# Altimeter Mountain GPS Tracker vs Altimeter GPS Barometer

The clearest difference is update cadence: Altimeter GPS Barometer at every 3 days against Altimeter Mountain GPS Tracker's fortnightly. Altimeter Mountain GPS Tracker's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Altimeter Mountain GPS Tracker sells 2 in-app purchases, starting at $0.99 per month and Altimeter GPS Barometer sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Altimeter Mountain GPS Tracker ships an update fortnightly, Altimeter GPS Barometer every 3 days. The most recent releases landed on October 26, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Altimeter Mountain GPS Tracker | Altimeter GPS Barometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/altimeter-mountain-gps-tracker/id1414926824/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 41 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MYSTIC MOBILE APPS LLC](https://appshunter.io/developer/1481942662) | [静华 黄](https://appshunter.io/developer/1501801862) |

## What reviewers say

### Altimeter Mountain GPS Tracker

[App page](https://appshunter.io/ios/app/altimeter-mountain-gps-tracker/id1414926824)

This app transforms your smartphone into a precise altimeter and GPS tracker. It combines data from multiple sources for accurate elevation readings and offers detailed trip analytics, route mapping, and safety features for outdoor adventures.

**Highlights:** High-precision altitude tracking, Real-time location and coordinates, Barometric pressure monitoring, Advanced trip data measurement, Dynamic route mapping, SOS rescue message feature, Offline map downloads

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly premium subscription | $0.99 | per month |
| Annual premium subscription | $8.49 | per year |


### Altimeter GPS Barometer

[App page](https://appshunter.io/ios/app/altimeter-gps-barometer/id6475106813)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Forever Unlock Compass(Magic) | $0.99 | one-time |
| Forever Unlock Compass(Simple) | $1.99 | one-time |


## Frequently asked questions

### Is Altimeter Mountain GPS Tracker free?

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

### Is Altimeter GPS Barometer free?

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

### Do Altimeter Mountain GPS Tracker or Altimeter GPS Barometer have ads?

Both Altimeter Mountain GPS Tracker and Altimeter GPS Barometer show ads.

### Which is updated more often, Altimeter Mountain GPS Tracker or Altimeter GPS Barometer?

Altimeter Mountain GPS Tracker ships an update fortnightly, and Altimeter GPS Barometer every 3 days. Most recently, Altimeter Mountain GPS Tracker was updated on October 26, 2026 and Altimeter GPS Barometer on October 4, 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.*