# Evolution vs Mastery Timer

The clearest difference is in-app purchases: Evolution at none against Mastery Timer's 1. Evolution 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. Evolution asks for nothing beyond the download.

## The numbers

| Metric | Evolution | Mastery Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 52 MB | 55 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shaun Kapla](https://appshunter.io/developer/1853955251) | [Arjun Gupte](https://appshunter.io/developer/1894098625) |

## What reviewers say

### Evolution

[App page](https://appshunter.io/ios/app/evolution-10000-hour-tracker/id6764692156)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Evolution free?

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

### Is Mastery Timer free?

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

### Do Evolution or Mastery Timer have ads?

Neither Evolution nor Mastery Timer 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.*