Comet Book app icon

Apps Like Comet Book for iPhone and iPad

Track positions and directions

Track visibility with real-time direction and elevation updates. Locate comets using the moon and bright planets as guides. Set observation times and directions based on your location. Share sighting details and view movement patterns over time.

by Vixen Co., Ltd.★ 5.03 ratingsEducationFreeData updated 2026-09-08

Comet Book screenshots

Ranked alternatives

Showing 361–380 of 1,000 ranked alternatives.

  1. Physics Calculators Converters app icon

    Physics Calculators Converters

    V PUGAZHENTHI

    Calculate and convert values

    Calculate physical quantities using formulas for force, kinetic friction, static friction, centripetal force, and more. Convert units for gravitational acceleration, angular acceleration, density, and water density.

    ★ 5.02 ratingsEducation$4.99Data updated 2026-09-09
  2. Solar Explorer 3D app icon

    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.

    ★ 5.02 ratingsEducationFreeData updated 2026-09-06
  1. Lander Pilot app icon

    Lander Pilot

    MYTHICOWL SP Z O O

    Land on planets and avoid asteroids

    Explore the Solar System and land on various celestial bodies. Navigate through space to avoid asteroids and land safely. Choose from multiple landing scenarios. Track progress and improve skills over time.

    ★ 5.011 ratingsGamesFreeData updated 2026-09-06
  2. Data Collection app icon

    Data Collection

    Christopher Wozny

    Record motion and timestamps

    Capture accelerometer, gyroscope, and magnetometer from iOS devices. Include time stamps and Apple's enhanced device motion for reference. Export raw for research or experimentation.

    ★ 3.110 ratingsEducation$0.99Data updated 2026-09-08
  3. Stroboscopic Effect app icon

    Stroboscopic Effect

    Magnin & Associates

    Rotate objects and see visual effects

    Explore the by rotating four objects clockwise or counterclockwise. Adjust speed to observe when objects appear stationary or reverse. Select a wheel with colored segments to analyze visual patterns during rotation.

    ★ 2.718 ratingsEducationFreeData updated 2026-09-08
  4. Hello Mars app icon

    Hello Mars

    Lockheed Martin corp

    Explore orbits and track real-time weather

    Get real-time weather data from the Curiosity Rover. Track planetary positions with accurate celestial mapping. Share observations on Twitter and Facebook.

    ★ 3.622 ratingsEducationFreeData updated 2026-09-10
  5. Nepy app icon

    Nepy

    Davide Baj

    ★ 4.615 ratingsReferenceFreeData updated 2026-09-08
  6. Virtual Planetarium Mobile app icon

    Virtual Planetarium Mobile

    Anhui Yiyebianzhou Network Information Technology Co., Ltd.

    Explore stars and constellations anytime

    View the night sky with real-time star and planet data. Explore constellations and celestial objects. Simulate solar eclipses, meteor showers, and planetary alignments. Learn about astronomy through interactive guides and facts.

    ★ 0.00 ratingsEducationFreeData updated 2026-09-06
  7. JGAP app icon

    JGAP

    SpocksClub

    ★ 4.06 ratingsEducationFreeData updated 2026-09-06

How we rank alternatives

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