# iCMTGIS III vs My GPS Coordinates °

The clearest difference is price: My GPS Coordinates ° at Free against iCMTGIS III's $199.99. My GPS Coordinates ° also leads on update cadence (fortnightly vs every 3 months). iCMTGIS III's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

My GPS Coordinates ° is free to download; iCMTGIS III costs $199.99 up front. My GPS Coordinates ° sells 2 in-app purchases, starting at $0.99 per month. iCMTGIS III asks for nothing beyond the download.

iCMTGIS III ships an update every 3 months, My GPS Coordinates ° fortnightly. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | iCMTGIS III | My GPS Coordinates ° |
| --- | --- | --- |
| Price | $199.99 | **Free** |
| Rating | — | **[4.6 (2.1K ratings)](https://appshunter.io/ios/app/my-gps-coordinates/id1335952038/reviews)** |
| Number of ratings | — | **2.1K** |
| Positive reviews | — | 40.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 77 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [CORVALLIS MICROTECHNOLOGY, INC.](https://appshunter.io/developer/409254105) | [MYSTIC MOBILE APPS LLC](https://appshunter.io/developer/1481942662) |

## What reviewers say

### iCMTGIS III

[App page](https://appshunter.io/ios/app/icmtgis-iii/id982365052)

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

**In-app purchases:** none


### My GPS Coordinates °

[App page](https://appshunter.io/ios/app/my-gps-coordinates/id1335952038)

Easily find your precise GPS coordinates, altitude, and satellite count. Save locations with photos, customize data overlays, and share your whereabouts instantly. Includes a compass, map view of saved spots, and an SOS feature for emergencies.

**Highlights:** High accuracy GPS coordinates, Multiple coordinate formats, Geotagged photo memories, Save and bookmark locations, Compass navigation, SOS emergency feature, Data export/import (GPX, KML)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly GPS Coordinates+ | $0.99 | per month |
| Annual GPS Coordinates+ | $8.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 💡 Useful for specific use cases (e.g. storm spotting, cemetery navigation)
- 🚀 Accurate GPS coordinates

**What reviewers complain about**

- 🐛 Inaccurate GPS readings
- 🔍 Difficult interface and navigation
- 💸 Aggressive ads that disrupt user experience
- 🚫 No ad-free paid version available

**Reported bugs**

- App crashes or freezes when switching locations
- Coordinates not properly displayed on Apple Watch
- Inconsistent GPS readings at the same location

**Requested features**

- Add option to copy coordinates to clipboard
- Improve GPS accuracy and consistency
- Provide a paid ad-free version


## Frequently asked questions

### Is iCMTGIS III free?

iCMTGIS III costs $199.99, with no in-app purchases.

### Is My GPS Coordinates ° free?

My GPS Coordinates ° is free to download, with in-app purchases available.

### Do iCMTGIS III or My GPS Coordinates ° have ads?

My GPS Coordinates ° shows ads; iCMTGIS III does not.

### Which is updated more often, iCMTGIS III or My GPS Coordinates °?

iCMTGIS III ships an update every 3 months, and My GPS Coordinates ° fortnightly. Most recently, iCMTGIS III was updated on November 1, 2026 and My GPS Coordinates ° on November 11, 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.*