# USCG Prep - Exam Study > AI tutor for USCG license exams: OUPV, captain, Deck, Engine, Rules of the Road Canonical page: [https://chrome-stats.com/d/com.avunia.uscgprep](https://chrome-stats.com/d/com.avunia.uscgprep) ## Overview - **ID:** `com.avunia.uscgprep` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Avunia - **Category:** EDUCATION - **Downloads:** 8 - **Version:** 1.1 - **Last updated:** 2026-09-04 - **First published:** 2026-07-25 - **Publisher country:** TR - **Size:** 66 MB - **Data as of:** 2026-09-11 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.avunia.uscgprep) - **Website:** [https://uscgprep.com](https://uscgprep.com/) - **Privacy policy:** [https://uscgprep.com/privacy](https://uscgprep.com/privacy) ## Description IMPORTANT DISCLAIMER
USCG Prep is an independent study app. It is NOT associated with, endorsed by, affiliated with, or approved by the United States Coast Guard, the National Maritime Center (NMC), or any government agency. USCG Prep does not issue, process, or facilitate any license, credential, or official government service. It is a practice and study tool only.

USCG Prep helps you prepare for United States Coast Guard merchant mariner credential exams - OUPV (six-pack), Master, Mate, and Deck or Engine ratings - with a practice question bank, AI explanations, and adaptive review.

SOURCES OF EXAM CONTENT
All practice questions and reference material in this app are compiled from the following publicly available official sources:

1. U.S. Coast Guard National Maritime Center (NMC) - published Merchant Mariner Credential sample examination questions and Deck / Engineering examination guides:
https://www.dco.uscg.mil/nmc/examinations/

2. Navigation Rules (International COLREGS and Inland Rules), published by the U.S. Coast Guard Navigation Center:
https://www.navcen.uscg.gov/navigation-rules-amalgamated

3. Title 46, Code of Federal Regulations (Shipping), published by the U.S. Government:
https://www.ecfr.gov/current/title-46

4. Title 33, Code of Federal Regulations (Navigation and Navigable Waters), published by the U.S. Government:
https://www.ecfr.gov/current/title-33

Hints, explanations, and AI chat answers are generated by USCG Prep using AI based on the sources listed above. They are study aids, may contain errors, and are not official USCG guidance. For authoritative and current information, always refer to the official sources.

KEY FEATURES

AI Chat Tutor
Ask a question about USCG exam material and get an AI-generated explanation, available any time.

AI Explanations for Every Answer
Every practice question includes an AI-generated explanation of why an answer is right or wrong.

Adaptive Spaced Repetition
The app tracks your attempts, identifies weak topics, and schedules review around them.

Practice Exam Simulation
Timed, full-length exams in the published USCG sample exam format.

Deck, Engine, and Rules of the Road
Deck exams, Engine exams, and Rules of the Road, from Inland to Near Coastal to Oceans.

Personalized Study Plans
Enter your exam date and target rating, and the app builds a study schedule around your weak areas.

Analytics and Progress Tracking
Score trends, topic-by-topic breakdowns, time-per-question analysis, and readiness estimates.

Offline Study Mode
Downloaded content and practice questions work without an internet connection.

Cross-Device Sync
Progress, streaks, and analytics sync across devices.

CREDENTIAL LEVELS COVERED
OUPV (Six-Pack), Master 25/50/100 GRT, Mate 200/500 GRT, Third / Second / Chief Mate, Officer in Charge of a Navigational Watch (OICNW), Third / Second / Chief Engineer, Master of Steam or Motor Vessels, Rules of the Road (all waters)

SUBSCRIPTION REQUIRED

USCG Prep is a subscription app. The download is free and new subscribers get a 3-day free trial with full access. After the trial, an active subscription is required to use the study modules, practice exams, hints, explanations, and the AI Tutor.

Premium (monthly or annual):
- Unlimited AI Chat Tutor sessions
- AI explanations for every answer
- Full adaptive study system
- Personalized study plans
- Advanced analytics
- Offline mode
- Priority support

Payment will be charged to your Google Play account at confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions in your Google Play account subscription settings after purchase.

Terms of Use: https://uscgprep.com/terms
Privacy Policy: https://uscgprep.com/privacy

USCG Prep is published by Avunia and is not a government application. ## Rankings - #2,860,782 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.USE_BIOMETRIC` - `android.permission.USE_FINGERPRINT` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.avunia.uscgprep.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [CaptainsGround: USCG Exam Prep](https://chrome-stats.com/d/com.captainsground.app) — 3 users - [USCG Exam Prep – License Prep](https://chrome-stats.com/d/com.codanyon.uscgexamprep) — 3,245 users, 4.00 / 5 - [Coast Guard Exams: USCG Prep](https://chrome-stats.com/d/com.marinerstudio.fgs) — 7,053 users - [The Nautical School ExamTutor+](https://chrome-stats.com/d/com.nauticalschool.app) — 8,632 users, 3.27 / 5 - [Captain Mike's OUPV Prep](https://chrome-stats.com/d/com.captainmike.oupvprep) — 2 users - [USCG Rules of the road Exam](https://chrome-stats.com/d/com.sedulangapps.uscg.deck.rulesoftheroad.prepware) — 5 users - [USCG Deck General Prepware](https://chrome-stats.com/d/com.sedulangapps.uscg.deck.general.prepware) - [Sea Trials - USCG License Exam](https://chrome-stats.com/d/com.MarinerLicensePrep.MLP) — 23,828 users, 4.42 / 5 - [Maritime Quiz App - USCG, Boat](https://chrome-stats.com/d/com.maritime.quizapp) — 11,082 users, 3.50 / 5 - [Get Your Captain's License](https://chrome-stats.com/d/com.examiam.gycl5premium) — 2,404 users, 2.40 / 5 - [USCG Cargo Handling prepware](https://chrome-stats.com/d/com.sedulangapps.uscg.deck.cargohandling.prepware) - [My Ship: Seafarer Exam Prep](https://chrome-stats.com/d/com.marinesite.app) — 157,456 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.avunia.uscgprep)