Apps Like Astro Viewer for iPhone and iPad
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.




NASA
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.


Hubble: Deep Space
Alparslan Topbas
Explore galaxies and nebulae
Explore high-resolution images of galaxies, nebulae, and celestial objects captured by the Telescope. View the "Picture of the Week" and access real-time ESA/ RSS updates. Zoom in on detailed cosmic imagery and save or share favorite images.






Space Spot!
Peter Leary
Track ISS passes and live streams
View upcoming ISS passes and detailed pass information. Track next pass countdown and receive notifications. Share pass details easily. Access past and future ISS trajectories. Watch live NASA ISS streams. No cost.



James Webb Tracker
KAKHA GIORGASHVILI
Track celestial objects and view telescope data
Track the Space Telescope’s mission with real-time updates and news. View high-resolution images and scientific data. Explore telescope specifications and mission milestones. Receive alerts on major discoveries and events.


Galaxy Map
Andrei Nistorescu
Explore galaxies and planets interactively
Explore a 3D map of the Milky Way, Andromeda, and their satellite galaxies. Navigate through the Orion Arm to view nebulae and supernovae. Fly through planetary atmospheres and land on planets.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.