# GymBrain vs Rest Timer

The clearest difference is in-app purchases: Rest Timer at none against GymBrain's 1. Rest Timer also leads on ratings volume (11 vs 3). GymBrain's advantage is iOS requirement (11.4 vs 14.0). On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for GymBrain against 4.9 for Rest Timer. Both are backed by a comparable volume of ratings — 3 and 11 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

GymBrain ships an update every 3 months, Rest Timer every 2 months. The most recent releases landed on October 7, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | GymBrain | Rest Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gymbrain/id467002398/reviews)** | [4.9 (11 ratings)](https://appshunter.io/ios/app/rest-timer-waitwaitgo/id1162311487/reviews) |
| Number of ratings | 3 | **11** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 20 MB |
| Requires iOS | **11.4** | 14.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ross Tulloch](https://appshunter.io/developer/290800832) | [Srdan Stanic](https://appshunter.io/developer/1162311486) |

## What reviewers say

### GymBrain

[App page](https://appshunter.io/ios/app/gymbrain/id467002398)

This app helps you track your gym sets and recovery times with a single tap. It includes a HIIT timer, customizable alarms, and automatic workout timing. Store your workout history and share your progress with friends.

**Highlights:** Automatic set counter, Recovery timer with alarms, Automatic workout timer, HIIT timer, Workout history storage, Apple Watch support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Free Upgrade | $0.99 | one-time |


### Rest Timer

[App page](https://appshunter.io/ios/app/rest-timer-waitwaitgo/id1162311487)

This app provides a simple countdown timer for rest periods during workouts. It features customizable sounds, notification-based restarts, and dynamic display support. Easily manage your workout intervals without interrupting your music or unlocking your phone.

**Highlights:** One-tap timer start, Customizable rest periods, Plays music during countdown, Restart from notification, Dynamic Island and Live Activity support, Adjust timer while running

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GymBrain free?

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

### Is Rest Timer free?

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

### Which has better reviews, GymBrain or Rest Timer?

GymBrain is rated higher. GymBrain averages 5.0 out of 5 from 3 ratings, while Rest Timer averages 4.9 from 11 ratings.

### Do GymBrain or Rest Timer have ads?

Neither GymBrain nor Rest Timer shows ads.

### Which is updated more often, GymBrain or Rest Timer?

GymBrain ships an update every 3 months, and Rest Timer every 2 months. Most recently, GymBrain was updated on October 7, 2026 and Rest Timer on September 26, 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.*