# S.Tool — The Scientific Stool Tool

> The Scientific Stool Tool (iPhone/iPad app by Katholieke Universiteit te Leuven.)

- Source: https://appshunter.io/ios/app/stool/id6739492755 (this page in markdown: same URL + `.md`)
- Developer: [Katholieke Universiteit te Leuven](https://appshunter.io/developer/925286039)
- Category: Medical, Health & Fitness
- Price: Free
- Age rating: 12+
- Requires: iOS 15.1 · 66 MB
- Languages: Dutch, English, French
- Released: 2025-03-27
- Data updated: 2026-06-11
- User reviews in markdown: https://appshunter.io/ios/app/stool/id6739492755/reviews.md

## What is S.Tool?

What does S.Tool offer?

・ Record bowel movements, complaints, diet and medication
・ Overview in handy graphs
・ Securely share data with your healthcare providers

Privacy guaranteed – Your data is securely stored according to GDPR guidelines and used exclusively for scientific research.

Please note: S.Tool does not replace medical advice. Always consult your doctor for health problems.


## Version history (last 5 releases)

### 1.2.0 — 2026-05-11

Generally available for anyone with an email address (self-service onboarding).

### 1.1.0 — 2025-11-03

Various bug fixes and performance improvements. Fix for sporadic sign-outs from the app.

### 1.0.5 — 2025-07-29

Improvements to the food selection screens.

### 1.0.4 — 2025-06-11

Various bug fixes and performance improvements

### 1.0.3 — 2025-04-10

Update with minor bugfixes and improvements to the underlying code.

## Apps similar to S.Tool

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Endosono](https://appshunter.io/ios/app/endosono/id6502256685) | — | Free | Medical |
| [OopsieWhoopsie](https://appshunter.io/ios/app/oopsiewhoopsie/id6742183495) | — | $1.99 | Medical |

## More apps by Katholieke Universiteit te Leuven

- [StartnHart](https://appshunter.io/ios/app/startnhart/id859234883)
- [IOTA ADNEX](https://appshunter.io/ios/app/iota-adnex/id925286040)
- [Early Pregnancy](https://appshunter.io/ios/app/early-pregnancy/id990338527)
- [USC KU Leuven](https://appshunter.io/ios/app/usc-ku-leuven/id1290932677)
- [KU Leuven Authenticator](https://appshunter.io/ios/app/ku-leuven-authenticator/id1313409950)
- [m-Path (KU Leuven)](https://appshunter.io/ios/app/m-path-ku-leuven/id1469274164)

All apps by Katholieke Universiteit te Leuven: https://appshunter.io/developer/925286039

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-11.*