# Trajectory vs BowelLog

The clearest difference is device support: BowelLog at 2 against Trajectory's —. BowelLog also leads on iOS requirement (15.1 vs 18.5). On price 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.

## The numbers

| Metric | Trajectory | 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 | No | No |
| Ads | — | Yes |
| Update frequency | — | Every 10 days |
| Monetization | — | Ad-supported |
| Size | 2 MB | 26 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Mathieu Bonte](https://appshunter.io/developer/1876251649) | [Blas Prieto](https://appshunter.io/developer/1878084920) |

## What reviewers say

### Trajectory

[App page](https://appshunter.io/ios/app/trajectory-weight-tracker/id6759000055)

**In-app purchases:** none


### 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 Trajectory free?

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

### Is BowelLog free?

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

---

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