# No Ads Barometric Altimeter vs Zero Meter

The clearest difference is iOS requirement: Zero Meter at 16 against No Ads Barometric Altimeter's 18.4. On price, ads, in-app purchases and device support 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 | No Ads Barometric Altimeter | Zero Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 1 MB | 2 MB |
| Requires iOS | 18.4 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zhang Bozheng](https://appshunter.io/developer/925562708) | [辉 吴](https://appshunter.io/developer/1893273006) |

## What reviewers say

### No Ads Barometric Altimeter

[App page](https://appshunter.io/ios/app/no-ads-barometric-altimeter/id6760701049)

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

**In-app purchases:** none


### Zero Meter

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

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

**In-app purchases:** none


## Frequently asked questions

### Is No Ads Barometric Altimeter free?

No Ads Barometric Altimeter is free to download, with no in-app purchases.

### Is Zero Meter free?

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

### Do No Ads Barometric Altimeter or Zero Meter have ads?

Neither No Ads Barometric Altimeter nor Zero Meter shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*