# OnTrack Interval Timer vs IntervalForge

The clearest difference is iOS requirement: OnTrack Interval Timer at 16.2 against IntervalForge's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OnTrack Interval Timer sells 1 one-off in-app purchase and IntervalForge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | OnTrack Interval Timer | IntervalForge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 2 MB | 2 MB |
| Requires iOS | **16.2** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jekal Ik](https://appshunter.io/developer/1860824839) | [Shuto Nishiyama](https://appshunter.io/developer/1879174354) |

## What reviewers say

### OnTrack Interval Timer

[App page](https://appshunter.io/ios/app/ontrack-interval-timer/id6757700812)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Background Mode | $2.99 | one-time |


### IntervalForge

[App page](https://appshunter.io/ios/app/intervalforge-hiit-and-tabata/id6759606731)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IntervalForge Pro | $2.99 | one-time |


## Frequently asked questions

### Is OnTrack Interval Timer free?

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

### Is IntervalForge free?

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

### Do OnTrack Interval Timer or IntervalForge have ads?

Neither OnTrack Interval Timer nor IntervalForge shows ads.

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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.*