# Interval Timer vs Gym Rest Timer

The clearest difference is in-app purchases: Gym Rest Timer at none against Interval Timer's 3. Gym Rest Timer also leads on ads (none vs shown). Interval Timer's advantage is update cadence (every 2 months vs every 4 months) and iOS requirement (15.6 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $3.99 per month. Gym Rest Timer asks for nothing beyond the download.

Interval Timer ships an update every 2 months, Gym Rest Timer every 4 months. The most recent releases landed on September 16, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Interval Timer | Gym Rest Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 13 MB | 6 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andrei Dziahel](https://appshunter.io/developer/1822996017) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-workout-hiit/id6756293115)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer PRO | $3.99 | per month |
| Interval Tabata Timer | $3.99 | per 7 days |
| Interval Timer PRO | $24.99 | one-time |


### Gym Rest Timer

[App page](https://appshunter.io/ios/app/gym-rest-timer-between-sets/id6772137757)

**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 Gym Rest Timer free?

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

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

Interval Timer shows ads; Gym Rest Timer does not.

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

Interval Timer ships an update every 2 months, and Gym Rest Timer every 4 months. Most recently, Interval Timer was updated on September 16, 2026 and Gym Rest Timer on September 24, 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.*