# RhythmFit Timer vs HIIT Timer

The clearest difference is update cadence: RhythmFit Timer at weekly against HIIT Timer's every 15 months. HIIT Timer's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RhythmFit Timer ships an update weekly, HIIT Timer every 15 months. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | RhythmFit Timer | HIIT Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 15 months |
| Size | 2 MB | 54 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Jian Kai Wang](https://appshunter.io/developer/1809893436) | [PO CHUN LIU](https://appshunter.io/developer/1828860780) |

## What reviewers say

### RhythmFit Timer

[App page](https://appshunter.io/ios/app/rhythmfit-timer/id6744947444)

**Features:** macOS Compatibility

**In-app purchases:** none


### HIIT Timer

[App page](https://appshunter.io/ios/app/hiit-timer-tabata-and-intervals/id6749133445)

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

**In-app purchases:** none


## Frequently asked questions

### Is RhythmFit Timer free?

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

### Is HIIT Timer free?

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

### Do RhythmFit Timer or HIIT Timer have ads?

Neither RhythmFit Timer nor HIIT Timer shows ads.

### Which is updated more often, RhythmFit Timer or HIIT Timer?

RhythmFit Timer ships an update weekly, and HIIT Timer every 15 months. Most recently, RhythmFit Timer was updated on October 25, 2026 and HIIT Timer on November 5, 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.*