# Compass Altitude vs Smart Digital Compass

The clearest difference is iOS requirement: Compass Altitude at 15 against Smart Digital Compass's 17.0. On price, ads, in-app purchases 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 and Smart Digital Compass sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Compass Altitude | Smart Digital Compass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Size | 6 MB | 5 MB |
| Requires iOS | **15** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [连喜 罗](https://appshunter.io/developer/1450239627) | [学友 刘](https://appshunter.io/developer/1895323694) |

## 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 |


### Smart Digital Compass

[App page](https://appshunter.io/ios/app/smart-digital-compass/id6775931397)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Digital Compass Pro Monthly | $1.99 | per month |
| Digital Compass Pro Yearly | $9.99 | per year |


## Frequently asked questions

### Is Compass Altitude free?

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

### Is Smart Digital Compass free?

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

### Do Compass Altitude or Smart Digital Compass have ads?

Neither Compass Altitude nor Smart Digital Compass shows ads.

---

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