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.
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.
Exeersoft Inc
Track events, set reminders, switch languages
Displays dates in Persian, Islamic, and Gregorian calendars. Users can switch between English and Farsi languages. It shows international holidays and Persian events. Features include daily, monthly, and annual views.
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.
Vito Technology Inc.
Identify celestial objects
Explore the night sky by identifying celestial objects, tracking astronomical events, and locating specific space bodies. Adjust constellation visuals, set reminders for celestial events, and customize the experience.
Juicestand Inc
Read , track discoveries, explore
Read and share articles about , exploration, exoplanets, and astrobiology. Follow updates from NASA, ESA, and other agencies. View high-resolution images from observatories. Save and organize favorite stories. Subscribe to alerts for new content.
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.
Pocket Labs.
Create and simulate galaxies in 3D
Create and simulate custom galaxies with realistic physics. Place and customize planets, stars, and other celestial bodies. Adjust orbital paths and gravitational forces. Explore 3D space and test planetary interactions.
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