# Interval Timer vs Gym Rest Timer

The clearest difference is update cadence: Gym Rest Timer at monthly against Interval Timer's every 2 months. Interval Timer's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Interval Timer sells 1 one-off in-app purchase and Gym Rest Timer sells 2 in-app purchases, starting at $0.39 per month. Whichever you choose, the download price is not the number that matters.

Interval Timer ships an update every 2 months, Gym Rest Timer monthly. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Interval Timer | Gym Rest Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (250 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id1596127692/reviews)** | — |
| Number of ratings | **250** | — |
| Positive reviews | 84.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 81 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yosyp Hameliak](https://appshunter.io/developer/895008826) | [Ninety Six Software Ltd](https://appshunter.io/developer/1728731100) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-workout/id1596127692)

This interval timer is designed for HIIT and interval training. Easily set work and rest periods, sets, and rounds to guide your workouts. It supports background operation and music playback, with an Apple Watch companion app for heart rate monitoring.

**Highlights:** Customizable work and rest periods, Set number of sets and rounds, Background operation support, Music playback compatibility, Apple Watch integration, Heart rate monitoring (Apple Watch)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 🚀 Efficient for workouts
- 💰 One-time purchase option
- ✨ Clean and uncluttered design
- 💪 Great for various training types

**What reviewers complain about**

- 🔇 Lack of customizable sounds
- 🚫 Ads can be intrusive
- ⚠️ App pauses when phone is locked
- 🗣️ Voice can be monotonous
- 🔄 Inconsistent sound notifications

**Reported bugs**

- App pauses when phone is locked
- Sound notifications are inconsistent
- App doesn't run in background
- Watch app not opening or syncing
- In-app purchase issues

**Requested features**

- Option for different/upbeat voice
- Ability to reorder saved timers
- Larger font size option
- Vibrate option
- Naming individual sets/exercises


### Gym Rest Timer

[App page](https://appshunter.io/ios/app/gym-rest-timer-sets-and-hiit/id6740544206)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.39 | per month |
| Lifetime Premium | $2.99 | one-time |


## Frequently asked questions

### Is Interval Timer free?

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

### Is Gym Rest Timer free?

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

### Do Interval Timer or Gym Rest Timer have ads?

Both Interval Timer and Gym Rest Timer show ads.

### Which is updated more often, Interval Timer or Gym Rest Timer?

Interval Timer ships an update every 2 months, and Gym Rest Timer monthly. Most recently, Interval Timer was updated on October 24, 2026 and Gym Rest Timer on October 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.*