# Interval Timer vs HYTRAX

The clearest difference is in-app purchases: HYTRAX at none against Interval Timer's 1. HYTRAX also leads on ads (none vs shown) and update cadence (daily vs weekly). On price, device support and iOS requirement there is nothing between them.

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

Interval Timer ships an update weekly, HYTRAX daily. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Interval Timer | HYTRAX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Daily** |
| Size | 69 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Katsunobu Sunagawa](https://appshunter.io/developer/6795139232) | [Toshiki Wakasa](https://appshunter.io/developer/6815271859) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-focus-and-hiit/id6795139230)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer Pro | $1.99 | one-time |


### HYTRAX

[App page](https://appshunter.io/ios/app/hytrax/id6815271856)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

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

### Is HYTRAX free?

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

### Do Interval Timer or HYTRAX have ads?

Interval Timer shows ads; HYTRAX does not.

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

Interval Timer ships an update weekly, and HYTRAX daily. Most recently, Interval Timer was updated on October 31, 2026 and HYTRAX on November 6, 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.*