A space exploration app built for curious minds. Journey through galaxies, black holes, asteroids, and dwarf planets — all in your pocket.
✦ What's Inside
Explore 8 planets, 13 moons, and the Sun with real NASA photography. Quiz questions for every object.
FREEVoyage 2.5 million light years to our nearest spiral galaxy. Discover deep-space objects and satellite galaxies.
⭐ PREMIUMConfront the most extreme objects in the universe — from Sagittarius A* to the first-ever photographed M87*.
⭐ PREMIUMTravel the asteroid belt and meet sample-return targets like Bennu and Ryugu — relics from the early Solar System.
⭐ PREMIUMMeet Pluto, Eris, Haumea, Makemake, and Ceres — worlds too small to be planets, too fascinating to ignore.
⭐ PREMIUM✦ Why COSMOS
Cosmic map with floating regions, nebula glows, and smooth animations.
Test your knowledge with quick quizzes after exploring each object.
Earn achievement badges as you explore and complete quizzes.
Track which planets and objects you've visited across all regions.
All data stored locally. No accounts, no tracking, no ads.
No subscription. Pay once, explore forever.
Questions, feedback, or press inquiries? We'd love to hear from you.
✉ tech@clk.company