Showing 141–160 of 1,000 ranked alternatives.
Richard Raue
Play quizzes and download new questions
Play quizzes with up-to-date questions downloaded regularly. Access over 6000 questions . Choose from five different game modes. Download and play quizzes without an internet connection. Track progress through various difficulty levels.
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.
John Kennedy
Track celestial objects and view sky grid
View the positions of the Sun, Moon, and planets on an intuitive sky grid. Slide a time bar to forecast celestial appearances. Navigate without augmented reality or motion tracking.
Hanno Rein
Find with your device's camera
Locate in the night sky using device camera. Display red target marker indicating comet position. Use location and NASA JPL ephemerides for accurate positioning.
Yateland Kids Limited
Explore cosmic missions through challenges
Learn through interactive challenges and block-based programming. Navigate a spaceship through the cosmos while solving puzzles. Complete missions to unlock new levels and characters. Track progress and earn rewards throughout the space .
Michael Howard
View Earth's Moon in 3D.
The app renders the Moon in realtime 3D using satellite imagery and topographic data. Users can manipulate the view, adjust sunlight, and see labeled terrain features and spacecraft.
Vladimir Bayatov
Knowledge with quizzes
Knowledge with questions on topics like population, religion, and capitals. Shuffle questions randomly each session. Skip unknown answers. Play one-on-one multiplayer matches.
Jennifer Sipila
Explore Mars images by camera and date
Explore Mars images from NASA's Curiosity using camera, date, and sol date filters. View archived photos and learn about Mars time and the mission. Save selected images to your device's photo library. Share photos via email.
Junior Achievement USA
Buy robot parts, sell for profit
Learn about profit and expenses through business simulations. Buy and sell robot parts across alien worlds. Explore planets, excavate resources, and build custom robots. Track financial metrics and manage inventory.
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