# Compass Altitude vs No Ads Barometric Altimeter

The clearest difference is in-app purchases: No Ads Barometric Altimeter at none against Compass Altitude's 1. Compass Altitude's advantage is iOS requirement (15 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. Compass Altitude sells 1 in-app purchase, starting at $9.99 per year. No Ads Barometric Altimeter asks for nothing beyond the download.

## The numbers

| Metric | Compass Altitude | No Ads Barometric Altimeter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Size | 6 MB | 1 MB |
| Requires iOS | **15** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [连喜 罗](https://appshunter.io/developer/1450239627) | [Zhang Bozheng](https://appshunter.io/developer/925562708) |

## What reviewers say

### Compass Altitude

[App page](https://appshunter.io/ios/app/compass-altitude/id6738635300)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CompassAltitudePro | $9.99 | per year |


### 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


## Frequently asked questions

### Is Compass Altitude free?

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

### Is No Ads Barometric Altimeter free?

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

### Do Compass Altitude or No Ads Barometric Altimeter have ads?

Neither Compass Altitude nor No Ads Barometric Altimeter 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.*