flatus. It helps identify food types that contribute to high microbiome activity based on flatus measurements.

**Highlights:** Meal tracking via photo, Flatus measurement device integration, Microbiome activity monitoring, Food impact analysis, Personalized health insights

**Features:** macOS Compatibility

**In-app purchases:** none


### AMILI Optimise

[App page](https://appshunter.io/ios/app/amili-optimise/id6757909310)

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

**In-app purchases:** none


## Frequently asked questions

### Is Human Flatus Atlas free?

Human Flatus Atlas is free to download, with no in-app purchases.

### Is AMILI Optimise free?

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

### Do Human Flatus Atlas or AMILI Optimise have ads?

Neither Human Flatus Atlas nor AMILI Optimise shows ads.

### Which is updated more often, Human Flatus Atlas or AMILI Optimise?

Human Flatus Atlas ships an update weekly, and AMILI Optimise weekly. Most recently, Human Flatus Atlas was updated on October 30, 2026 and AMILI Optimise on October 31, 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.*