# biotys vs Baul

The clearest difference is in-app purchases: biotys at none against Baul's 7. biotys also leads on iOS requirement (13.0 vs 17.2). Baul's advantage is update cadence (weekly vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Baul sells 7 in-app purchases, starting at $0.99 per month. biotys asks for nothing beyond the download.

biotys ships an update every 5 months, Baul weekly. The most recent releases landed on September 12, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | biotys | Baul |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/baul-bowel-movement-tracker/id6504430258/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | — | Subscription |
| Size | 12 MB | 13 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Amir Aiouaz](https://appshunter.io/developer/1462038680) | [FFWD Ventures](https://appshunter.io/developer/1752072041) |

## What reviewers say

### biotys

[App page](https://appshunter.io/ios/app/biotys/id6443545029)

**Features:** macOS Compatibility

**In-app purchases:** none


### Baul

[App page](https://appshunter.io/ios/app/baul-bowel-movement-tracker/id6504430258)

This app helps you track and analyze your bowel movements to understand your body better. It offers easy logging, detailed statistics, and optional location tracking, with all data kept securely on your device. Enhance your health awareness and detect changes early with this discreet and user-friendly tool.

**Highlights:** Easy bowel movement logging, Detailed statistics and pattern analysis, Optional location tracking for correlations, Privacy-first, on-device data storage, Data export to JSON, Enhances health awareness

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Monthly Plan | $1.99 | per month |
| Monthly Plan | $2.99 | per month |
| Yearly Plan | $8.99 | per year |
| Yearly Plan | $14.90 | per year |
| Yearly Plan | $17.99 | per year |
| Yearly Plan | $22.99 | per year |


## Frequently asked questions

### Is biotys free?

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

### Is Baul free?

Baul is free to download, with in-app purchases available.

### Do biotys or Baul have ads?

Neither biotys nor Baul shows ads.

### Which is updated more often, biotys or Baul?

biotys ships an update every 5 months, and Baul weekly. Most recently, biotys was updated on September 12, 2026 and Baul on June 2, 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.*