Showing 1–20 of 1,000 ranked alternatives.
Yakov Manshin
View and read explanations
View images and accompanying explanations from NASA’s Astronomy Picture of the Day. Save favorite photos to a personal collection. Access the full APOD archive dating back over 30 years. New images are available daily around midnight ET.
Mark Hambly
View today's , random, or favorites
View and share Pictures of the Day. Access current and past APODs. Browse feeds of random or favorite images. Save and share preferred APODs. Display APODs via widgets on home screen.
Israel Graveran
Space facts and images daily
Take daily space quizzes based on NASA’s Astronomy Picture of the Day. Choose correct answers from four options. Learn facts about celestial objects. Access real-time, accurate content directly from NASA’s feed.
APPS BAY LIMITED
Explore space images and astronomy news
Explore astronomy with daily high-quality space images and wallpapers. Access latest NASA news and discoveries. Search astronomy keywords in a comprehensive database. Learn about missions, spacecraft, and space observations.
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.
NASA
Stream videos, view images, and explore space
Access + videos without a subscription. View over 21,000 latest images. Explore mission details and news. Listen to podcasts. Use augmented reality to interact with space content. Track live coverage and on-demand series.
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.
Simulation Curriculum Corp.
Hold device to sky and locate celestial
View celestial objects like planets, comets, and stars using augmented reality. Locate constellations and deep sky objects by pointing the device at the sky. Track real-time satellite positions and see what others are observing through OneSky.
Aaron Day
Explore space with high-res images
Explore high-resolution images of planets, nebulae, and galaxies. Navigate through the solar system and its major moons. Learn about the formation and evolution of celestial objects. Access a narrative on the origins of the universe by Dr. Aaron Day.
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