# Interval Flow vs Gout Tracker

The clearest difference is in-app purchases: Gout Tracker at none against Interval Flow's 1. Interval Flow's advantage is update cadence (every 2 weeks vs monthly) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Interval Flow sells 1 one-off in-app purchase. Gout Tracker asks for nothing beyond the download.

Interval Flow ships an update every 2 weeks, Gout Tracker monthly. The most recent releases landed on October 10, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Interval Flow | Gout Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 8 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tegyaan](https://appshunter.io/developer/1711584632) | [NABIL SHARIF](https://appshunter.io/developer/1884755681) |

## What reviewers say

### Interval Flow

[App page](https://appshunter.io/ios/app/interval-flow/id6469113776)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multiple Programs | $3.99 | one-time |


### Gout Tracker

[App page](https://appshunter.io/ios/app/gout-tracker-gt-3000/id6760509289)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Flow free?

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

### Is Gout Tracker free?

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

### Do Interval Flow or Gout Tracker have ads?

Neither Interval Flow nor Gout Tracker shows ads.

### Which is updated more often, Interval Flow or Gout Tracker?

Interval Flow ships an update every 2 weeks, and Gout Tracker monthly. Most recently, Interval Flow was updated on October 10, 2026 and Gout Tracker on September 29, 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.*