# GB Grid Converter vs GPS Coordinates Converter App

The clearest difference is rating: GB Grid Converter at 5.0 against GPS Coordinates Converter App's 4.0. GPS Coordinates Converter App's advantage is ratings volume (1.7K vs 1) and update cadence (monthly vs every 2 months). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. GB Grid Converter sells 1 one-off in-app purchase and GPS Coordinates Converter App sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

GB Grid Converter holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: GPS Coordinates Converter App has 1.7K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 76% of GB Grid Converter's written reviews are positive against 70% of GPS Coordinates Converter App's.

GB Grid Converter ships an update every 2 months, GPS Coordinates Converter App monthly. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | GB Grid Converter | GPS Coordinates Converter App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gb-grid-converter/id382369923/reviews)** | [4.0 (1.7K ratings)](https://appshunter.io/ios/app/gps-coordinates-converter-app/id1462873099/reviews) |
| Number of ratings | 1 | **1.7K** |
| Positive reviews | **75.9% of reviews** | 70.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 82 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Geospike Pty Ltd](https://appshunter.io/developer/500622151) | [Monocubed, Inc](https://appshunter.io/developer/1616163698) |

## What reviewers say

### GB Grid Converter

[App page](https://appshunter.io/ios/app/gb-grid-converter/id382369923)

This app converts British National Grid References to Latitude/Longitude coordinates and vice-versa. It supports both OSGB36 and WGS84 datums. You can view converted coordinates in Maps, send them to other apps, or copy them to your clipboard.

**Highlights:** Convert British National Grid to Lat/Long, Convert Lat/Long to British National Grid, Supports OSGB36 and WGS84, View coordinates in Maps app, Send coordinates to other apps, Copy coordinates to clipboard, Fuzzy parsing for input

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GB Grid Converter Premium | $10.00 | one-time |

**What reviewers like**

- 👍 Brilliant app overall
- 📍 Accurate grid references
- 🗺️ Shows location on map
- 🚀 Navigates to grid reference
- 💡 Instant and accurate grid reference

**What reviewers complain about**

- 🐛 Drop pin no longer gives TQ
- 🔊 No sound when driving
- 📉 Accuracy issues (can't get to 5m)
- 🐛 Clunky and inaccurate interface
- 💥 Crashes iPad Air

**Reported bugs**

- Drop pin does not give TQ anymore unless at location
- No sound when driving to a grid reference
- App crashes when asking for directions on iPad mini
- Latest update has issues, doesn't work on iPhone or iPad
- New marker pins on map not accurate, same grid ref for all pins

**Requested features**

- Direct reference to What 3 Words
- Watch compatibility
- Convert WGS84 to OS grid
- Increase accuracy by another decimal place


### 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 GB Grid Converter free?

GB Grid Converter is free to download, with in-app purchases available.

### Is GPS Coordinates Converter App free?

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

### Which has better reviews, GB Grid Converter or GPS Coordinates Converter App?

GB Grid Converter is rated higher. GB Grid Converter averages 5.0 out of 5 from 1 ratings, while GPS Coordinates Converter App averages 4.0 from 1.7K ratings.

### Do GB Grid Converter or GPS Coordinates Converter App have ads?

Neither GB Grid Converter nor GPS Coordinates Converter App shows ads.

### Which is updated more often, GB Grid Converter or GPS Coordinates Converter App?

GB Grid Converter ships an update every 2 months, and GPS Coordinates Converter App monthly. Most recently, GB Grid Converter was updated on November 1, 2026 and GPS Coordinates Converter App on November 6, 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.*