--- title: "Maritime Master - OOW - Reviews, Revenue and Downloads in Ukraine | Apple App Store" description: "Study faster. Sail safer. Practice radar plotting, run bridge calculations, and master COLREGs, all in one app built for OOW prep and day-to-day reference. Designed for deck cadets, maritime students" --- # Maritime Master - OOW — Ukraine > Radar, COLREGs, OOW & Calcs ![Maritime Master - OOW App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/37/b2/0a/37b20ad3-65f2-0f09-5c7b-74ea7a0ba8cf/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png) **Developer:** [MARITIME MASTER](https://apptail.io/developer/maritime-master-wnNf) **Category:** Education **Rating:** N/A (0 ratings) **Price:** USD 11.99 **Bundle ID:** com.bottletopstudios.maritime.master.oow **Store:** Apple App Store **Country:** Ukraine **Version:** 2.3.3 (released 2026-07-01) **Original Release:** 2025-08-01 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/ua/app/app/id6748314674) **AppTail Page:** [https://apptail.io/app/maritime-master-oow-nnjw/ukraine](https://apptail.io/app/maritime-master-oow-nnjw/ukraine) ## Maritime Master - OOW Description Study faster. Sail safer. Practice radar plotting, run bridge calculations, and master COLREGs, all in one app built for OOW prep and day-to-day reference. Designed for deck cadets, maritime students, and working officers (OOW, 3/O, 2/O). Radar plotting simulator: Add multiple targets with custom courses and speeds Automatic CPA/TCPA with clear high-risk warnings Relative motion vectors and target trails to visualise situations Training disclaimer: This simulator is for education only and must not be used for real-world navigation or collision-avoidance decisions. Calculation suite: Navigation: Speed–Time–Distance, ETA, Dead Reckoning, Course & Distance (Rhumb Line & Great Circle), Set & Drift & Fix Position Terrestrial & Celestial: Compass Error, Parallel Indexing, Object Distance, Advance & Transfer, Meridian Passage & LOP sight-reduction helper Stability & Ship Construction: FSE correction, Mean Draft, TPC/LCF usage, Trim & VCG Meteorology: True Wind, Barometer corrections, Beaufort scale converter & Tides and Currents Essential learning & reference library: Regulations: SOLAS, MARPOL, STCW, ISM Code, ISPS Code, GMDSS (quick-reference guides) Core nautical knowledge: Passage planning; ECDIS & charts; basic stability; compass deviation Procedures: Emergency procedures; SOPEP & SMPEP; checklists for safe watchkeeping; logbook entries; equipment handover Electronic navigation: AIS data interpretation; ECDIS functions; AIS/MMSI code reference Master the Rules of the Road (COLREGs): Shapes and sound signals International Code of Signals (ICOS) IALA buoyage systems (A & B) Test yourself & prep for exams: Flashcards, ICOS Hangman, and a Buoy Night-Light game OOW progress tracker. Who is it for? Maritime students & deck cadets: build a strong foundation Officers in training: prepare confidently for OOW certification Active deck officers: quick reference, calculation practice, and knowledge refreshers Anyone who wants to learn more about maritime and OOW Download Maritime Master - OOW and advance your maritime knowledge with confidence. ## Maritime Master - OOW Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/47/ae/4c/47ae4c97-1a9a-1b1b-e2d4-0a7693660dfb/Simulator_Screenshot_-_iPhone_17_Pro_-_2025-09-29_at_08.21.17.png/1206x2622.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/29/05/8e/29058e21-113c-92ac-5b0e-5fb66b0d78de/Simulator_Screenshot_-_iPhone_17_Pro_-_2025-09-29_at_08.18.23.png/1206x2622.