Navitime Marine
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Description
Navitime is the complete study, navigation and exam-prep companion for
maritime Rules of the Road (COLREGS / IRPCS) — built for deck officers,
cadets, sailors, and anyone preparing for a navigation exam.
STUDY
Full COLREGS Rules 1–41 + Annexes, bilingual English/Arabic
Navigation lights, shapes, sound signals and flags with visual diagrams
Advanced Navigation library — 8 books, 57 chapters, with rich diagrams,
worked examples and image zoom (Position & Charts, Celestial Navigation,
The Instrumented Bridge, Handling the Ship, Maritime Regulations,
Weather & Water, Blind Pilotage, and the core Navigation Handbook)
Naval Formations reference — 17 tactical formation topics
AI COLREGS tutor — ask any Rules of the Road question and get an instant
explanation, with recommended quiz categories and study sections
QUIZ
Category-based quizzes across every COLREGS topic
Timed quiz mode and a full Mock Exam covering all categories (Pro)
Flashcard study mode (Pro)
Weak-areas mode — drills the questions you get wrong most
Detailed per-answer explanations, quiz history and progress tracking
NAVIGATION TOOLS
GPS Radar — live nearby vessel (AIS) and aircraft traffic on a radar
display, with a combined distance-sorted traffic list
GNSS Scan Tool — satellite constellation status and interference map
Chart Plotter — dead reckoning and fix chartwork practice
VHF radio channel directory by country/port
Beaufort & Douglas sea-state scales with live marine conditions
Sun & Moon and Tide tools, with a "show the working" calculation mode
Morse code converter and unit converter
100% OFFLINE
All study content, the rule book, and every quiz work with no internet
connection. Progress, bookmarks, and history are saved locally on your device.
DESIGNED FOR EVERYONE
Full bilingual English/Arabic support with right-to-left layout
Dark and light theme, switchable anytime
No ads, no tracking, no account required
FREE FOR EVERYONE
Every feature is fully unlocked — no subscription, no ads, no account required.
GROUP CHALLENGES
Host or join a live group quiz session with friends or colleagues.
(Requires internet.)
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/