# UpUp vs Zero Meter

The clearest difference is in-app purchases: Zero Meter at none against UpUp's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. UpUp sells 2 in-app purchases, starting at $24.99 per year. Zero Meter asks for nothing beyond the download.

## The numbers

| Metric | UpUp | Zero Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 55 MB | 2 MB |
| Requires iOS | 17.0 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [翼 张](https://appshunter.io/developer/1614130772) | [辉 吴](https://appshunter.io/developer/1893273006) |

## What reviewers say

### UpUp

[App page](https://appshunter.io/ios/app/upup-altitude-log-offline/id6761616575)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Plan | $24.99 | per year |
| Lifetime | $29.99 | one-time |


### 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 UpUp free?

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

### Is Zero Meter free?

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

### Do UpUp or Zero Meter have ads?

Neither UpUp nor Zero 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.*