# CrowdMag vs GPS Format Converter

The clearest difference is price: CrowdMag at Free against GPS Format Converter's $0.99. CrowdMag also leads on ratings volume (24 vs 6) and iOS requirement (15.0 vs 18.6). GPS Format Converter's advantage is review sentiment (81% vs 53%) and rating (4.5 vs 4.3). On update cadence, ads, in-app purchases and device support there is nothing between them.

CrowdMag is free to download; GPS Format Converter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GPS Format Converter holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 24 and 6 respectively. Written reviews point the same way: 53% of CrowdMag's written reviews are positive against 81% of GPS Format Converter's.

CrowdMag ships an update every 2 months, GPS Format Converter every 3 months. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | CrowdMag | GPS Format Converter |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.3 (24 ratings)](https://appshunter.io/ios/app/crowdmag/id910578825/reviews) | **[4.5 (6 ratings)](https://appshunter.io/ios/app/gps-format-converter/id1323303352/reviews)** |
| Number of ratings | **24** | 6 |
| Positive reviews | 52.9% of reviews | **81.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Paid |
| Size | 18 MB | 5 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [University of Colorado Boulder](https://appshunter.io/developer/972210292) | [Bitwire Technologies Limited](https://appshunter.io/developer/1323303351) |

## What reviewers say

### CrowdMag

[App page](https://appshunter.io/ios/app/crowdmag/id910578825)

This app allows users to measure and contribute to scientific research on Earth's magnetic field using their smartphone. It offers features for recording magnetic data during various activities, including flights, and provides tools for data visualization and analysis.

**Highlights:** Measure magnetic field data, Contribute to scientific research, Record data during flights, Visualize data on maps and graphs, Magnetic calculator with WMM2020, Live magnetic compass, Export data via email/Google Drive

**Features:** macOS Compatibility

**In-app purchases:** none


### GPS Format Converter

[App page](https://appshunter.io/ios/app/gps-format-converter/id1323303352)

Easily convert GPS coordinates between Degrees, Minutes, Seconds, Decimal Minutes, Decimal Degrees, and UTM formats. Share your current location or copy converted coordinates to the clipboard. Open locations directly in popular map applications.

**Highlights:** Convert between DMS, DMM, DD, and UTM, Get current location in all formats, Share location with one click, Copy coordinates to clipboard, Open coordinates in Apple Maps, Google Maps, or Waze

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CrowdMag free?

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

### Is GPS Format Converter free?

GPS Format Converter costs $0.99, with no in-app purchases.

### Which has better reviews, CrowdMag or GPS Format Converter?

GPS Format Converter is rated higher. CrowdMag averages 4.3 out of 5 from 24 ratings, while GPS Format Converter averages 4.5 from 6 ratings.

### Do CrowdMag or GPS Format Converter have ads?

Neither CrowdMag nor GPS Format Converter shows ads.

### Which is updated more often, CrowdMag or GPS Format Converter?

CrowdMag ships an update every 2 months, and GPS Format Converter every 3 months. Most recently, CrowdMag was updated on October 9, 2026 and GPS Format Converter on October 13, 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.*