# BowelLog vs Prodrome

The clearest difference is in-app purchases: BowelLog at none against Prodrome's 3. BowelLog also leads on iOS requirement (15.1 vs 26.5). Prodrome's advantage is ads (none vs shown) and update cadence (every 4 days vs every 10 days). On price and device support there is nothing between them.

Both are free to download. Prodrome sells 3 in-app purchases, starting at $2.99 per 7 days. BowelLog asks for nothing beyond the download.

BowelLog ships an update every 10 days, Prodrome every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | BowelLog | Prodrome |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 26 MB | 2 MB |
| Requires iOS | **15.1** | 26.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Blas Prieto](https://appshunter.io/developer/1878084920) | [Yasin Halit Karayagiz](https://appshunter.io/developer/1571380517) |

## What reviewers say

### 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


### Prodrome

[App page](https://appshunter.io/ios/app/prodrome-migraine-diary/id6787759249)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is BowelLog free?

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

### Is Prodrome free?

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

### Do BowelLog or Prodrome have ads?

BowelLog shows ads; Prodrome does not.

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

BowelLog ships an update every 10 days, and Prodrome every 4 days. Most recently, BowelLog was updated on October 31, 2026 and Prodrome 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.*