Apps like Topographia Classic

Here are some great alternatives to Topographia Classic by TopOntheFly :
Geoclass Surveying Calculator
Geoclass Surveying Calculator
★3.5
Handy Surveying
Handy Surveying
★5.0
Harcourt Traverse & Surveying
Harcourt Traverse & Surveying
★4.2
Land Calculator: Map Measure
Land Calculator: Map Measure
★3.8
Apglos Survey Wizard
Apglos Survey Wizard
★3.6
Gps Area Calculator
Gps Area Calculator
★4.0
Mapulator - GPS Field Measure
Mapulator - GPS Field Measure
★4.2
GPS Land Field Area Measure
GPS Land Field Area Measure
★3.9
Planimeter: Field Area Measure
Planimeter: Field Area Measure
★4.5
Area Calculator For Land
Area Calculator For Land
★3.4
Planimeter - GPS area measure
Planimeter - GPS area measure
★3.2
Emlid Flow
Emlid Flow
★3.7
Benchmark Explorer
Benchmark Explorer
★4.3
Land Area Measurement
Land Area Measurement
★4.1
Mobile Topographer Pro
Mobile Topographer Pro
★3.8
Geodesy
Geodesy
★3.6