# HIIT Timer vs GymRest

The clearest difference is review sentiment: HIIT Timer at 100% against GymRest's 0%. HIIT Timer also leads on update cadence (every 3 weeks vs every 22 months). GymRest's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

HIIT Timer ships an update every 3 weeks, GymRest every 22 months. The most recent releases landed on September 20, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | HIIT Timer | GymRest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/gymrest-interval-timer/id1637279351/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 22 months |
| Monetization | Ad-supported | **Free** |
| Size | 89 MB | 46 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [tsyk-app](https://appshunter.io/developer/1586870924) | [Seito Horiguchi](https://appshunter.io/developer/1612679608) |

## What reviewers say

### HIIT Timer

[App page](https://appshunter.io/ios/app/hiit-timer-interval-and-tabata/id1586870922)

This app provides a simple interval timer for various high-intensity training styles like HIIT, Tabata, EMOM, and AMRAP. Track your workouts, maintain streaks, and save custom timer presets for easy access. It's designed for home or gym training and requires no account or subscription.

**Highlights:** HIIT & Tabata timer, EMOM interval training, AMRAP workout mode, Workout calendar tracking, Streak and stats tracking, Customizable presets, Smart workout reminders

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

**In-app purchases:** none


### GymRest

[App page](https://appshunter.io/ios/app/gymrest-interval-timer/id1637279351)

This app provides a streamlined interval timer designed for focused workouts. It features simple tap controls for starting, stopping, and resetting sets, with automatic cloud saving of timer settings. Alarms and notifications alert you when time is up.

**Highlights:** Tap to start/stop, Long press to set duration, Set and reset counting, Alarm and notification alerts, Automatic cloud saving, Minimalist interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HIIT Timer free?

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

### Is GymRest free?

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

### Do HIIT Timer or GymRest have ads?

HIIT Timer shows ads; GymRest does not.

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

HIIT Timer ships an update every 3 weeks, and GymRest every 22 months. Most recently, HIIT Timer was updated on September 20, 2026 and GymRest on October 1, 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.*