Space.Calculator app icon

Apps Like Space.Calculator for iPhone and iPad

Check weight on other planets

Calculate a user's weight on different planets by inputting their mass and selecting a celestial body. Display results with scientific accuracy. Share findings via social media or email.

by Rajeev Kumar★ 0.00 ratingsEducationFreeData updated 2026-09-06

Space.Calculator screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. TerraGenesis - Space Settlers app icon

    TerraGenesis - Space Settlers

    Tilting Point LLC

    Terraform planets with real science

    Manage planetary ecosystems by adjusting temperature, atmosphere, and water levels. Track biosphere development and terraform planets using real NASA data. Complete missions to unlock new worlds and expand your interstellar empire.

    ★ 4.632,620 ratingsGamesFreeData updated 2026-09-10
  2. Solar Walk Ads+:Planets System app icon

    Solar Walk Ads+:Planets System

    Vito Technology Inc.

    Explore planets and space objects 3D

    Explore a 3D model of the with interactive planets, satellites, and space objects. Rotate and zoom to view celestial bodies. Learn about planetary facts and orbit paths. Share discoveries via social media.

    ★ 4.69,789 ratingsReferenceFreeData updated 2026-09-08
  3. Sky Guide app icon

    Sky Guide

    Fifth Star Labs LLC

    Identify stars, constellations, and planets

    Identify stars, constellations, planets, and satellites using augmented reality. View celestial objects with detailed information. Track movement of planets and satellites. Adjust settings for different sky conditions.

    ★ 4.8378,725 ratingsReferenceFreeData updated 2026-11-02
  1. Solar Smash 2D app icon

    Solar Smash 2D

    PARADYME LIMITED

    Break planets, float pieces, move freely

    Create and customize planets with drawing tools. Break planets into pieces with unique physics. Control or spawn spaceships for battles. Engage in space combat and destruction mechanics.

    ★ 4.713,345 ratingsGamesFreeData updated 2026-09-06
  2. Space Colonizers Idle Clicker app icon

    Space Colonizers Idle Clicker

    CapPlay Interactive Inc.

    Colonize planets and manage colonies

    Manage resources to expand your colony. Colonize planets and unlock advanced technology for spaceships and buildings. Upgrade infrastructure and automate resource gathering through gameplay. Track progress and strategize for long-term growth.

    ★ 4.72,113 ratingsGamesFreeData updated 2026-09-12
  3. Spiral Craft 3D app icon

    Spiral Craft 3D

    Dual Cat

    Build worlds, machines, explore planets

    Gather resources to build machines and create a world. structures, explore new planets, and unlock mechanical systems. Customize environments and manage inventory for progression.

    ★ 4.77,864 ratingsGamesFreeData updated 2026-09-06
  4. Idle Pocket Planet app icon

    Idle Pocket Planet

    Mum Not Proud S.A.P.I. de C.V.

    Explore planets, build fortresses, claim galaxies

    Grow planets into advanced fortresses and explore unusual galaxies. Claim new planets to expand your territory. Combine settlements and ships to build powerful constructs. Collect artifacts to fill a scientific journal.

    ★ 4.72,155 ratingsGamesFreeData updated 2026-09-06
  5. Solar Smash app icon

    Solar Smash

    PARADYME LIMITED

    Destroy planets with weapons and asteroids

    Destroy planets using weapons like nuclear missiles, lasers, monsters, spaceships, and asteroids. Customize attacks and watch planetary destruction animations. View space imagery from NASA sources during gameplay.

    ★ 4.8404,035 ratingsGamesFreeData updated 2026-11-02
  6. Space Explorer:Astronomy Guide app icon

    Space Explorer:Astronomy Guide

    SOAD HAMADEH

    Explore planets and stars

    Explore real-time sky maps and detailed views of planets, constellations, and celestial objects. Learn facts about astronomical phenomena. Track missions and view mission details. Set location and time for accurate sky navigation.

    ★ 4.86 ratingsEducationFreeData updated 2026-09-06
  7. Solar Walk: Space Simulator 3D app icon

    Solar Walk: Space Simulator 3D

    Vito Technology Inc.

