Nautical Calculator Pro app icon

Apps Like Nautical Calculator Pro for iPhone and iPad

Calculate routes and track positions

Calculate routes and determine points on Rhumb Line, Great Circle, and WGS84. Compute average speed and estimated time of arrival. Plan routes with manual waypoints and create waypoint routes. Support composite sailing calculations.

by Giacomo Gabriele★ 5.03 ratingsNavigation$8.99Data updated 2026-09-17

Nautical Calculator Pro screenshots

Ranked alternatives

Showing 381–400 of 1,000 ranked alternatives.

  1. iStreams English Channel app icon

    iStreams English Channel

    Colin Porteous

    Track tidal streams and measure set rates

    Displays real-time tidal stream data for the , referencing the nearest Dover high water time. Shows valid hourly streams charts and time periods. Allows users to measure tide set and interpolated rates.

    ★ 0.00 ratingsNavigationFreeData updated 2026-09-17
  2. iStreams Portland app icon

    iStreams Portland

    Colin Porteous

    Track tides and set times offline

    Displays real-time tidal stream data for , referencing the nearest Devonport high water time. Shows valid hourly streams charts with time periods. Automatically updates to the next valid chart period. Measures tide set and interpolated rates.

    ★ 0.00 ratingsNavigationFreeData updated 2026-09-17
  3. iStreams North Sea (NW) app icon

    iStreams North Sea (NW)

    Colin Porteous

    Track tidal streams and measure set rates

    Displays real-time Sea tidal stream data based on the nearest Dover high water time. Shows valid hourly streams and time periods. Auto-updates to the next valid period. Includes tools to measure tide set and interpolated rates.

    ★ 0.00 ratingsNavigationFreeData updated 2026-09-17

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.