Coordinate Master vs GPS Format Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Coordinate Master
Convert coordinates between over 1700 global systems using PROJ4 library. Supports various formats including lat/lon, UTM, and national grids. Can use GPS or photo data for input.
- 1700+ coordinate systems
- PROJ4 library integration
- Supports lat/lon, UTM, national grids
- Custom coordinate system support
- GPS location input
- Photo coordinate extraction
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Coordinate Master is one of the most powerful map coordinate converters available. It uses the PROJ4 library and a lookup file containing projection and datum parameters to allow conversion between more than 1700 coordinate systems from around the world. Lat/lon, UTM, US coordinate systems (including US State Plane), Australian coordinate systems (including GDA2020), UK coordinate systems (including British National Grid) and many, many others are supported. Custom coordinate systems can be added and affine parameters are supported for adding local grid systems. The app can use manually entered coordinates, your current GPS location, or get the lat/lon coordinates from a photo.
GPS Format Converter
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.
- 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
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EASILY AND QUICKLY convert between three different GPS coordinate formats and UTM: - Degrees, Minutes and Seconds DDD° MM' SS.SSS" - Degrees and Decimal Minutes DDD° MM.MMMMM' - Decimal Degrees DDD.DDDDDDD° - Universal Transverse Mercator (UTM) Zone, Easting, Northing SHARE your location with a click of a button. EASILY copy each format to the clipboard. Get your current location in all formats with a click of a button. Open up the coordinates in Apple Maps, Google Maps or Waze.
Screenshots
Verdict
The clearest difference is update cadence: Coordinate Master at fortnightly against GPS Format Converter's every 3 months. Coordinate Master also leads on iOS requirement (14.0 vs 18.6). GPS Format Converter's advantage is price ($0.99 vs $3.99). On rating, review sentiment, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Coordinate Master costs $3.99 and GPS Format Converter $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.4 for Coordinate Master against 4.5 for GPS Format Converter. Both are backed by a comparable volume of ratings — 5 and 6 respectively. Written reviews are what separate them: 83% of Coordinate Master's written reviews are positive against 81% of GPS Format Converter's.
Coordinate Master ships an update fortnightly, GPS Format Converter every 3 months. The most recent releases landed on October 5, 2026 and October 26, 2026 respectively.
| Parameter | Coordinate Master | GPS Format Converter |
|---|---|---|
| Price | $3.99 | $0.99 — better |
| Rating | 4.4 (5 ratings) | 4.5 (6 ratings) — better |
| Positive reviews | 83.3% of reviews — better | 81.0% of reviews |
| Number of ratings | 5 | 6 — better |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Anthony Dunk | Bitwire Technologies Limited |
Customer experience
Coordinate Master
GPS Format Converter
In-app purchases
Coordinate Master
No in-app purchases
GPS Format Converter
No in-app purchases
Questions
Is Coordinate Master free?
Is GPS Format Converter free?
Which has better reviews, Coordinate Master or GPS Format Converter?
Do Coordinate Master or GPS Format Converter have ads?
Which is updated more often, Coordinate Master or GPS Format Converter?
Other comparisons
