# Compass GPS Altimeter vs DUKE DIGITAL

The clearest difference is in-app purchases: DUKE DIGITAL at none against Compass GPS Altimeter's 5. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Compass GPS Altimeter sells 5 in-app purchases, starting at $12.99 per 7 days. DUKE DIGITAL asks for nothing beyond the download.

## The numbers

| Metric | Compass GPS Altimeter | DUKE DIGITAL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/compass-gps-altimeter/id6745474561/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 43 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [成都关键元素科技有限公司](https://appshunter.io/developer/6779301920) | [Josue Chavez](https://appshunter.io/developer/1613806042) |

## What reviewers say

### Compass GPS Altimeter

[App page](https://appshunter.io/ios/app/compass-gps-altimeter/id6745474561)

This app provides advanced outdoor navigation tools, including a precision compass, altimeter, barometer, and offline GPS tracking. It offers features like geo-data watermarking on photos, weather station data, and hazard alerts to enhance safety and documentation for adventurers.

**Highlights:** Precision compass with real-time data, High-accuracy altimeter and barometer, Offline GPS tracking and navigation, Geo-data watermarking on photos, Comprehensive weather station data, Hazard alerts and SOS functionality

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CompassPro | $12.99 | per 7 days |
| CompassPro | $19.99 | per month |
| CompassPro | $24.99 | per 3 months |
| CompassPro | $29.99 | per year |
| CompassPro | $49.99 | one-time |


### DUKE DIGITAL

[App page](https://appshunter.io/ios/app/duke-digital/id6752625351)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Compass GPS Altimeter free?

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

### Is DUKE DIGITAL free?

DUKE DIGITAL is free to download, with no in-app purchases.

### Do Compass GPS Altimeter or DUKE DIGITAL have ads?

Neither Compass GPS Altimeter nor DUKE DIGITAL 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.*