# Compass 3 vs Omni Meter

The clearest difference is in-app purchases: Compass 3 at none against Omni Meter's 3. Compass 3 also leads on iOS requirement (11.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Omni Meter sells 3 in-app purchases, starting at $0.99 per month. Compass 3 asks for nothing beyond the download.

## The numbers

| Metric | Compass 3 | Omni Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 24 MB | 7 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Chris Stayte](https://appshunter.io/developer/1106422600) | [Zinc White Limited](https://appshunter.io/developer/1836956615) |

## What reviewers say

### Compass 3

[App page](https://appshunter.io/ios/app/compass-3/id6443994724)

**In-app purchases:** none


### Omni Meter

[App page](https://appshunter.io/ios/app/omni-meter/id6778650835)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus (All Features Monthly) | $0.99 | per month |
| Omni Meter Plus Yearly | $3.99 | per year |
| Omni Meter Plus Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is Compass 3 free?

Compass 3 is free to download, with no in-app purchases.

### Is Omni Meter free?

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

### Do Compass 3 or Omni Meter have ads?

Neither Compass 3 nor Omni Meter 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.*