# Hi Timer vs Muscle Mummies

The clearest difference is update cadence: Hi Timer at every 3 weeks against Muscle Mummies's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Hi Timer sells 3 in-app purchases, starting at $0.99 per month and Muscle Mummies sells 1 in-app purchase, starting at $199.99 per month. Whichever you choose, the download price is not the number that matters.

Hi Timer ships an update every 3 weeks, Muscle Mummies every 2 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | Hi Timer | Muscle Mummies |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hi-timer-interval-timer-hiit/id1642170838/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 56 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Sophie Payne](https://appshunter.io/developer/1642170840) | [LAUREN MARGARET CANDY](https://appshunter.io/developer/1836112798) |

## What reviewers say

### Hi Timer

[App page](https://appshunter.io/ios/app/hi-timer-interval-timer-hiit/id1642170838)

Create and customize your own interval workouts with this intuitive timer app. Features include quick start templates, advanced customization, voice cues, and background operation. Seamlessly integrate with your music and save workouts to Apple Health.

**Highlights:** Customizable interval workouts, Quick start templates (Tabata), Drag & drop interface, Voice and sound cues, Background operation, Music integration, HealthKit integration

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hi Timer Premium Monthly | $0.99 | per month |
| Hi Timer Premium Yearly | $3.99 | per year |
| HiTimer Forever | $6.99 | one-time |


### Muscle Mummies

[App page](https://appshunter.io/ios/app/muscle-mummies/id6751628040)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Online Coaching | $199.99 | per month |


## Frequently asked questions

### Is Hi Timer free?

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

### Is Muscle Mummies free?

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

### Do Hi Timer or Muscle Mummies have ads?

Neither Hi Timer nor Muscle Mummies shows ads.

### Which is updated more often, Hi Timer or Muscle Mummies?

Hi Timer ships an update every 3 weeks, and Muscle Mummies every 2 months. Most recently, Hi Timer was updated on October 3, 2026 and Muscle Mummies on October 3, 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.*