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 121–140 of 1,000 ranked alternatives.

  1. Solar System - HD app icon

    Solar System - HD

    Magicbox Animation Private limited

    Explore planets, moons, and the Sun

    Explore the with detailed descriptions of the Sun, 8 major planets, and the Moon. Listen to quality audio explanations. Access complete information about each celestial object.

    ★ 4.026 ratingsEducationFreeData updated 2026-09-09
  2. 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.

    ★ 4.81,163 ratingsReference$0.99Data updated 2026-09-10
  3. SimpleRockets app icon

    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.

    ★ 4.6684 ratingsGames$2.99Data updated 2026-09-08
  1. solAR System Augmented Reality app icon

    solAR System Augmented Reality

    Ubicolor Ltd

    Explore planets, zoom, and measure distances

    Explore the using . Zoom in and out to adjust scale. View planet sizes, distances, and rotation speeds. Tap planets to see distance in meters and view detailed models. Stop rotations to walk around the .

    ★ 4.7398 ratingsEducationFreeData updated 2026-09-06
  2. Astrophysics I app icon

    Astrophysics I

    Xavier Daxhelet

    Explore solar system with 3D animations

    Explore the solar system with detailed explanations and over 40 animations, including 3D models. Learn about coordinate systems, time measurement, and gravitational concepts.

    ★ 4.49 ratingsReference$3.99Data updated 2026-09-08
  3. Stars and Planets - Astronomy app icon

    Stars and Planets - Astronomy

    Andrei Nistorescu

    Explore celestial bodies and space missions

    Explore the universe with 3D models of and . Navigate through space to view celestial objects. Access detailed information about galaxies, , and planetary systems. Zoom in on celestial bodies and learn about their characteristics.

    ★ 4.71,055 ratingsEducationFreeData updated 2026-09-06
  4. School Lock app icon

    School Lock

    H3Apps LLC

    Practice combinations with timed sequences

    Practice opening lockers with a right-left-right sequence. Learn correct direction for each combination number. Track progress and repeat exercises to improve speed and accuracy.

    ★ 4.51,136 ratingsEducation$0.99Data updated 2026-09-08
  5. 3D Car Puzzle - Watch & Phone app icon

    3D Car Puzzle - Watch & Phone

    Diem Le

    Solve 3D car puzzles and progress through

    Solve 3D car puzzles with 1000+ handcrafted levels. Rotate and assemble car parts to complete each level. Track progress and unlock new challenges. Features clean visuals, smooth animations, and logical problem-solving.

    ★ 4.41,163 ratingsGamesFreeData updated 2026-09-06
  6. Astro Informations app icon

    Astro Informations

    Xavier Daxhelet

    Track celestial positions and data

    View celestial events like sunrise and sunset times, planetary positions, and declination data. Adjust date and time to check ephemeris for the Sun, Moon, and planets. Access physical properties of celestial bodies including distance and mass.

    ★ 4.08 ratingsReferenceFreeData updated 2026-09-08
  7. Thoughts - the mind generator app icon

    Thoughts - the mind generator

    Corvin Hartmann

    Explore thought experiments and paradoxes

    Explore thought experiments and philosophical dilemmas in science and society. Read concise explanations of paradoxes and theoretical scenarios. Reflect on complex ideas through structured text summaries.

    ★ 4.879 ratingsReferenceFreeData updated 2026-09-06
  8. mySolar - Build your Planets app icon

    mySolar - Build your Planets

    Oscar Tsang

    Solar systems, collect resources, defeat emery solars

    Play as a God, collect GP and MP to expand solar system. Defeat enemy solars to gain resources. and customize freely. Manage resources to grow and upgrade space empire.

    ★ 4.2394 ratingsEntertainment$11.00Data updated 2026-09-06
  9. Planetary Clock app icon

    Planetary Clock

    Piotr Knapczyk

    Track positions in real time

    View positions of all solar system planets at any date. Adjust time to see real-time movements. Display accurate orbit sizes, eccentricity, and orbital shapes based on NASA data. Show realistic planet sizes relative to each other.

    ★ 4.934 ratingsEducation$0.99Data updated 2026-09-09
  10. Midnight Planets app icon

    Midnight Planets

    Michael Howard

    View rover images in 3D and panoramas

    View Mars rover images in panoramic context with 3D options. Explore photos from Curiosity, Spirit, and Opportunity. Navigate terrain and compare images over time. Save and share selected views.

    ★ 4.5135 ratingsReferenceFreeData updated 2026-09-08
  11. Toddler Puzzle Games for Kids◦ app icon

    Toddler Puzzle Games for Kids◦

    KidloLand Kids & Toddler Games

    Solve puzzles and learn about animals

    Teach children to recognize animals, vehicles, and nature elements through jigsaw puzzles. Solve themed puzzles featuring dinosaurs, insects, and space. Includes interactive pieces for toddlers and kids.

    ★ 4.21,029 ratingsEducationFreeData updated 2026-09-06
  12. Star Rover HD - Night Sky Map app icon

    Star Rover HD - Night Sky Map

    寒飞 易

    Explore celestial objects in real time

    View a real-time map based on your location. Identify stars, planets, constellations, and the moon. Adjust the view by moving your device. Zoom in for detailed celestial objects. Share observations or save screenshots of the sky.

    ★ 4.797 ratingsEducation$1.99Data updated 2026-09-08
  13. xSky app icon

    xSky

    Oleg Sur

    Zoom in on celestial objects

    View celestial objects like the Sun, Moon, planets, stars, and galaxies. Zoom up to a million times with pinch gestures. Lock the screen to stabilize the view. Use the search arrow to locate sky objects.

    ★ 4.380 ratingsEducationFreeData updated 2026-09-09

How we rank alternatives

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