9+ iOS apps curated and reviewed
Looking for free ez sextant apps? 2 of our 9+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $24.99 | 5.0★ (4) | No | No | Oct 2026 | |
| 2 |  | Free | — | No | No | Oct 2026 | |
| 3 |  | $24.99 | 5.0★ (1) | No | No | Sep 2026 | |
| 4 |  | $9.99 | 5.0★ (5) | No | No | Oct 2026 | |
| 5 |  | $29.99 | 4.9★ (26) | No | No | Oct 2026 | |
| 6 |  | Free | 5.0★ (3) | No | No | Aug 2026 | |
| 7 |  | $0.99 | — | No | No | Sep 2026 | |
| 8 |  | $1.99 | 4.2★ (15) | No | No | Oct 2026 |
Navigate open waters using your phone's camera to sight celestial bodies. This app plots lines of position and combines them for an estimated location on a lat/lon grid. It's a powerful tool for offshore navigation without relying on GPS.
Simulate using a sextant to measure latitude by sighting the sun and horizon. Includes tools for calculating declination, local solar noon, and basic surveying.
This app provides pre-computed lunar distance tables and guidance for performing celestial navigation calculations, similar to methods used over a century ago. It includes all necessary tables and functions to assist users in planning, observing, and computing Greenwich time for lunar observations, with optional output to printable forms.