COLREG app icon

Apps Like COLREG for iPhone and iPad

by Oleksandr Kuzmychov★ 0.00 ratingsNavigation$0.99Data updated 2026-09-06
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Ranked alternatives

Showing 321–340 of 1,000 ranked alternatives.

  3. NaVoS app icon

    NaVoS

    Emigma, multimedijski laboratorij, d.o.o.

    ★ 0.00 ratingsNavigationFreeData updated 2026-09-06
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  5. FT8 Decoder app icon

    FT8 Decoder

    Ronald Nicholson

    Decode FT8 signals from audio input

    Decode FT8 signals from audio or SDR sources. Support Level 1 decoding for standard callsigns or 13-character text. Generate FT8 message audio for testing. View decoded messages and metadata.

    ★ 4.28 ratingsUtilities$1.99Data updated 2026-09-06
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  7. Signal Flags International app icon

    Signal Flags International

    Gigs, Inc.

    Recognize and interpret maritime flags.

    The app provides images and usage descriptions for all 40 international code flags. It includes a quiz for memorization and the complete International Code of Signals document for reference.

    ★ 0.00 ratingsReference$2.99Data updated 2026-09-13
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  8. C-Scope app icon

    C-Scope

    Electronic Chart Centre AS

    ★ 0.00 ratingsNavigationFreeData updated 2026-09-08
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  11. Power & Sail NZ BOI app icon

    Power & Sail NZ BOI

    Sail South Pacific Ltd.

    Navigate anchorages and waypoints offline

    Navigate safely in New Zealand's Bay of Islands waters offline. Access entry points, waypoints, and detailed anchorage information including 40+ locations with photos, videos, and activities. Find facilities, marinas, boat ramps, and dive fills.

    ★ 5.02 ratingsNavigation$22.99Data updated 2026-09-06
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  12. KNF Solutions app icon

    KNF Solutions

    Eric Weinert

    Make with precise measurements

    Calculate nutrient for plant growth stages. Input gallons or liters to determine dilution ratios. Generate recipes for Seed Soak, Leaf Growth, Flower, Fruit, and Enhanced Ripening .

    ★ 4.711 ratingsProductivity$3.99Data updated 2026-09-06
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  13. NavLink HD app icon

    NavLink HD

    Digital Yacht Ltd

    Plot courses and track your route

    View real-time GPS position on the map. Overlay live AIS ship data when connected. Plot course and track trips.

    ★ 4.211 ratingsNavigationFreeData updated 2026-09-12
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  16. Illinois CDL Test 2025 app icon

    Illinois CDL Test 2025

    Samsuddin Ahmed Sohag

    Study CDL exam topics and practice tests

    Learn traffic signs and signals through interactive content. Identify and respond to various traffic scenarios. Study comprehensive material to prepare for the CDL exam. Track progress and review key topics for exam success.

    ★ 5.02 ratingsEducationFreeData updated 2026-09-06
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How we rank alternatives

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