# IntervalForge vs Kind Timer

The clearest difference is in-app purchases: Kind Timer at none against IntervalForge's 1. Kind Timer also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. IntervalForge sells 1 one-off in-app purchase. Kind Timer asks for nothing beyond the download.

## The numbers

| Metric | IntervalForge | Kind Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 2 MB | 34 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shuto Nishiyama](https://appshunter.io/developer/1879174354) | [MINSUK SONG](https://appshunter.io/developer/6792583326) |

## What reviewers say

### IntervalForge

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

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

**In-app purchases (1)**

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


### Kind Timer

[App page](https://appshunter.io/ios/app/kind-timer-interval-timer/id6829487679)

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

**In-app purchases:** none


## Frequently asked questions

### Is IntervalForge free?

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

### Is Kind Timer free?

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

### Do IntervalForge or Kind Timer have ads?

Neither IntervalForge nor Kind Timer 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.*