Available for iPhone and iPad — also works on Mac

Marine Engine Logbook (MEL)

Digital maintenance records for serious boaters—service logs, parts reference, and vessel details organized in a clean, fast workflow.

Apple App StoreDownload MEL for iPhone and iPad.
Download for iOS
Google PlayOfficial Android release coming soon.
Test it here
Upgrade the way you treat your boat.

What MEL does

Capture service history and parts data in a format that stays useful years later—when you’re troubleshooting, ordering parts, or preparing for resale.

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Structured Service Logs

Track work performed across engines, generators, and equipment—organized by date and hours.

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Parts Reference Library

Save part numbers, links, and notes so re-ordering is fast at the dock or parts counter.

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Multi-Vessel Support

Manage multiple boats cleanly. Keep records separated and easy to hand off.

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Export & Transfer Ready

Designed for clean recordkeeping you can share, print, or transfer when ownership changes.

In action

Clean screens designed for real maintenance work—not busywork. Select any image to view it full size.

My Dock — vessel overview with photo and quick navigation.
Logs — filter by engines or equipment and see hour totals at a glance.
Log Entry — record service date, hours, and detailed work notes.
Parts — store part numbers, URLs, and notes for quick reference.
Engine IDs — keep serials, models, and drivetrain details available instantly.
Boat Profile — keep vessel details organized and easy to update.
Add Parts — capture vendor/source, part number, and notes in seconds.

Who it’s for

Owners, captains, and refit projects that need maintenance history to stay accurate and usable.

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DIY Owners & Refits

Built for real maintenance—filters, coolers, pumps, sensors, and major services.

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Loopers & Cruisers

Keep maintenance history accurate across long runs and seasonal storage.

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Captains & Managers

Maintain a clean record trail for operations, audits, and handoffs.

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Sales & Transfer

Organize records so a buyer (or surveyor) can understand the vessel quickly.

Get access
Google Play coming soon. Approved testers can install the Android APK directly.