Apps Like Gemma GPS for iPhone and iPad
Gemma GPS screenshots
Ranked alternatives
Showing 861–880 of 1,000 ranked alternatives.


Pilot Windstar
Digital Innovations Ltd
Compute heading corrections and ground speed.
The app computes heading corrections and ground speed. It aids navigation and diversion techniques for pilots by displaying groundspeed and correction angles around a compass rose.

HEXCalc(binary conversion)
永生 刘
Convert binary to original, inverse, and complement
Convert binary numbers to decimal, octal, and hexadecimal. Support decimal points in input. Display original code, one's complement, and two's complement representations. Perform arithmetic operations in different bases.



GPT - Gpacers Poseidon Tracker
Yu Lung WANG
Track vessels, receive alerts, and access black
Monitor real-time location and environmental data for marine activities. Receive smart alerts for safety risks. Access offline maps and navigation tools. Record and retrieve black box data for incident review.














NaviSim
Ali Ghassan
Track flight data and manage cockpit resources
Interactive enroute map for navigation, weather, and airspace visualization. Access real-time flight planning tools, including route optimization and fuel calculations. View aircraft performance data and manage checklists.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.