# TruTimer vs Caynax HIIT Interval Timer

The clearest difference is iOS requirement: TruTimer at 16.4 against Caynax HIIT Interval Timer's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TruTimer sells 1 one-off in-app purchase and Caynax HIIT Interval Timer sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | TruTimer | Caynax HIIT Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | — |
| Size | 50 MB | 18 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trulsson Ingrup AB](https://appshunter.io/developer/6797449574) | [Jakub Flisinski](https://appshunter.io/developer/1454510462) |

## What reviewers say

### TruTimer

[App page](https://appshunter.io/ios/app/trutimer-workout-timer/id6797449572)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TruTimer Pro | $4.99 | one-time |


### Caynax HIIT Interval Timer

[App page](https://appshunter.io/ios/app/caynax-hiit-interval-timer/id6804624155)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ads | $5.99 | one-time |
| PRO version | $9.99 | one-time |


## Frequently asked questions

### Is TruTimer free?

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

### Is Caynax HIIT Interval Timer free?

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

### Do TruTimer or Caynax HIIT Interval Timer have ads?

Both TruTimer and Caynax HIIT Interval Timer show 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.*