Fathom Methanol Bunkering vs The OOW Bible
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Fathom Methanol Bunkering
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Fathom Methanol Training App Immersive Training for Methanol-Powered Vessels About This App The Fathom Methanol Training App is a purpose-built digital training solution for seafarers joining methanol-powered and methanol-bunkered vessels. Designed for dual-fuel ship operations, the app delivers structured, interactive training covering: Methanol fuel characteristics and hazards Bunkering and fuel handling operations Safety procedures and emergency response Operational best practices aligned with MSC Circ. 1621 (MISC 16) Training is delivered through scenario-based learning, allowing users to experience real onboard situations in a safe, controlled digital environment. Each module concludes with a competency-based assessment, ensuring users not only learn but are ready to operate safely onboard. Key Features Designed specifically for methanol and dual-fuel vessels Interactive, game-based learning for higher engagement Compliance aligned with MSC Circ. 1621 (MISC 16) Knowledge checks and assessments after every module Built for seafarers, officers, and engineering teams Supports measurable training outcomes Why This Matters for Owners and Managers Operating methanol-fuelled vessels introduces new operational, safety, and human-element risks. Traditional classroom training alone is no longer enough. The Fathom Methanol Training App helps owners and managers to: Reduce operational risk by preparing crew before they step onboard Standardise training across fleets and crew nationalities Demonstrate regulatory diligence aligned with MSC guidance and future IGF expectations Improve safety culture through immersive, behaviour-focused learning Minimise incidents, delays, and non-conformities linked to human error Support audit readiness for Flag, Class, Vetting, and SIRE 2.0 inspections Simply put: Better prepared crew means safer operations, stronger compliance, and lower risk exposure. Who Is This App For? Ship Owners and Managers Technical and Marine Superintendents Training Managers and Crewing Departments Seafarers joining methanol-fuelled vessels
The OOW Bible
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**The Bible for all present & future OOWs.** **The complete reference for every Officer of the Watch ā from exam prep to bridge watch.** The OOW Bible covers every topic on the MCA Officer of the Watch (Unlimited) syllabus in a single app. Whether you're sitting Part A and Part B for the first time, or you're a qualified OOW refreshing your knowledge before stepping back on the bridge, this is the reference you'll reach for. **START WITH A 7-DAY FREE TRIAL** Try every Premium feature free for 7 days ā no charge until day 8. Cancel any time during the trial and you won't pay a thing. **PART A EXAM SIMULATOR** Replicate the real My Know exam experience with all five question types: ⢠Multiple choice ⢠True/False ⢠Matching ⢠Fill in the blank ⢠Drag and drop 15 questions. 40 minutes. No returning to previous questions ā just like the real thing. Per-topic pass threshold tracking (COLREGs & Buoyage 90%, Nav Procedures 80%, Overall 70%) so you always know where you stand. **AI ORAL EXAM SIMULATOR** Practice your Part B oral with an AI examiner powered by Claude (Anthropic). Two modes: ⢠**Session Mode** ā A full multi-turn oral examination on a scenario. The AI asks follow-up questions, challenges your answers, and rates each exchange. ⢠**Quick Assessment** ā Submit a free-text answer and get a structured grading report: verdict (PASS / BORDERLINE / FAIL), score, key points checklist, missed topics, and examiner commentary. **SPACED REPETITION FLASHCARDS** Over 1,400 flashcards across all 10 modules, powered by the SM-2 spaced repetition algorithm. The app learns what you know and what you don't ā surfacing the right cards at exactly the right time to build lasting knowledge, not just short-term memory. **10 COMPLETE MODULES** Navigation Ā· COLREGs & Buoyage Ā· Radar & ARPA Ā· Meteorology Ā· Watchkeeping & BRM Ā· Ship Stability Ā· Cargo Operations Ā· Safety & Legislation Ā· Emergency Response Ā· Ship Handling All mapped to MIN 653 (Amendment 1, November 2024). **QUICK REFERENCE LIBRARY** 10 instant-access reference topics ā not buried in lesson content, just the rules and data you need: IALA buoyage Ā· COLREGs lights & shapes Ā· Sound signals Ā· VHF channels Ā· Beaufort scale Ā· Douglas sea scale Ā· Distress signals Ā· IAMSAR SAR patterns Ā· Day shapes Ā· Light characteristics Useful for exam candidates drilling topics. Just as useful for the OOW heading back to sea after a rotation ashore who needs a fast, reliable refresher before stepping onto the bridge. **GAMIFICATION** XP, levels, streaks, and daily challenges keep you consistent through months of exam prep. **WORKS OFFLINE** Everything ā flashcards, lessons, quick reference, exam simulator ā works completely offline. Whether you're studying at sea or on a long-haul flight. --- *The OOW Bible is an educational study tool and is not affiliated with, endorsed by, or produced by the Maritime and Coastguard Agency (MCA). Always verify content against current official publications.* Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Fathom Methanol Bunkering at none against The OOW Bible's 5. The OOW Bible's advantage is update cadence (every 6 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. The OOW Bible sells 5 in-app purchases, starting at $2.99 per month. Fathom Methanol Bunkering asks for nothing beyond the download.
Fathom Methanol Bunkering ships an update every 2 weeks, The OOW Bible every 6 days. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.
| Parameter | Fathom Methanol Bunkering | The OOW Bible |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 6 days ā better |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 ā better | 15.1 |
| Further details ā not scored | ||
| Size | 871 MB | 101 MB |
| Age rating | 4+ | 4+ |
| Developer | Nipun Chatrath | Azimuth Systems Ltd |
In-app purchases
Fathom Methanol Bunkering
No in-app purchases
The OOW Bible
- Premium Monthly$2.991 Month
- Premium Monthly7 Days trial$4.991 Month
- Premium Annual7 Days trial$39.991 Year
- 2 Oral Exam Sessions$0.99
- 10 Oral Exam Sessions$3.99
Questions
Is Fathom Methanol Bunkering free?
Is The OOW Bible free?
Do Fathom Methanol Bunkering or The OOW Bible have ads?
Which is updated more often, Fathom Methanol Bunkering or The OOW Bible?
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