# Pro Altimeter vs GPS Coordinates Converter App

The clearest difference is price: GPS Coordinates Converter App at Free against Pro Altimeter's $0.99. GPS Coordinates Converter App also leads on update cadence (monthly vs every 12 months) and ratings volume (1.7K vs 40). Pro Altimeter's advantage is in-app purchases (none vs 2) and chart position (#189 vs unranked). On rating, ads and device support there is nothing between them.

GPS Coordinates Converter App is free to download; Pro Altimeter costs $0.99 up front. GPS Coordinates Converter App sells 2 in-app purchases, starting at $2.99 per month. Pro Altimeter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.8 for Pro Altimeter against 4.0 for GPS Coordinates Converter App. That said, the two scores are not equally well evidenced: GPS Coordinates Converter App has 1.7K ratings behind it against 40, so its average is the more settled of the two. Written reviews are what separate them: 56% of Pro Altimeter's written reviews are positive against 70% of GPS Coordinates Converter App's.

Pro Altimeter ships an update every 12 months, GPS Coordinates Converter App monthly. Both last shipped on November 11, 2026.

## The numbers

| Metric | Pro Altimeter | GPS Coordinates Converter App |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.8 (40 ratings)](https://appshunter.io/ios/app/pro-altimeter-barometric-plus-gps/id926603602/reviews) | **[4.0 (1.7K ratings)](https://appshunter.io/ios/app/gps-coordinates-converter-app/id1462873099/reviews)** |
| Number of ratings | 40 | **1.7K** |
| Positive reviews | 55.6% of reviews | **70.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#189** | — |
| Size | 1 MB | 82 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Craig Hunter](https://appshunter.io/developer/286743884) | [Monocubed, Inc](https://appshunter.io/developer/1616163698) |

## What reviewers say

### Pro Altimeter

[App page](https://appshunter.io/ios/app/pro-altimeter-barometric-plus-gps/id926603602)

**Currently charting:** #189 Top Paid · Navigation (US App Store)

This app measures and computes altitude using your device's barometric pressure sensor and GPS. It offers multiple calibration methods, including GPS, manual input, and airport METAR data, for accurate readings. The interface is simple with large, easy-to-read numbers and offers distinct day and night display modes.

**Highlights:** Barometric and GPS altitude measurement, Multiple calibration methods (GPS, manual, METAR), Real-time accuracy estimates, Large, easy-to-read display, Day and night display modes, Calibration reminders

**Features:** Vision Pro support

**In-app purchases:** none


### GPS Coordinates Converter App

[App page](https://appshunter.io/ios/app/gps-coordinates-converter-app/id1462873099)

Easily convert geographic coordinates between various systems like UTM, MGRS, and different Latitude/Longitude formats. Save and share your important locations with others. Unlock advanced features for unlimited use and an ad-free experience.

**Highlights:** Convert between UPS/UTM, MGRS, Decimal Degrees, D°M'S", D°M', Save and recall frequently used coordinates, Share coordinates via messaging and social apps, Unlimited pin save (with IAP), Unlimited GPS conversions (with IAP), Ad-free experience (with IAP)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| GPS Coordinates Pro | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and accurate conversions
- 💡 Helpful for various use cases (search and rescue, oil rigs, etc.)

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 📝 Forced reviews to continue using the app
- 🔒 Concerns about privacy (requests for camera and microphone access)

**Reported bugs**

- Difficulty entering coordinates manually
- Map not showing location in some cases
- Inconsistent behavior when saving locations

**Requested features**

- Add ability to save and name locations
- Improve map functionality (e.g., allow panning, place markers)
- Provide more coordinate format conversion options


## Frequently asked questions

### Is Pro Altimeter free?

Pro Altimeter costs $0.99, with no in-app purchases.

### Is GPS Coordinates Converter App free?

GPS Coordinates Converter App is free to download, with in-app purchases available.

### Which has better reviews, Pro Altimeter or GPS Coordinates Converter App?

GPS Coordinates Converter App is rated higher. Pro Altimeter averages 3.8 out of 5 from 40 ratings, while GPS Coordinates Converter App averages 4.0 from 1.7K ratings.

### Do Pro Altimeter or GPS Coordinates Converter App have ads?

Neither Pro Altimeter nor GPS Coordinates Converter App shows ads.

### Which is updated more often, Pro Altimeter or GPS Coordinates Converter App?

Pro Altimeter ships an update every 12 months, and GPS Coordinates Converter App monthly. Most recently, Pro Altimeter was updated on November 11, 2026 and GPS Coordinates Converter App 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.*