# Altimeter Mountain GPS Tracker vs TripTrap.id

The clearest difference is in-app purchases: TripTrap.id at none against Altimeter Mountain GPS Tracker's 2. TripTrap.id also leads on ads (none vs shown). Altimeter Mountain GPS Tracker's advantage is device support (3 vs 1). On price, update cadence 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. TripTrap.id asks for nothing beyond the download.

Altimeter Mountain GPS Tracker ships an update fortnightly, TripTrap.id weekly. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Altimeter Mountain GPS Tracker | TripTrap.id |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 15 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [MYSTIC MOBILE APPS LLC](https://appshunter.io/developer/1481942662) | [Surya Arif](https://appshunter.io/developer/978414923) |

## 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 |


### TripTrap.id

[App page](https://appshunter.io/ios/app/triptrapid/id6761379877)

**In-app purchases:** none


## Frequently asked questions

### Is Altimeter Mountain GPS Tracker free?

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

### Is TripTrap.id free?

TripTrap.id is free to download, with no in-app purchases.

### Do Altimeter Mountain GPS Tracker or TripTrap.id have ads?

Altimeter Mountain GPS Tracker shows ads; TripTrap.id does not.

### Which is updated more often, Altimeter Mountain GPS Tracker or TripTrap.id?

Altimeter Mountain GPS Tracker ships an update fortnightly, and TripTrap.id weekly. Most recently, Altimeter Mountain GPS Tracker was updated on October 2, 2026 and TripTrap.id on October 3, 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.*