# Glow vs BellySignal

The clearest difference is in-app purchases: BellySignal at none against Glow's 2. BellySignal also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Glow sells 2 one-off in-app purchases. BellySignal asks for nothing beyond the download.

Glow ships an update weekly, BellySignal every 8 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Glow | BellySignal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bellysignal-poop-tracker/id6782556587/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | — | Free |
| Size | 3 MB | 66 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Adrian Espinoza Leon](https://appshunter.io/developer/1867088731) | [Jeonghyeon Yu](https://appshunter.io/developer/1849102440) |

## What reviewers say

### Glow

[App page](https://appshunter.io/ios/app/glow-mood-tracker/id6770174686)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $0.99 | one-time |
| Glow Pro | $4.99 | one-time |


### BellySignal

[App page](https://appshunter.io/ios/app/bellysignal-poop-tracker/id6782556587)

This app helps you track your digestive health by logging stool type, urine color, water intake, and food habits. Review trends, export summaries, and identify potential patterns related to your diet and lifestyle. It's a personal tool to help you understand your body better.

**Highlights:** Log Bristol stool types, Track urine color and water intake, Record food and habit details, Note symptoms like pain and bloating, Review digestive trends, Export 90-day PDF summaries, Local data storage

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Glow free?

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

### Is BellySignal free?

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

### Do Glow or BellySignal have ads?

Neither Glow nor BellySignal shows ads.

### Which is updated more often, Glow or BellySignal?

Glow ships an update weekly, and BellySignal every 8 days. Most recently, Glow was updated on November 5, 2026 and BellySignal on November 5, 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.*