# HIIT Timer vs Custom Interval Workout Timer

The clearest difference is in-app purchases: HIIT Timer at none against Custom Interval Workout Timer's 2. HIIT Timer also leads on iOS requirement (13.4 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Custom Interval Workout Timer sells 2 in-app purchases, starting at $1.99 per month. HIIT Timer asks for nothing beyond the download.

HIIT Timer ships an update every 6 weeks, Custom Interval Workout Timer every 3 weeks. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | HIIT Timer | Custom Interval Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (42 ratings)](https://appshunter.io/ios/app/hiit-timer-training-timer/id1512459496/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 28 MB | 7 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Marc Prez Calmet](https://appshunter.io/developer/1481950395) | [Michael McGill apps llc](https://appshunter.io/developer/1874084552) |

## What reviewers say

### HIIT Timer

[App page](https://appshunter.io/ios/app/hiit-timer-training-timer/id1512459496)

This app provides a versatile timer for various high-intensity interval training routines like HIIT, EMOM, and Tabata. It allows users to create custom workouts, track progress, and offers multiple training modes with an intuitive interface.

**Highlights:** Customizable interval timers, Support for HIIT, EMOM, Tabata, AMRAP, Progress tracking for workouts, Multiple training modes, Intuitive and easy-to-use interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Custom Interval Workout Timer

[App page](https://appshunter.io/ios/app/custom-interval-workout-timer/id6759209042)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is HIIT Timer free?

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

### Is Custom Interval Workout Timer free?

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

### Do HIIT Timer or Custom Interval Workout Timer have ads?

Both HIIT Timer and Custom Interval Workout Timer show ads.

### Which is updated more often, HIIT Timer or Custom Interval Workout Timer?

HIIT Timer ships an update every 6 weeks, and Custom Interval Workout Timer every 3 weeks. Most recently, HIIT Timer was updated on September 9, 2026 and Custom Interval Workout Timer on September 10, 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.*