Out of 241+ iala navigation marks apps on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
Compare top Iala Navigation Marks Apps (October 2026)
A quick reference guide for sailors and students to identify maritime navigation marks according to the IALA system. It covers buoy shapes, colors, topmarks, and light rhythms for various mark types, aiding in exam preparation and on-water identification.
This marine navigation tool provides essential functions for sailors, yachts, and boats. It includes a speedometer, position tracking, waypoint management, distance measurement, and course guidance to waypoints.
Navigate your city with detailed maps, real-time traffic, and multi-modal routing. Find businesses, get directions by car, public transport, bike, or foot, and access offline maps for over 2000 cities.