165+ iOS apps curated and reviewed
The best navigation rules pro apps on iPhone average 4.5★ across 165+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $4.99 | 4.8★ (433) | No | No | Jul 2026 |
| 2 |  | $3.99 | 4.8★ (376) | No | No | Jun 2026 |
| 3 |  | Free | 4.8★ (127K) | No | Yes | Jul 2026 |
| 4 |  | Free was $4.99 | 5.0★ (13) | No | No | May 2026 |
| 5 |  | Free | 5.0★ (4) | No | No | Jul 2026 |
| 6 |  | Free | 4.4★ (2.9K) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 4.2★ (2.8K) | No | Yes | Jul 2026 |
| 8 |  | Free | 3.5★ (2K) | Yes | Yes | Jul 2026 |
This app provides comprehensive boating regulations and reference materials, including international and inland navigation rules, sound and light signals, and communication information. It features quick references, calculators, and unit conversions for boaters.
Access the complete International Regulations for Preventing Collisions at Sea (COLREGs) and Inland Navigation Rules. This app provides a searchable, annotated version of boating regulations, ideal for quick reference and sharing information.
Navigate any terrain with offline GPS maps, even without cell service. Explore a vast Map Store for hiking, biking, and travel, or import your own custom maps. Record tracks, add notes, and identify your location precisely.
Prepare for USCG COLREG and OOD exams with a comprehensive study system. Features AI tutoring, interactive 3D visuals for lights and shapes, and a complete question bank with intelligent test modes and progress tracking.
Master USCG Navigation Rules with a comprehensive question bank and smart study features. Track your progress, practice for exams, and study offline to navigate with confidence.
Navigate large vehicles with intelligent routing tailored to your truck, RV, or bus specifications. Enjoy offline 3D maps, real-time traffic, and speed camera warnings for a safe and efficient journey. Access truck-specific points of interest and detailed vehicle settings.
This app provides a connected riding experience for powersports enthusiasts. It offers detailed maps, route planning, turn-by-turn navigation, and real-time friend tracking for snowmobiles, off-road vehicles, and watercraft. It also integrates with vehicle displays for seamless access to navigation and other apps.
Navigate roads safely and efficiently with voice-guided offline maps. Optimized routing for cars, trucks, and RVs helps you avoid restrictions, save time, and find points of interest. Enjoy a free trial before subscribing.
Navigate marine environments with detailed nautical charts and route planning. Track your location, find friends on the water, and share your trip details for safety. Offline chart access ensures reliable navigation even without an internet connection.
This app provides official, weekly updated nautical charts for marine navigation. It allows for offline map downloads, GPS track recording, and integration with onboard instruments. Enhance your boating safety and experience with advanced features like weather forecasts and AIS collision detection.
This app provides comprehensive Inland Navigation Rules for U.S. inland waters and the Great Lakes. It features over 100 custom illustrations and captions for easy learning, along with bonus emergency procedures for boaters.
This app provides comprehensive marine navigation tools, including worldwide chart coverage, weather forecasts, and AIS integration. It allows users to plan routes, track their position, and connect with onboard instruments for a complete boating experience.
This app helps you navigate and find your way back, even without an internet connection. Easily bookmark locations like your parked car or hiking trails, and receive precise directional guidance to return. Sync your saved spots across devices for seamless access.
This app helps anglers find the best times and locations to fish by providing detailed forecasts for tides, moon phases, weather, and marine conditions. It offers interactive maps to discover and save fishing spots, track routes, and access offline nautical charts, along with a catch logbook and fishing regulations.
Navigate anywhere with offline 3D maps and real-time traffic alerts. This app offers voice-guided directions, speed camera warnings, and advanced safety features like lane assistance and a Head-up Display. It also includes specialized modes for motorcyclists and features to help save money on parking and fuel.
Find exact routes and get turn-by-turn voice guidance to your destination. Discover nearby places like gas stations, restaurants, and parks with live traffic updates. Explore the world through voice-enabled maps.
This app provides comprehensive marine navigation, integrating charts, weather, tides, and GPS tracking. It simplifies route planning and offers real-time safety data to ensure confident and enjoyable time on the water for various boating activities.
Navigate your world with detailed offline maps and turn-by-turn directions for driving, biking, and walking. Enjoy real-time traffic updates and public transport information, all while prioritizing your privacy. Unlock advanced features with an optional subscription.
This app provides comprehensive guidance on maritime navigation rules and signals. It offers detailed information on flags, lights, sounds, and buoyage systems, along with interactive quizzes and a map feature. Designed for sailors, it ensures safe navigation on any vessel.
Access current Washington sport fishing rules and emergency changes for all state waters. Log catches offline, check license privileges, and find fishing spots with interactive maps. Includes NOAA tidal predictions and harvest limits.