129+ iOS apps & games curated and reviewed
If you already know Seabook Maritime, this is the deeper bench. 129+ 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 | 4.5★ (19) | No | No | May 2026 |
| 2 |  | Free | — | No | No | Jun 2026 |
| 3 |  | Free | 4.4★ (214) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 5 |  | $0.99 | — | No | No | Jul 2026 |
| 6 |  | $3.99 | 4.8★ (117) | No | No | Aug 2026 |
| 7 |  | Free | 4.7★ (14K) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 5.0★ (3) | No | No | Aug 2026 |
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.
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.
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 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.
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.
Lead the Roman Republic to glory in this strategy game blending tower defense and RPG elements. Conquer ancient Europe by building your army, upgrading your stronghold, and defeating barbarian clans. Experience epic battles and expand your empire.
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.
Track vessels live worldwide using AIS data. View ship positions, movements, and voyage history with detailed vessel information and enhanced weather monitoring. Unlock advanced features for deeper visibility and extended coverage with a Pro plan.
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.
Experience a unique tower defense game where luck dictates your strategy. Summon units, merge them for unpredictable outcomes, and test your fortune with a roulette feature to defeat waves of monsters.
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.
Explore a diverse collection of bell sounds, from everyday chimes to unique alerts. Discover the auditory richness of bells in various settings, enhancing your daily life with their distinct tones.
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.
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.