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.
5.0(17 ratings)
Free
Best CBDR alternatives: apps like CBDR
7+ similar apps compared and reviewed
4.5 avg rating
6 free apps
Updated November 2026
Looking for something like CBDR? We've analyzed 7+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.
Top Alternatives to CBDR
5.0(5 ratings)
Free
Master maritime navigation rules with exam-style drills and custom quizzes. This app provides a comprehensive reference to COLREGS, helping users confidently recall regulations for exams and safe boating. Track progress and focus on weak areas for effective learning.
USCG Exam Prep by Equitable Management Limited
OUPV & Captains License PrepWorth Considering
📚 Education
3.4(10 ratings)
FreeIn-App Purchases
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.