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/44/99/0d/44990d0c-4a5d-6a9b-fa99-d4495191dc89/Simulator_Screenshot_-_iPhone_17_Pro_-_2025-09-29_at_08.20.02.png/1206x2622.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e1/5d/a2/e15da21e-e2b5-6298-d25d-7d81544833e1/Simulator_Screenshot_-_iPhone_17_Pro_-_2025-09-29_at_08.19.05.png/1206x2622.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/86/6c/97/866c97d8-6b78-3c4c-703a-09dbb22a8aca/Simulator_Screenshot_-_iPhone_17_Pro_-_2025-09-29_at_08.21.02.png/1206x2622.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/1c/cc/b0/1cccb001-fb90-0fb7-f556-b93a2731e113/Simulator_Screenshot_-_iPhone_17_Pro_-_2025-09-29_at_08.18.52.png/1206x2622.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/46/b4/cb/46b4cb47-adf2-d557-8af0-2bb33b3f37a0/Simulator_Screenshot_-_iPhone_17_Pro_-_2025-09-29_at_08.21.52.png/1206x2622.png) - [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/6a/64/f4/6a64f48f-70b2-1110-0a70-456b4f3900ed/Simulator_Screenshot_-_iPhone_17_Pro_-_2025-09-29_at_08.18.36.png/1206x2622.png) - [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/dd/85/49/dd854943-7ab9-d17f-db62-7b9577275559/Simulator_Screenshot_-_iPhone_17_Pro_-_2025-09-29_at_08.21.34.png/1206x2622.png) - [Screenshot 10](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/a5/cb/b8/a5cbb8ac-a2f3-4251-7b6e-b805835c9f4f/Simulator_Screenshot_-_iPhone_17_Pro_-_2025-09-29_at_08.20.25.png/1206x2622.png) ## Maritime Master - OOW Store Rankings | Chart | Country | Category | Rank | |-------|---------|----------|------| | Top Paid | Ukraine | Education | #4 | | Top Paid | Ukraine | Overall | #18 | | Top Paid | Greece | Education | #20 | | Top Paid | Greece | Overall | #116 | ## Apps Similar to Maritime Master - OOW - [SeaRegs - Workboat Training](https://apptail.io/app/searegs-workboat-training-UgNc/ukraine) - [Master-Nav: Colregs](https://apptail.io/app/master-nav-colregs-VYXc/ukraine) - [Navigation Lights 3D](https://apptail.io/app/navigation-lights-3d-uxxe/ukraine) - [SOLAS Consolidated](https://apptail.io/app/solas-consolidated-zGOe/ukraine) - [Phrasal Verbs English Pro](https://apptail.io/app/phrasal-verbs-english-pro-MVnm/ukraine) - [SOLAS4](https://apptail.io/app/solas4-JfWn/ukraine) - [Lifeboatss](https://apptail.io/app/lifeboatss-dgko/ukraine) - [Maritime Masters](https://apptail.io/app/maritime-masters-VGto/ukraine) - [OOW Pathfinder](https://apptail.io/app/oow-pathfinder-pTXo/ukraine) - [MARPOL](https://apptail.io/app/marpol-uINq/ukraine) ## Maritime Master - OOW Available In - [United States](https://apptail.io/app/maritime-master-oow-nnjw/united-states) - [Chile](https://apptail.io/app/maritime-master-oow-nnjw/chile) - [Argentina](https://apptail.io/app/maritime-master-oow-nnjw/argentina) - [Azerbaijan](https://apptail.io/app/maritime-master-oow-nnjw/azerbaijan) - [Belgium](https://apptail.io/app/maritime-master-oow-nnjw/belgium) - [Bulgaria](https://apptail.io/app/maritime-master-oow-nnjw/bulgaria) - [Brunei](https://apptail.io/app/maritime-master-oow-nnjw/brunei) - [Belarus](https://apptail.io/app/maritime-master-oow-nnjw/belarus) - [Germany](https://apptail.io/app/maritime-master-oow-nnjw/germany) - [Dominican Republic](https://apptail.io/app/maritime-master-oow-nnjw/dominican-republic) - 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Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://apptail.io/account/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*