Apps Like Gemma GPS for iPhone and iPad
Gemma GPS screenshots
Ranked alternatives
Showing 581–600 of 1,000 ranked alternatives.



Calc Pro - Simple and Useful
Keita Nonaka
Calculate large numbers precisely
Perform complex mathematical calculations with up to 15 digits of decimal precision. Handle large numbers without ellipsis. Save and reuse calculation equations. Access calculation history even after closing the .


01Converter
Francesco Burelli
Number conversion and bit manipulation tool.
The app converts numbers between binary, hexadecimal, octal, and decimal formats. It includes functions for bit shifting, adding one, and subtracting one, with an optimized keyboard for input.


SafePilot by Trelleborg
Trelleborg Marine Systems Denmark A/S
Professional maritime piloting software from Trelleborg.
The app provides navigational data and chart display with multiple orientations. It supports S-57 and S-63 Charts and includes a vessel database for logging handled vessels.

iHikeGPS NZ : LINZ Topo Maps
James Associates Inc.
Track routes, view , navigate outdoors
Record and view hiking tracks with detailed topographic . Navigate routes using GPS coordinates. Mark waypoints and save locations. Display elevation changes and compass direction. Sync with Apple Health for activity tracking.







NaVida
Electronic Chart Centre AS
Maps and charts for land and sea.
The app provides map display for land and sea with multiple map layers including OpenStreetMap and Apple Maps imagery. It offers features like offline map data, places of interest search, and waypoint management with GPX file support.

3D GIS Digital Elevation Model
Andres Narvaez
Generate 3D models from internet or cloud
Create 3D models from online sources like Bing Maps or local cloud points. Export data as CSV, TXT, STL, or OBJ. Modify models by cutting, scaling, and animating. Calculate surface areas and volumes in real-world units.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.