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Best Free Astronomy Apps

8 free options ranked by user ratings.

1. Stellarium Mobile - Star Map — 4.8★ ✓ Updated 22 days ago

35,780 ratings · By Noctua Software Ltd · 422 MB

2. Sky Guide — 4.8★ Updated 1 months ago

357,508 ratings · By Fifth Star Labs LLC · 419 MB

3. NASA — 4.8★ ⚠ Last updated 7 months ago

63,604 ratings · By NASA · 48 MB

4. Sky Tonight - Stargazing Guide — 4.8★ Updated 2 months ago

70,379 ratings · By Vito Technology Inc. · 503 MB

5. Night Sky — 4.7★ Updated 1 months ago

479,521 ratings · By iCandi Apps Ltd. · 1.3 GB

6. Star Walk：Find Stars & Planets — 4.7★ ⚠ Last updated 2 years ago

25,018 ratings · By Vito Technology Inc. · 184 MB

7. Star Walk 2 Plus: Live Sky Map — 4.6★ ✓ Updated 28 days ago

91,988 ratings · By Vito Technology Inc. · 367 MB

8. SkyView® Lite — 4.5★ Updated 5 months ago

18,634 ratings · By Terminal Eleven LLC · 122 MB

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