Marine Engine Logbook vs Mariners Log Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Marine Engine Logbook
This app helps boat owners meticulously track engine hours, maintenance, fuel, and parts for their vessels. It provides organized digital logs suitable for personal records or vessel sales, with multi-vessel support and exportable reports.
- 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
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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/
Mariners Log Mobile
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Mariners Log is a digital maintenance and operations platform built specifically for the maritime industry. Designed for engineers, captains, and fleet managers, the app replaces paper-based systems with a structured, intelligent workflow that improves reliability, compliance, and operational efficiency. Whether you operate commercial vessels, ferries, workboats, or superyachts, Mariners Log helps you stay organised, reduce unplanned downtime, and gain better visibility over your vessel’s performance.
Screenshots
Verdict
The clearest difference is in-app purchases: Mariners Log Mobile at none against Marine Engine Logbook's 2. Mariners Log Mobile also leads on update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (13.0 vs 18.6). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Marine Engine Logbook sells 2 in-app purchases, starting at $9.99 per year. Mariners Log Mobile asks for nothing beyond the download.
Marine Engine Logbook ships an update every 6 weeks, Mariners Log Mobile every 2 weeks. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.
| Parameter | Marine Engine Logbook | Mariners Log Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | KEVIN M GRAVES | Kengineer Limited |
In-app purchases
Marine Engine Logbook
- Marine Engine Logbook -Pro Annual$9.991 Year
- MEL Pro - Lifetime$49.99
Mariners Log Mobile
No in-app purchases
Questions
Is Marine Engine Logbook free?
Is Mariners Log Mobile free?
Do Marine Engine Logbook or Mariners Log Mobile have ads?
Which is updated more often, Marine Engine Logbook or Mariners Log Mobile?
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