# SympTrack AI vs Belly Flow

The clearest difference is in-app purchases: Belly Flow at none against SympTrack AI's 2. SympTrack AI's advantage is update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SympTrack AI sells 2 in-app purchases, starting at $2.99 per month. Belly Flow asks for nothing beyond the download.

SympTrack AI ships an update weekly, Belly Flow every 3 weeks. The most recent releases landed on June 5, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | SympTrack AI | Belly Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/symptrack-ai/id6748820634/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 137 MB | 23 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Noah Erdahl](https://appshunter.io/developer/1827459561) | [Gabriella Broberg](https://appshunter.io/developer/1833119841) |

## What reviewers say

### SympTrack AI

[App page](https://appshunter.io/ios/app/symptrack-ai/id6748820634)

This app allows users to privately log and monitor medication side effects. It uses AI to detect patterns and trends in your symptoms over time, helping you understand how medications are affecting you. Designed for ease of use, it offers smart reminders and organized logs.

**Highlights:** Anonymous symptom logging, AI-powered trend detection, Smart daily reminders, Auto-sorted symptom logs, Clean and fast interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SympTrack AI Premium | $2.99 | per month |
| SympTrack AI Premium | $29.99 | per year |


### Belly Flow

[App page](https://appshunter.io/ios/app/belly-flow/id6751012592)

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

**In-app purchases:** none


## Frequently asked questions

### Is SympTrack AI free?

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

### Is Belly Flow free?

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

### Do SympTrack AI or Belly Flow have ads?

Neither SympTrack AI nor Belly Flow shows ads.

### Which is updated more often, SympTrack AI or Belly Flow?

SympTrack AI ships an update weekly, and Belly Flow every 3 weeks. Most recently, SympTrack AI was updated on June 5, 2026 and Belly Flow on September 8, 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.*