# Zero Meter vs Altimeter Tracker

The clearest difference is device support: Zero Meter at 3 against Altimeter Tracker's 1. Zero Meter also leads on iOS requirement (16 vs 26.0). On price, ads and in-app purchases 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 | Altimeter Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 2 MB | 1 MB |
| Requires iOS | **16** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [辉 吴](https://appshunter.io/developer/1893273006) | [Raul Ros](https://appshunter.io/developer/6793556185) |

## 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


### Altimeter Tracker

[App page](https://appshunter.io/ios/app/altimeter-tracker/id6793556183)

**In-app purchases:** none


## Frequently asked questions

### Is Zero Meter free?

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

### Is Altimeter Tracker free?

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

### Do Zero Meter or Altimeter Tracker have ads?

Neither Zero Meter nor Altimeter Tracker 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.*