Apps Like OrbitCalc for iPhone and iPad
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.



ISS Tracker - Live Position
Lucent Enterprises Ltd.
Track the ISS and view its orbit
Monitor the International Space Station with real-time tracking on an interactive world map. View current altitude, velocity, and orbital period. Access precise latitude and longitude coordinates. Choose between standard and satellite map views.

Planimeter Pro for map measure
忠 张
Distance and area on maps
Distances and areas on satellite maps. Select objects like lawns, roads, and buildings. Save and share measurements. Export data in various formats. Sync with other apps for project planning.

Planimeter for map measure
忠 张
Distance and area on maps
Distances and areas on satellite maps. Select points to calculate length or size. Save measurements and share results. Compatible with various map views and zoom levels.

Pocket Planets
Ad Lunam Kereskedelmi es Szolgaltato Korlatolt Felelossegu Tarsasag
Learn about space missions and astronauts
Learn about astronauts, their missions, and time in space. Track current space occupants and receive notifications for new space travelers. Access detailed planetary data including physical and orbital characteristics.

Periodic Table: Chemistry 2026
Nikita Chernykh
Learn concepts clearly and effectively
Learn concepts through clear explanations, visual aids, and interactive content. Explore tables, chemical reactions, and molecular structures. Test knowledge with quizzes and practice problems. Access detailed facts and diagrams without ads.


Transformer Calculator.
V PUGAZHENTHI
Calculate currents and determine type
Calculate primary and secondary full-load currents based on ratings and voltages. Determine turns ratio and type. Input phase type and voltage values to obtain current outputs and ratio calculations.


Feet & Inches Tape Calculator
Tue Nguyen Minh
Calculate and with a measure display
Convert measurements between , , and centimeters. Input fractions or decimals for precise calculations. View results on a visual measure display. Perform addition, subtraction, multiplication, and division with measurement values.



Solar Explorer 3D
Shenzhen Qizhuan Technology Co., Ltd
Explore planets and track celestial movements
Explore the System with a 3D simulation showing accurate orbital and rotational motion. View surface details and moons up close. Land on planetary surfaces for detailed exploration.

GPS Land Measurement & Survey
LOGISIAN TECHNOLOGY SOLUTIONS PRIVATE LIMITED
Measure areas and distances
Measure areas and calculate distances using GPS. Draw polygons on maps to calculate field areas. Save and share data. Access detailed maps and satellite imagery for accurate surveying.


Unit Converter | Converter4U
VisTech.Projects LLC
Convert units between categories seamlessly
Convert units across categories like length, area, and temperature. Perform simultaneous conversions and customize preferences. Copy converted values to the clipboard for quick use.



SimpleRockets
Jundroo, LLC
Build and test aircraft with physics
Build and customize rocket ships by selecting and connecting parts like engines and fuel tanks. Test designs in realistic physics simulations. Explore the solar system and manage fuel consumption during missions.
How we rank alternatives
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