Navitime Marine
Navigation & COLREGS Exam Prep
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
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/
• Fixed duplicate Morning Forecast and Evening Forecast notifications.
• Improved notification schedule cleanup and reliability.
• Stability fixes and refinements.
The developer, Khalid Alyafei, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Contact Info
- User Content
- Identifiers
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Khalid Alyafei
- Size
- 69.9 MB
- Category
- Education
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Contains
User-Generated Content
Social Media
- In-App Purchases
Yes
- Navitime Pro Monthly $4.99
- Navitime Pro Annual $49.99
- Navitime Pro Annual $49.99
- Navitime Pro Monthly $4.99
- Copyright
- © 2026 Navitime