--- title: "Rule Master — App Overview" url: https://marlvel.ai/apps/com-universalqueue-rulemaster category: Navigation developer: Universal Queue LLC platforms: ios rating: 4.8 (263 ratings) pricing: paid report_level: overview generated: 2026-04-19 last_verified: "2026-04-19T02:14:54.288Z" --- > **Key Insight:** While the app offers a structured tool for maritime exam preparation, user feedback highlights significant concerns regarding diagram legibility and occasional inaccuracies in question content. | Metric | Value | |--------|-------| | Category | Navigation | | Rating | 4.8 ★ (263) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 4.3 | | Developer | Universal Queue LLC | ## What is Rule Master? Rule Master is a specialized iOS quiz application designed to help mariners prepare for USCG Navigation Rules examinations. It features a library of over 100 fill-in-the-blank questions and an exam PDF generation tool for instructors to create custom COLREG assessments. ## Key Features - **Question Filters and Statistics**: Allows users to track progress and target specific areas of study using proficiency statistics. - **Exam PDF Generation**: Enables instructors to generate and print custom-filtered COLREG examinations. - **Fill-in-the-blank Quiz Library**: Provides over 100 hand-selected questions designed to refine mastery of verbatim COLREG excerpts. ## Who is it for? New and experienced sailors, mariners, and maritime instructors preparing for professional certification exams. ## Links - [App Store](https://apps.apple.com/us/app/rule-master/id1617543595?uo=2) - [Full Intelligence Report](https://marlvel.ai/apps/com-universalqueue-rulemaster) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/com-universalqueue-rulemaster).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*