    Explore the universe in 3D.

    The app presents a 3D model of the solar system, allowing interaction with planets, moons, and other celestial bodies. Users can observe objects in real time, make virtual flights, and travel through time to view the universe at different periods.

    ★ 4.78,165 ratingsEducation$4.99Data updated 2026-09-12
  8. Pocket PlanetARium: Explore AR app icon

    Pocket PlanetARium: Explore AR

    5Play Apps, LLC

    Explore planets in augmented reality

    Explore celestial bodies in augmented reality. View planets, stars, and galaxies with interactive 3D models. Adjust settings to toggle sound, display names, pause animations, or reset positioning.

    ★ 4.664 ratingsReferenceFreeData updated 2026-10-04
  9. Space Frontier 2 app icon

    Space Frontier 2

    Ketchapp

    Play, explore, and conquer

    Explore 50 solar systems and colonize hundreds of planets. Customize 50 spaceship technologies with unique designs like Laika the Dog or Pirate Ship. Build a galactic empire by expanding territories and managing resources.

    ★ 4.747,098 ratingsGamesFreeData updated 2026-09-14
  10. Kids A-Z app icon

    Kids A-Z

    Lazel, Inc.

    Explore planets, read eBooks, track progress

    Explore educational content with interactive space-themed planets featuring eBooks and activities. Complete quizzes and track progress via a dashboard. Designed for K-5 students, it includes privacy features and is free to download.

    ★ 3.66,630 ratingsEducationFreeData updated 2026-09-08
  11. Tizi Town - My Space Games app icon

    Tizi Town - My Space Games

    KidloLand Kids & Toddler Games

    Explore , play , collect planets

    Explore by navigating a spaceship through the solar system. Complete challenges, collect resources, and interact with alien characters. Track mission progress, unlock new planets, and customize your spacecraft with upgrades.

    ★ 4.8548 ratingsGamesFreeData updated 2026-09-19
  12. Space Gate: AR Solar System app icon

    Space Gate: AR Solar System

    Ali Samaei

    Explore celestial bodies and track planetary motion

    Explore celestial objects with 3D models and interactive maps. Learn about planets, stars, and galaxies through guided tours and educational content. Set bookmarks and revisit favorite locations. Share discoveries via social media.

    ★ 4.8195 ratingsEducationFreeData updated 2026-09-06
  13. Night Sky app icon

    Night Sky

    iCandi Apps Ltd.

    Identify celestial objects in real time

    Identify stars, planets, and constellations by pointing the device skyward. View celestial objects in augmented reality. Access detailed information about satellites and space stations. Use AI to guide and explain astronomical features.

    ★ 4.7498,197 ratingsReferenceFreeData updated 2026-11-02
  14. Pocket Galaxy: Space Sandbox app icon

    Pocket Galaxy: Space Sandbox

    Pocket Labs.

    Design galaxies, place planets, simulate orbits

    Create and simulate a custom with realistic physics. Adjust planet sizes, positions, and orbits. Explore 3D space environments and test gravitational interactions. Save and share custom solar systems.

    ★ 4.89,953 ratingsGames$3.99Data updated 2026-09-12
  15. 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.

    ★ 4.897,587 ratingsGamesFreeData updated 2026-09-13
  16. Combo Critters app icon

    Combo Critters

    Lucky Kat Studios

    Combine , explore planets, battle foes

    Explore 9 planets to collect over 100 . Battle using a casual-RPG system against friends' social media profiles. Combine in a machine to evolve them. Features colorful pixel art and background music by Maxo.

    ★ 4.81,467 ratingsGamesFreeData updated 2026-09-10
  17. Celestia - Space Simulator app icon

    Celestia - Space Simulator

    Linfeng Li

    Explore celestial objects in 3D

    Explore celestial objects in real-time 3D. View planets, moons, star clusters, and galaxies with accurate positioning and movement. Navigate through at adjustable speeds. Zoom in on objects and observe their features. Save and share custom views.

    ★ 4.4325 ratingsEducationFreeData updated 2026-09-23

How we rank alternatives

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