# GymRest vs MUSMON

The clearest difference is in-app purchases: GymRest at none against MUSMON's 2. GymRest also leads on ads (none vs shown). MUSMON's advantage is update cadence (every 2 days vs every 22 months) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. MUSMON sells 2 in-app purchases, starting at $1.99 per month. GymRest asks for nothing beyond the download.

GymRest ships an update every 22 months, MUSMON every 2 days. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GymRest | MUSMON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/gymrest-interval-timer/id1637279351/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 46 MB | 90 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seito Horiguchi](https://appshunter.io/developer/1612679608) | [Rei Wakamatsu](https://appshunter.io/developer/1818489977) |

## What reviewers say

### 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


### MUSMON

[App page](https://appshunter.io/ios/app/musmon-workout-tracker-and-pet/id6782522932)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $1.99 | per month |
| Premium (Yearly) | $14.99 | per year |


## Frequently asked questions

### Is GymRest free?

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

### Is MUSMON free?

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

### Do GymRest or MUSMON have ads?

MUSMON shows ads; GymRest does not.

### Which is updated more often, GymRest or MUSMON?

GymRest ships an update every 22 months, and MUSMON every 2 days. Most recently, GymRest was updated on October 17, 2026 and MUSMON on October 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.*