# Mastery Timer vs MyHour

The clearest difference is in-app purchases: MyHour at none against Mastery Timer's 1. MyHour also leads on device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Mastery Timer | MyHour |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Size | 55 MB | 10 MB |
| Requires iOS | 16.4 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arjun Gupte](https://appshunter.io/developer/1894098625) | [ERIC BRANDT TRACY](https://appshunter.io/developer/6799317044) |

## What reviewers say

### Mastery Timer

[App page](https://appshunter.io/ios/app/mastery-timer/id6782785941)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Friends | $1.99 | one-time |


### MyHour

[App page](https://appshunter.io/ios/app/myhour-10000-hours/id6799317042)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mastery Timer free?

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

### Is MyHour free?

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

### Do Mastery Timer or MyHour have ads?

Neither Mastery Timer nor MyHour shows ads.

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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.*