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★★★★★
Average rating on the App Store. Apple doesn't publish how many ratings each star has.
Where this app stands in Denmark, updated 17 Oct 2026
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#94 –
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• Supports now dark modus. • Alphabetical star list as option. • Bug fixes, e.g. fixed missing possibility to enter negative index error on some devices.
This app does all the calculations to reduce a sextant reading to a line of position on the map. All intermediate numbers are shown to check your manual calculations. • Perpetual nautical almanac • Calculation of the line of position (azimuth and distance) • Draws the line of position on the map. • Star Finder: just point your device to the sky to identify the navigational stars. • Save your readings, choose what to show on the map. A sextant is required to make full use of this app.