# Rosetta vs Compass

The clearest difference is in-app purchases: Rosetta at none against Compass's 3. Rosetta also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Compass sells 3 in-app purchases, starting at $7.99 per 7 days. Rosetta asks for nothing beyond the download.

## The numbers

| Metric | Rosetta | Compass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 35 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Optiwise](https://appshunter.io/developer/1559472272) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Rosetta

[App page](https://appshunter.io/ios/app/rosetta-unit-converter/id6766109378)

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

**In-app purchases:** none


### Compass

[App page](https://appshunter.io/ios/app/compass-true-north-finder/id6772265033)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Waypoints & Trails Weekly | $7.99 | per 7 days |
| Orienteering Kit Yearly | $39.99 | per year |
| Sun Tracker: Pay Once | $79.99 | one-time |


## Frequently asked questions

### Is Rosetta free?

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

### Is Compass free?

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

### Do Rosetta or Compass have ads?

Neither Rosetta nor Compass 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.*