# CalmaApp vs BowelLog

The clearest difference is in-app purchases: BowelLog at none against CalmaApp's 2. BowelLog also leads on update cadence (every 10 days vs every 2 months). CalmaApp's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CalmaApp sells 2 in-app purchases, starting at $9.99 per month. BowelLog asks for nothing beyond the download.

CalmaApp ships an update every 2 months, BowelLog every 10 days. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CalmaApp | BowelLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bowellog-stool-tracker/id6760383327/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | — | Ad-supported |
| Size | 85 MB | 26 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mohammed Akhlas Hussain](https://appshunter.io/developer/1830814080) | [Blas Prieto](https://appshunter.io/developer/1878084920) |

## What reviewers say

### CalmaApp

[App page](https://appshunter.io/ios/app/calmaapp-migraine-tracker/id6759279925)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calma Pro Monthly | $9.99 | per month |
| Calma Pro Annual | $99.99 | per year |


### BowelLog

[App page](https://appshunter.io/ios/app/bowellog-stool-tracker/id6760383327)

Easily monitor your digestive health by logging stool types using the Bristol Stool Scale and tracking bathroom duration. Gain insights into your gut health with visual charts and patterns. Your data is kept private and stored locally on your device.

**Highlights:** Bristol Stool Scale logging (Types 1-7), Bathroom time tracking, Optional notes for logs, Daily and historical stats, Streak tracking, 7-day frequency chart, 28-day heatmap

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

**In-app purchases:** none


## Frequently asked questions

### Is CalmaApp free?

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

### Is BowelLog free?

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

### Do CalmaApp or BowelLog have ads?

BowelLog shows ads; CalmaApp does not.

### Which is updated more often, CalmaApp or BowelLog?

CalmaApp ships an update every 2 months, and BowelLog every 10 days. Most recently, CalmaApp was updated on October 10, 2026 and BowelLog on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*