# Bristol Stool Chart vs Step 10 AI

The clearest difference is update cadence: Step 10 AI at every 5 days against Bristol Stool Chart's every 2 months. Bristol Stool Chart's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, 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.

Bristol Stool Chart ships an update every 2 months, Step 10 AI every 5 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Bristol Stool Chart | Step 10 AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (10 ratings)](https://appshunter.io/ios/app/bristol-stool-chart/id1085553424/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 29 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Web Garden Limited](https://appshunter.io/developer/466239626) | [NEIL ANTHONY THORMAN](https://appshunter.io/developer/6797865386) |

## What reviewers say

### Bristol Stool Chart

[App page](https://appshunter.io/ios/app/bristol-stool-chart/id1085553424)

Monitor your digestive health with this tool that helps you rate and record stool quality over time. Visualize your progress with easy-to-interpret graphs and access information about different stool types. Optionally track blood in your stools and share data with your healthcare provider.

**Highlights:** High-resolution images of stool types, Quick stool quality rating, Record stool information over time, Optional notes and blood tracking, Interpretable stool quality graph, Information on stool types

**Features:** macOS Compatibility

**In-app purchases:** none


### Step 10 AI

[App page](https://appshunter.io/ios/app/step-10-ai/id6797865384)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bristol Stool Chart free?

Bristol Stool Chart is free to download, with no in-app purchases.

### Is Step 10 AI free?

Step 10 AI is free to download, with no in-app purchases.

### Do Bristol Stool Chart or Step 10 AI have ads?

Neither Bristol Stool Chart nor Step 10 AI shows ads.

### Which is updated more often, Bristol Stool Chart or Step 10 AI?

Bristol Stool Chart ships an update every 2 months, and Step 10 AI every 5 days. Most recently, Bristol Stool Chart was updated on October 26, 2026 and Step 10 AI on October 25, 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.*