# Gemma GPS vs UTM Maps

The clearest difference is ads: Gemma GPS at none against UTM Maps's shown. Gemma GPS also leads on monetization model (free vs free with in-app purchases). UTM Maps's advantage is update cadence (every 10 days vs every 2 months) and review sentiment (100% vs 86%). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. Gemma GPS sells 2 in-app purchases, starting at $199.99 per year and UTM Maps sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Gemma GPS against 5.0 for UTM Maps. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews are what separate them: 86% of Gemma GPS's written reviews are positive against 100% of UTM Maps's.

Gemma GPS ships an update every 2 months, UTM Maps every 10 days. The most recent releases landed on August 6, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | Gemma GPS | UTM Maps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/gemma-gps/id731851553/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/utm-maps/id6748431968/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 54 MB | 20 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Tudor](https://appshunter.io/developer/731851556) | [Yogi Yogantara](https://appshunter.io/developer/1825780236) |

## What reviewers say

### Gemma GPS

[App page](https://appshunter.io/ios/app/gemma-gps/id731851553)

Navigate the outdoors with a digital compass that conserves battery. Save locations and get guided back to them with a simple arrow. Ideal for travelers, hikers, sailors, and geocachers who venture off the beaten path.

**Highlights:** Digital compass, Battery saving mode, Save locations, Night vision mode, Navigation guidance

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gemma GPS Pro Support | $199.99 | per year |
| Gemma GPS Enterprise Support | $499.99 | per year |


### UTM Maps

[App page](https://appshunter.io/ios/app/utm-maps/id6748431968)

This app allows users to work with various coordinate systems, including UTM and MGRS, on a map. It supports registering points with addresses, capturing photos with watermarks, and measuring distances and areas. Data can be exported to CSV or KML formats.

**Highlights:** UTM, MGRS, Lat/Lon coordinate support, Point registration with geocoding, Photo capture with coordinate watermark, Area and distance measurement, Data export to CSV and KML, Field navigation with compass and GPS

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads 1 Month | $0.99 | per month |
| Elevation (1 Month) | $1.99 | per month |
| Elevations (3 Months) | $3.99 | per 3 months |
| Remove Ads 1 Year | $5.99 | per year |


## Frequently asked questions

### Is Gemma GPS free?

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

### Is UTM Maps free?

UTM Maps is free to download, with in-app purchases available.

### Which has better reviews, Gemma GPS or UTM Maps?

Gemma GPS and UTM Maps are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Gemma GPS or UTM Maps have ads?

UTM Maps shows ads; Gemma GPS does not.

### Which is updated more often, Gemma GPS or UTM Maps?

Gemma GPS ships an update every 2 months, and UTM Maps every 10 days. Most recently, Gemma GPS was updated on August 6, 2026 and UTM Maps on August 15, 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.*