250+ iOS apps curated and reviewed
The best celestial navigation apps on iPhone average 4.2★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $1.99 | 4.2★ (15) | No | No | Sep 2026 | |
| 2 |  | Free | 4.3★ (10) | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.8★ (375K) | No | Yes | Oct 2026 | |
| 4 |  | Free | 5.0★ (2) | No | No | Oct 2026 | |
| 5 |  | $29.99 | 4.9★ (26) | No | No | Sep 2026 | |
| 6 |  | Free | — | No | No | Jun 2026 | |
| 7 |  | Free | 4.3★ (6) | No | No | May 2026 | |
| 8 |  | Free | 4.7★ (495K) | No | Yes | Oct 2026 |
This application assists with celestial navigation by performing sextant sight reduction calculations. It displays intermediate numbers for verification and can draw lines of position on a map. Features include a perpetual nautical almanac and a star finder to identify celestial bodies.
This app provides tools for celestial navigation, offering computations for celestial bodies and sight reductions. It includes an offline perpetual almanac and allows for quick capture of observation data for accurate course adjustments.
Identify stars, constellations, planets, and satellites in real-time by holding your device overhead. Explore celestial bodies with AR overlays, track satellites like the ISS, and travel through time to view past and future astronomical events. Perfect for both novice and experienced stargazers.
