135+ iOS apps & games curated and reviewed
If you already know Marinus, this is the deeper bench. 135+ colreg apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.4★ (214) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.5★ (19) | No | No | Aug 2026 |
| 3 |  | Free | — | No | No | Aug 2026 |
| 4 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 5 |  | $3.99 | 4.8★ (117) | No | No | Aug 2026 |
| 6 |  | $0.99 | — | No | No | Jul 2026 |
| 7 |  | Free | 3.0★ (2) | No | No | May 2026 |
| 8 |  | Free was $1.99 | 5.0★ (1) | No | Yes | Aug 2026 |
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.
This app provides essential maritime information for seafarers and shore-based professionals. It serves as an offline reference for ship stability, navigation, regulations, and marine engineering, aiding in safer seas and cleaner waters.
Practice maritime navigation rules and buoyage systems with this app. It helps you identify knowledge gaps and track your progress in mastering essential regulations for mariners.
Learn and practice sailing navigation rules with interactive 3D simulations. This app offers a didactic and fun approach to mastering collision avoidance and safe navigation on the water.
Master maritime collision regulations with interactive flashcards. Learn about vessel lights, shapes, and sounds to improve navigation skills, especially in low visibility. Track your progress and gain confidence at sea.
Master maritime navigation with this comprehensive guide to the International Regulations for Preventing Collisions at Sea. Learn about ship lights, day shapes, sound signals, and access the full COLREGs for safe sailing.
Get real-time bus wait times and route information for your favorite lines. Plan your journeys with schedule details, fare prices, and convenient top-up locations for your transit card.
Master navigation lights and day shapes for skipper exams with this flashcard app. It uses spaced repetition to build lasting visual memory, tracks your progress, and resurfaces difficult configurations until they stick. Study offline with no ads or subscriptions.
This app provides comprehensive maritime regulations and codes, including collision prevention, international signals, life-saving appliances, and safety at sea conventions. It also features weather forecast reading and maritime dictionaries.
Prepare for your USCG OUPV examination with this comprehensive learning program. It offers over 1,300 practice questions, instant feedback, and detailed explanations to help you master the Nautical Inland and International Rules of the Road.
Order food ahead for pickup at local restaurants. Earn loyalty stamps with each purchase to get free items. Enjoy delicious, seasonal meals at various locations.
Prepare for U.S. Coast Guard and FCC license exams with a comprehensive study platform. Access thousands of questions, track your progress, and take practice exams offline. Sync your learning across app and web versions.
Learn maritime navigation rules with an interactive system designed for effective retention. This app breaks down complex regulations into manageable sections with visual aids and mnemonics. It revisits incorrect answers and provides instant graphical feedback, making the learning process intuitive and efficient.
This app provides essential knowledge for seafarers to understand navigation rules and prevent collisions. It features clear illustrations and easy navigation for quick reference, with a test yourself section to check understanding.
This marine app provides essential quick reference knowledge for seafarers to identify vessels and their activities according to ColRegs. It features over 100 graphics and an interactive quiz to test understanding of navigation lights and day shapes.
Learn sailing basics, right-of-way rules, and signals. Practice maneuvers and prepare for tests with interactive lessons and challenges based on international regulations. Offers a subscription for full content access.