RadarPlot vs Bridgedeck Study
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
RadarPlot
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Master radar plotting through practical, interactive exercises. RadarPlot is a professional training tool for maritime cadets, deck officers and navigators learning the 6-minute plotting method, relative motion, CPA calculations and collision-avoidance maneuvers. PRACTICE RADAR PLOTTING β’ Record target range and bearing observations β’ Plot multiple radar targets β’ Use a North-Up stabilized radar display β’ Adjust plotting intervals and range scales β’ Zoom and pan without affecting calculations CALCULATE CPA AND TARGET MOTION β’ Automatically construct the Relative Motion Line β’ Calculate CPA, TCPA and relative speed β’ Determine the targetβs true course and speed β’ Visualize own-ship and target-motion vectors β’ Practice the standard 6-minute plotting method PLAN COLLISION-AVOIDANCE MANEUVERS β’ Set a required minimum passing distance β’ Calculate course-only and speed-only solutions β’ Select the maneuver execution point β’ Display the Advanced Relative Motion Line β’ Compare alternative maneuvering decisions BUILT FOR MARITIME TRAINING Use built-in scenarios and answer-reveal tools to learn step by step or practise independently. Ideal for maritime academy students, deck officers preparing for examinations, navigators refreshing manual plotting skills and instructors demonstrating relative-motion geometry. Train smarter. Understand the plot. Make safer decisions.
Bridgedeck Study
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Bridgedeck Study is the voice-first way to prepare for your UK MCA deck officer oral exam. Speak your answers out loud to an AI examiner that questions, probes and follows up like the real thing β for OOW Unlimited and OOW Yachts 3000 GT. PRACTISE OUT LOUD - Full mock orals (90 or 120 minutes) that pace and probe like a real MCA oral - Topic drills (10β60 minutes) to build mastery in one area at a time - An examiner that asks follow-ups, escalates scenarios and expects no second chances on the safety-critical topics BUILT ON REAL ORALS - Question bank grounded in hundreds of real candidate exam reports from UK exam centres - MCA-aligned syllabus coverage: COLREGs, buoyage, lights and shapes, stability, cargo work, emergencies, legislation and more - Model answers with citations to the underlying regulations KNOW WHERE YOU STAND - Every answer scored, with a full transcript after each session - Topic-by-topic mastery tracking and an overall readiness score - Countdown and progress against your booked exam date PART A AND FLASHCARDS - Flashcards are free β the full deck, no subscription needed - Part A multiple-choice practice papers in the MIN 690 format, with per-topic pass thresholds (OOW Unlimited) TRY IT FREE - 15 minutes of free voice practice β no card required - Your voice is never stored: audio streams live and only the text transcript is kept WHO IT'S FOR - OOW Unlimited (STCW II/1) oral candidates - OOW Yachts 3000 GT oral candidates - Cadets and crew building towards their first deck officer ticket Payment is charged to your Apple ID account. Auto-renewing subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel any time in your App Store account settings. Terms of Use: https://www.bridgedeck.app/terms Privacy Policy: https://www.bridgedeck.app/privacy
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Verdict
The clearest difference is update cadence: Bridgedeck Study at every 6 days against RadarPlot's every 4 months. Bridgedeck Study also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. RadarPlot sells 1 one-off in-app purchase and Bridgedeck Study sells 5 in-app purchases, starting at $49.99 per month. Whichever you choose, the download price is not the number that matters.
RadarPlot ships an update every 4 months, Bridgedeck Study every 6 days. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.
| Parameter | RadarPlot | Bridgedeck Study |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 6 days β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 15.1 | 13.0 β better |
| Further details β not scored | ||
| Size | 58 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Paulina Praciak | Office Care Systems (Pty) Ltd |
In-app purchases
RadarPlot
- Lifetime Access$14.99
Bridgedeck Study
- Standard$49.991 Month
- Pro$79.991 Month
- Standard Year$499.991 Year
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- Pro Year$799.001 Year
- Exam Pack$99.99
Questions
Is RadarPlot free?
Is Bridgedeck Study free?
Do RadarPlot or Bridgedeck Study have ads?
Which is updated more often, RadarPlot or Bridgedeck Study?
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