BoatLog: Boat Maintenance Log

BoatLog is an offline service log for boats that works by engine hours. Enter the intervals from your own engine manual once, type in the hour-meter reading after an outing, and BoatLog works out what is overdue, due soon or fine, on each engine.

WHAT IT DOES • Engine-hour tracking for oil and filter, impeller, gear lube, fuel filters and spark plugs, each measured against the interval you set from your manual • A separate hour clock for every engine, so on a twin the port impeller can be due while starboard still has hours left • Items by time: annual service, winterization, anode and zinc checks • Safety-gear expiry dates for flares, extinguishers, EPIRBs and life jackets, from the dates you record • Service records with date, engine hours, cost, shop or DIY, parts, notes and up to 3 photos • A winterization checklist you reuse every season, kept per boat and per year • Costs: total spend, spend by system, a monthly trend and cost per engine hour, kept per currency • A service-history PDF with photos, for a buyer or a marine surveyor • CSV export, and a JSON backup that restores the whole log on another phone • Works offline, with no account and no sign-up

Every interval in BoatLog is one you enter, from your engine manual, your mechanic or your own judgment. BoatLog is a logger, not a mechanic, and never prescribes service.

WHO IT'S FOR Outboard, inboard, sterndrive and pontoon owners; twin and triple engine offshore boats; sailboat auxiliary diesels; trailer boats; and anyone who looks after their own boat and wants the history in one place instead of a drawer of receipts.

PREMIUM The free version keeps one boat and up to 15 items per boat, and restores a backup. Premium adds unlimited boats and items, the PDF service history, CSV export, the JSON backup, and removes ads.

Questions or ideas? support@clearstackapps.com

SUBSCRIPTIONS BoatLog Premium is available as a monthly or yearly auto-renewing subscription, or as a one-time lifetime purchase. Payment is charged to your Apple Account when you confirm the purchase. A subscription renews automatically unless you cancel it at least 24 hours before the end of the current period. Manage or cancel it in your Apple Account settings.

Terms of Use (EULA): https://clearstackapps.com/terms Privacy Policy: https://clearstackapps.com/privacy

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