# Compass vs Master Clock

The clearest difference is price: Compass at Free against Master Clock's $2.99. Master Clock's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Compass is free to download; Master Clock costs $2.99 up front. Compass sells 2 in-app purchases, starting at $4.99 per month. Master Clock asks for nothing beyond the download.

## The numbers

| Metric | Compass | Master Clock |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Size | 5 MB | 1 MB |
| Requires iOS | 16.6 | **16.2** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Welove Games Co., Ltd.](https://appshunter.io/developer/1437251986) | [DANIEL JOHN OWENS](https://appshunter.io/developer/6785002286) |

## What reviewers say

### Compass

[App page](https://appshunter.io/ios/app/compass-gps-altimeter-and-nav/id6759833459)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $14.99 | per year |


### Master Clock

[App page](https://appshunter.io/ios/app/master-clock/id6785002284)

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

**In-app purchases:** none


## Frequently asked questions

### Is Compass free?

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

### Is Master Clock free?

Master Clock costs $2.99, with no in-app purchases.

### Do Compass or Master Clock have ads?

Compass shows ads; Master Clock does not.

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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.*