OrbitCalc app icon

Apps Like OrbitCalc for iPhone and iPad

by Bian Dhoan Kwik★ 5.01 ratingsEducationFreeData updated 2026-09-06

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Spaceflight Simulator app icon

    Spaceflight Simulator

    Spaceflight Simulator UK Ltd

    Build rockets, explore space, track physics

    Build and customize rockets to explore a realistically scaled universe. Navigate using real orbital mechanics and travel to distant planets and objects. Interact with Mercury, Venus, Earth, the Moon, Mars, Phobos, and Deimos.

    ★ 4.883,788 ratingsGamesFreeData updated 2026-09-06
  2. Next Spaceflight app icon

    Next Spaceflight

    NASASpaceflight LLC

    Track launches, view events, explore missions

    View rocket launch schedules and track orbital missions. Access 3D simulations and live playback of launches. Explore a catalog of past rocket launches. Follow Starship activity at Boca Chica. Check live countdowns, latest news, and upcoming events.

    ★ 4.921,855 ratingsNewsFreeData updated 2026-09-06
  3. Sputnik! app icon

    Sputnik!

    Applicate Ltd

    Track satellite passes and ISS sightings

    Predict satellite and ISS sightings with second-level accuracy. Track Starlink satellite trains. Set reminders for upcoming events. Show compass direction and elevation for precise viewing. Countdown to sightings second by second.

    ★ 4.7731 ratingsUtilitiesFreeData updated 2026-09-08
  1. ISS Real-Time Tracker 3D app icon

    ISS Real-Time Tracker 3D

    Michael Stebel

    Track space stations and telescopes in real

    Track flyovers of the International Space Station, Tiangong, and Hubble Space Telescope with 3D visualization and live positioning. Predict up to 30 days ahead with location-based pass times and a 0–4 star rating system for visibility.

    ★ 4.81,147 ratingsReference$4.99Data updated 2026-09-06
  2. Satellite Passes app icon

    Satellite Passes

    One Venerate Limited

    Track and view real-time locations

    Track with real-time predictions and interactive maps. View orbits, identify the International Space Station, Hubble Space Telescope, and other satellites. Set location and time for accurate pass information.

    ★ 0.00 ratingsEducation$1.99Data updated 2026-09-06
  3. FieldCalc - GPS Area Measure app icon

    FieldCalc - GPS Area Measure

    Pravin Gondaliya

    Land and calculate distances with GPS

    Land and distances using GPS by marking points on a map. Calculate field size, plot dimensions, and property boundaries. Save and share measurement data. Sync with other devices for accurate field surveys.

    ★ 4.55,274 ratingsUtilitiesFreeData updated 2026-09-06
  4. The Sky Pro by Redshift app icon

    The Sky Pro by Redshift

    United Soft Media Verlag GmbH

    Explore celestial objects and learn about them

    Explore celestial objects like planets, moons, asteroids, and stars. View detailed information about each object. Track their positions and movements over time. Learn about constellations and their changes throughout the year.

    ★ 4.8330 ratingsReference$6.99Data updated 2026-09-06
  5. NCalc Scientific Calculator + app icon

    NCalc Scientific Calculator +

    Tran Duy

    Calculate, graph, convert, solve

    Allows users to perform complex calculations with a natural display that shows expressions as written. It supports fractions, roots, and exponents. The includes a graphing module for visualizing equations.

    ★ 4.711,472 ratingsEducationFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.