# Compass Altitude vs Mini Altimeter

The clearest difference is in-app purchases: Mini Altimeter at none against Compass Altitude's 1. Compass Altitude's advantage is iOS requirement (15 vs 17.0). On price, update cadence, 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. Mini Altimeter asks for nothing beyond the download.

Compass Altitude ships an update every 8 days, Mini Altimeter every 6 days. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Compass Altitude | Mini Altimeter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 6 days** |
| Size | 6 MB | 3 MB |
| Requires iOS | **15** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [连喜 罗](https://appshunter.io/developer/1450239627) | [Woodenshark LLC](https://appshunter.io/developer/1236101386) |

## 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 |


### Mini Altimeter

[App page](https://appshunter.io/ios/app/mini-altimeter/id6804417354)

**Features:** macOS Compatibility, Apple Watch app, 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 Mini Altimeter free?

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

### Do Compass Altitude or Mini Altimeter have ads?

Neither Compass Altitude nor Mini Altimeter shows ads.

### Which is updated more often, Compass Altitude or Mini Altimeter?

Compass Altitude ships an update every 8 days, and Mini Altimeter every 6 days. Most recently, Compass Altitude was updated on October 16, 2026 and Mini Altimeter on October 2, 2026.

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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.*