233+ iOS apps curated and reviewed
The best astronomy app free daily on iPhone average 4.4★ across 233+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free was $0.99 | — | No | Yes | Jul 2026 |
| 2 |  | Free | 4.5★ (23) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 4.7★ (188) | No | Yes | Aug 2026 |
| 4 |  | Free | 4.6★ (25K) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.8★ (2.8K) | No | Yes | Aug 2026 |
| 6 |  | Free | — | No | No | May 2026 |
| 7 |  | Free | 4.6★ (14K) | No | Yes | Aug 2026 |
| 8 |  | Free | 5.0★ (1) | — | No | Jul 2026 |
Discover a new stunning image or video of the universe daily, accompanied by expert explanations. Save, explore past images, and share cosmic wonders with friends. Get notified for new daily discoveries.
Explore the cosmos with a 3D planetarium and real-time celestial event tracking. Identify stars and planets using your device's sensors and AR, and receive notifications for upcoming astronomical phenomena. Access detailed information and simulations from any location.
Explore stunning, high-resolution astronomy photos from NASA. Save and share your favorites, or search for images from a specific date. Add widgets to your home screen for daily cosmic views.
Explore the cosmos with this augmented reality astronomy app. Point your device at the sky to identify stars, planets, and constellations in real-time. Discover celestial bodies and their positions, even traveling through time to view the universe's past and future.
Stay updated with the latest astronomy and space exploration news. Discover exoplanet findings, astrobiology advancements, and the search for extraterrestrial life. Enjoy stunning space photos and educational videos from leading space agencies.
Plan your stargazing adventures and capture stunning photos of the night sky. Get real-time weather, visibility scores, and a unique hourly stargazing index based on multiple criteria. Discover what planets, stars, and constellations are visible from your location.
Plan your stargazing sessions with this astronomy app. It provides real-time observing conditions, weather forecasts, lunar information, and visible celestial objects to help you make the most of your nights under the stars.
Stay updated with the latest astronomy news, videos, and photos. This guide offers constantly updated content for enthusiasts. Designed universally for various Apple devices.
Discover celestial objects for your telescope and plan stunning astrophotography shots. Save favorite targets, simulate camera framings, and create intricate mosaics. Explore a community gallery of breathtaking astrophotography.
Identify stars, constellations, planets, and satellites in real time by pointing your device at the sky. Explore celestial objects, track satellites, and discover what's visible tonight with AR overlays and time travel features.
Stay informed about celestial events with timely notifications and detailed explanations. Discover astronomical news and track moon sighting predictions and past results. Never miss an eclipse, meteor shower, or planetary alignment again.
Explore the night sky with a real-time planetarium. Identify stars, planets, constellations, and satellites by simply pointing your phone. Offers detailed astronomical data and cultural constellation interpretations.
Access NASA's Astronomy Picture of the Day with customizable widgets. View today's, random, or favorite images, and browse past APODs. Share your discoveries with ease.
Identify stars, constellations, satellites, and more by simply pointing your device at the sky. This augmented reality app makes stargazing accessible to everyone, day or night. Explore celestial paths and even travel through time to view the sky on different dates.
This astronomy companion app, after 12 years of updates, is being retired. A more advanced version, Luminos Pro, is available with new features and ongoing support. This version remains accessible for existing users.