# Gainflow vs Interval Timer

The clearest difference is ads: Gainflow at none against Interval Timer's shown. Gainflow also leads on update cadence (every 2 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Gainflow sells 1 in-app purchase, starting at $2.99 per month and Interval Timer sells 1 in-app purchase, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Gainflow ships an update every 2 weeks, Interval Timer every 3 months. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Gainflow | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/gainflow-gym-and-run-tracker/id6745449900/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 89 MB | 6 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dawid Zareba](https://appshunter.io/developer/1812293298) | [Rajendran Sajith Sajindran](https://appshunter.io/developer/1769186344) |

## What reviewers say

### Gainflow

[App page](https://appshunter.io/ios/app/gainflow-gym-and-run-tracker/id6745449900)

This app helps you log gym workouts, track body analytics, and analyze your lifting form with AI. It offers unlimited routine creation and a large exercise database for free.

**Highlights:** Unlimited workout logging, AI video form analysis, Body analytics tracking, Customizable exercise database, Rest timer with audio alerts, Community features

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gainflow Plus | $2.99 | per month |


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-tabata-hiit/id6755467400)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer - Pro | $5.99 | per month |


## Frequently asked questions

### Is Gainflow free?

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

### Is Interval Timer free?

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

### Do Gainflow or Interval Timer have ads?

Interval Timer shows ads; Gainflow does not.

### Which is updated more often, Gainflow or Interval Timer?

Gainflow ships an update every 2 weeks, and Interval Timer every 3 months. Most recently, Gainflow was updated on September 21, 2026 and Interval Timer on September 22, 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.*