# Baetnil: Boat Maintenance Log — Logbook, Inventory & Tides

> Logbook, Inventory & Tides (iPhone/iPad app by Myung joon Kim.)

- Source: https://appshunter.io/ios/app/baetnil-boat-maintenance-log/id6811930420 (this page in markdown: same URL + `.md`)
- Developer: [Myung joon Kim](https://appshunter.io/developer/6811930423)
- Category: Navigation
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 20 MB
- Languages: American English, Japanese, Korean, Russian
- Released: 2026-09-26
- Data updated: 2026-10-19

## What is Baetnil?

Keep your boat's inventory, maintenance and trips in one place, and share what you learn with fellow boaters.

■ No boat needed

· Can I go out today? Wind, gusts, wave height and tides on one screen
· Where can I tie up? Marinas and anchorages with depth, fees and phone numbers, added by people who have been there
· Marketplace — buy and sell anchors, sails, life jackets and other gear
· Forum — questions and answers from fellow boaters, with marine news and warnings

■ If you own a boat

· Where did I put that? Draw lockers on your boat plan and put things in them
  Search for an item by name and it shows you which locker it's in, even offline
  Built-in plans for common boat types get you started, and every item can have a photo
  Set a minimum quantity and get a "Running low" alert
· Never miss a service — set intervals in months, weeks, days or engine hours, and get a reminder when one is due
  Record photos, the steps you took, the parts you used and what it cost
  Replace a piece of equipment and the old one moves to its replacement history
· Repairs, checklists and documents — keep track of what's not working until it's fixed, run a pre-departure checklist, and store documents with their expiry dates
· Fuel and engine hours — log refueling and fuel checks, and see your consumption
· Logbook — departure and arrival times with the weather and position at the time
  Turn on tracking and your route is drawn on the map (position logged every 5 seconds by default, adjustable)
  Pick who sailed with you and the trip is added to their sea time
· Run the boat together — give each crew member a role that sets what they can do
  Assign tasks, share a calendar, and post on a board only your crew can see
  Plan a departure and the people you pick are notified in advance
· Selling? Export your boat's history — equipment, maintenance, repairs and trips — and hand it straight to the buyer

■ Weather, judged by your boat

The same wind means different things to different boats. Wind, gusts, wave height and period, visibility and currents are on one screen, checked against your boat's limits.
· Enter your boat's length and type, and your departure limits are filled in for you
· Go over a limit and it tells you which one: "Gusts are over your limit"
· Sailboats also get reefing advice — "Reef 2 in the mainsail"
· Enter your air draft and it works out whether you clear a bridge at a given time
· Marine warnings from Korea's KMA and Japan's JMA, plus spring and neap tide names

■ Works offline at sea

Inventory, maintenance, plans and the logbook stay available — and editable — with no signal. They sync when you're back online.
Marina and anchorage data for Korea, Japan and the Russian Far East is built into the app, so it works with no signal.
Write on your iPhone, check on your iPad, or open it on a computer at baetnil.com/app.

■ Free, no ads

Everything is free. No ads, nothing to buy in the app.
The Marketplace is only a place to meet — no money passes through the app. Meet and inspect in person.

■ Who it's for

Owners of sailboats and powerboats, people working fishing boats, crew who sail on other people's boats, and anyone who keeps a boat at a marina.
Available in English, Korean, Russian and Japanese.

■ Location

We use your current position only with your permission, to show local weather and tides. To get the weather, the app sends only that spot's coordinates to weather providers (such as Open-Meteo and national weather agencies).
While you record a trip, its GPS track is saved with that trip on our server. Only your boat's crew can see it, unless you turn on track sharing for that trip — and even then, the parts near departure and arrival are hidden.
You can use the app without location: just pick a spot yourself.

Contact: help@baetnil.com
Terms: https://baetnil.com/terms.en.html
Privacy: https://baetnil.com/privacy.en.html
Delete account: https://baetnil.com/delete.en.html

## Is Baetnil safe?

Not enough ratings yet to assess Baetnil.

## Is Baetnil legit?

Baetnil: Boat Maintenance Log has limited verification signals. The AppsHunter Legitimacy Score for Baetnil is 50 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 5.53 — 2026-10-15

• When you log a past planned trip later, you can now choose “Log at planned time” or “Enter time manually”.
• The logbook period, how you check fuel, and the List/Map switch for marinas & anchorages are now a single segmented bar.

### 5.48 — 2026-10-09

• Calendar: add events (time, repeat, note); the owner sets who can add them
• Logbook stats by day, month, year, all time or custom dates
• Fuel: count engine hours from a start date you choose
• Sync skips only the sections your role can't access
• English, Russian and Japanese wording reviewed
• Account deletion works in every language
• Marina names and notes in all four languages
• Notifications in your app's language; news digest at 8 a.m. your time
• Terms 2.2: clearer wording on location

### 5.40 — 2026-10-05

· Track: Settings › Track › Logging interval (5 s default). Long voyages are kept in full; gaps show as dotted lines
· iPhone: recording continues if iOS closes the app
· Android: GPS pauses while the boat is still, to save battery
· Several boat contacts (phone, email, social)
· Sunrise and sunset in Weather; rename checklists
· Edit screens: Cancel on the left, Save on the right
· If account deletion fails, data is kept; try again
· Faster start; tide data downloads only when changed

### 5.32 — 2026-10-03

· Tracks: only satellite (GPS) positions are recorded, fixing track lines that jumped onto land because of Wi-Fi or cell positions.
· Devices without GPS, or with Precise Location turned off, now tell you a track can't be recorded.
· Photos: once downloaded, photos are kept on your phone and not downloaded again, so boat photos also show at sea without internet.
· The app now opens on the sign-in screen.
· New boats are shown in Boats from the start. You can turn this off any time in Boat sharing.
· Public, Unlisted and Private now explain who can see each.
· You can edit the found and done dates of repair records.
· Plans are now clearly visible on the White theme.
· Wording polished.

### 5.30 — 2026-10-02

· Fixed an issue where maintenance records could be overwritten by default items after an update.
· Maintenance: choose the system and equipment from a list or type them in. Engine-hour intervals now count the engine running time since the last service, and you can set an interval by engine hours alone. Change equipment status (OK / Faulty) from the equipment screen.
· Fuel: the remaining amount is recalculated at every level check, and voyage and engine hours are filled in automatically when you arrive. You can check the level with a fuel gauge, and fuel settings (L/hour, remaining fuel) now sync across your devices.
· Voyage log entries now have an arrival date.
· Fuel fills now appear on the calendar.
· If you leave, your community posts and comments stay and are shown as "Deleted account". The Terms and Privacy Policy have been updated.
· Wording polished throughout the app (Korean, English, Russian, Japanese).
· Fixed the + button covering the last item in lists, and text overlapping the top tabs while scrolling.
· Input fields now use the app font, and lists no longer break when a photo can't be loaded.
· Larger text sizes now scale every screen evenly, with tidier spacing and row heights.

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*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 2026-10-19.*