# Zero Meter vs Ultra Precision Compass

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Zero Meter | Ultra Precision Compass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 weeks |
| Size | 2 MB | 100 MB |
| Requires iOS | 16 | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [辉 吴](https://appshunter.io/developer/1893273006) | [주식회사 강남토끼](https://appshunter.io/developer/1860442522) |

## What reviewers say

### Zero Meter

[App page](https://appshunter.io/ios/app/zero-meter/id6772456073)

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

**In-app purchases:** none


### Ultra Precision Compass

[App page](https://appshunter.io/ios/app/ultra-precision-compass/id6796186415)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zero Meter free?

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

### Is Ultra Precision Compass free?

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

### Do Zero Meter or Ultra Precision Compass have ads?

Ultra Precision Compass shows ads; Zero Meter 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.*