# Marine Engine Logbook — Hours, Parts, Service, Fuel > Digital logbook for tracking marine engine hours, maintenance, fuel, and parts. (iPhone/iPad app by KEVIN M GRAVES.) - Source: https://appshunter.io/ios/app/marine-engine-logbook/id6758826850 (this page in markdown: same URL + `.md`) - Developer: [KEVIN M GRAVES](https://appshunter.io/developer/1875176384) - Category: Utilities, Reference - Price: Free with in-app purchases - Rating: 5.00/5 from 3 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 18.6 · 20 MB - Languages: American English - Released: 2026-03-05 - Data updated: 2026-08-19 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/marine-engine-logbook/id6758826850/reviews.md ## What is Marine Engine Logbook? Marine Engine Logbook MEL is a modern replacement for paper engine logbooks, built for DIY boaters, cruisers, loopers, and captains who want accurate, organized vessel records. Designed around real-world boating workflows, MEL helps you track engines, generators, Seakeeper systems, watermakers, and any hour- or time-based maintenance. Whether you’re managing a single vessel or multiple boats, MEL keeps logs clean, separated, and easy to review. Track What Matters Log engine and generator hours. Record maintenance by time or runtime. Record vessel service from shops. Track Seakeeper, watermaker, and auxiliary equipment. Maintain clear service histories over the life of the vessel. Fuel Optional add on module for logging fuel ups. Easily add Recipts from fuel docks or fuel deliveries. Track yearly fuel expenses and operating metrics. Parts & Maintenance Records Document key engine components such as fuel and oil filters, impellers, belts, and other service items. Store exact part numbers so reordering next season—or at the parts counter—is fast and accurate. Professional Logbooks MEL produces clean, organized records suitable for long-term ownership or vessel sale. Export logs to clean organized PDF or direct to a printer. Print paper copies for ship’s records or binders. Transfer vessel logs to new owners Multi-Vessel Support Manage multiple vessels in one app. Each boat’s logs, maintenance history, and parts lists remain clearly separated and organized. Built for Boat Owners MEL is designed for owners who maintain their own vessels, as well as captains responsible for accurate records. Whether you’re weekend cruising, running offshore, or sailing the Great Loop, MEL provides a reliable system for documenting your vessel’s history. Stop juggling notebooks and loose papers. MEL gives you a clear, organized, and professional engine logbook—always with you, and ready when you need it. Lifetime Pro — one-time purchase. No subscription. No renewal. Marine Engine Logbook Pro Annual Subscription Marine Engine Logbook Pro — Annual auto-renewing subscription. Starting at $9.99 USD per year (price varies by region). Includes a 14-day free trial where available. After the trial period, the subscription renews at the applicable regional price unless canceled. Subscription automatically renews unless 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 or cancel your subscription at any time in your App Store account settings. Privacy Policy: https://www.digital-helm.com/mel/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - Log engine and generator hours - Record maintenance by time or runtime - Track Seakeeper, watermaker, and auxiliary equipment - Document parts and service items - Export logs to PDF or print - Manage multiple vessels - Optional fuel logging module ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Marine Engine Logbook -Pro Annual | $9.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | MEL Pro - Lifetime | $49.99 | one-time | ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/marine-engine-logbook/id6758826850/reviews.md ### 5/5 — Easy, helpful, accurate *2026-03-05* I have 4 boats and a barge, basically a fleet and running my engines to keep track either service and parts in once place really helps! Great product! ## Frequently asked questions about Marine Engine Logbook ### What is Marine Engine Logbook used for? Marine Engine Logbook is designed to replace paper logbooks for boat owners. It helps you meticulously track engine hours, maintenance schedules, fuel consumption, and specific parts for your vessel, ensuring organized and accurate records. ### Can Marine Engine Logbook track multiple boats? Yes, Marine Engine Logbook supports multi-vessel management. You can keep the logs, maintenance history, and parts lists for each boat clearly separated and organized within the app. ### What kind of reports can Marine Engine Logbook generate? Marine Engine Logbook can produce clean, organized records suitable for long-term ownership or vessel sale. You can export these logs into clean, organized PDF files or print them directly for ship's records or binders. ### Does Marine Engine Logbook have ads? No, Marine Engine Logbook does not contain advertisements. The app is free to download and use, with optional in-app purchases for advanced features like the fuel logging module. ### How much does the Marine Engine Logbook Pro subscription cost? The Marine Engine Logbook Pro Annual Subscription is priced at $9.99 USD per year, though the price may vary by region. It includes a 14-day free trial. ### How do I cancel my Marine Engine Logbook Pro subscription? You can manage or cancel your Marine Engine Logbook Pro subscription at any time through your App Store account settings. Ensure cancellation occurs at least 24 hours before the end of the current period to avoid renewal charges. ### What is the age rating for Marine Engine Logbook? Marine Engine Logbook has an age rating of 4+. This indicates it is suitable for a wide range of users, including children, with no mature content. ### On which devices can I use Marine Engine Logbook? Marine Engine Logbook is available for both iPhone and iPad devices. This allows for flexible use whether you are on a mobile device or a tablet. ## Version history (last 5 releases) ### 1.4 — 2026-08-19 Widgets! Quickly glance at maintenance items and safety items. Added Safety Items which track expiration dates of safety gear, flares, first aid kits, life jackets, etc. Added a Maintenance plan section for the user to define scheduled service and intervals based on time, hours, or both. as you make log entries you can be notified of upcoming service. Signal K support! : Vessels equipped with a Signal K server and connected engines can import engines hours directly into logs and fuel, and trips! ### 1.3 — 2026-08-03 Safety Items and reminders for expiration dates and documents. ### 1.2 — 2026-06-30 Pro-Feature: Record charter relevant data! keep a log of business use and personal use with a breakdown by hours, distance, and fuel. ### 1.1 — 2026-05-05 Bug Fixes with demo vessel counting towards parts. Increase free limits. Log Entry edit bug. ### 1.0 — 2026-03-05 No release notes. ## Related topics [logbook suite phonetools](https://appshunter.io/ios/topics/logbook-suite-phonetools) · [yacht logbook](https://appshunter.io/ios/topics/yacht-logbook) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-19.*