# Compass 54 Pro vs CrowdMag

The clearest difference is rating: CrowdMag at 4.3 against Compass 54 Pro's 3.2. CrowdMag also leads on in-app purchases (none vs 1) and review sentiment (53% vs 40%). Compass 54 Pro's advantage is iOS requirement (9.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Compass 54 Pro sells 1 one-off in-app purchase. CrowdMag asks for nothing beyond the download.

CrowdMag holds the better App Store score, 4.3 against 3.2. Both are backed by a comparable volume of ratings — 43 and 24 respectively. Written reviews point the same way: 40% of Compass 54 Pro's written reviews are positive against 53% of CrowdMag's.

Compass 54 Pro ships an update every 3 months, CrowdMag every 2 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Compass 54 Pro | CrowdMag |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (43 ratings)](https://appshunter.io/ios/app/compass-54-pro/id458958949/reviews) | **[4.3 (24 ratings)](https://appshunter.io/ios/app/crowdmag/id910578825/reviews)** |
| Number of ratings | **43** | 24 |
| Positive reviews | 40.0% of reviews | **52.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 73 MB | 18 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Elen Bekzadyan](https://appshunter.io/developer/1201385451) | [University of Colorado Boulder](https://appshunter.io/developer/972210292) |

## What reviewers say

### Compass 54 Pro

[App page](https://appshunter.io/ios/app/compass-54-pro/id458958949)

This app provides a real compass, location data, weather updates, date and time, and map functionality. It displays real-time orientation to magnetic fields and offers various coordinate systems and unit conversions.

**Highlights:** Real compass with magnetic field orientation, Location coordinates, course, speed, and altitude, Current weather temperature, humidity, and pressure, Date, time, and GMT time display, Standard, satellite, and hybrid map views, Multiple GPS coordinate systems (UTM, MGRS, etc.)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads. | $2.99 | one-time |

**What reviewers like**

- 👍 Accurate compass readings
- 👍 Precise coordinates shown
- 👍 Simple and easy to use
- 👍 Good for orienteering
- 👍 Works without Wi-Fi/3G

**What reviewers complain about**

- 😠 Insanely annoying ads
- 😠 Ads capture the phone
- 😠 Paid version still has ads
- 😠 App crashes frequently
- 😠 Weather section not working

**Reported bugs**

- Weather section shows 'No Internet Connection' despite being online
- App crashes when enabling camera flash
- Homes.com ad locks display on newer devices
- Camera tab doesn't properly switch settings
- Compass dial jumps or jitters

**Requested features**

- More updates and features
- More child-friendly themes
- Show elevation
- More detailed weather (5-day forecast, hourly temps)
- Switch between Celsius and Fahrenheit


### 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


## Frequently asked questions

### Is Compass 54 Pro free?

Compass 54 Pro is free to download, with in-app purchases available.

### Is CrowdMag free?

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

### Which has better reviews, Compass 54 Pro or CrowdMag?

CrowdMag is rated higher. Compass 54 Pro averages 3.2 out of 5 from 43 ratings, while CrowdMag averages 4.3 from 24 ratings.

### Do Compass 54 Pro or CrowdMag have ads?

Neither Compass 54 Pro nor CrowdMag shows ads.

### Which is updated more often, Compass 54 Pro or CrowdMag?

Compass 54 Pro ships an update every 3 months, and CrowdMag every 2 months. Most recently, Compass 54 Pro was updated on October 7, 2026 and CrowdMag on October 9, 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.*