연비 차계부 - 주유·정비 유류비 관리

⛽ How much does it cost to maintain my car? One fuel efficiency logbook is all you need.

Simply enter the amount and mileage each time you refuel, and the fuel efficiency is calculated automatically.

Manage maintenance records as well to get a clear overview of your car's upkeep costs at a glance.

📊 Key Features

• Fueling history + Automatic fuel efficiency calculation (Instant display of unit price, trip distance, and fuel efficiency)

• Maintenance history management (Engine oil, tires, battery, etc.) + Notifications for next replacement

• Cost statistics — Total maintenance costs, fuel/maintenance ratio, cost rankings by category, monthly expenditure charts

• Automatic calculation of maintenance costs per km and average monthly maintenance costs

• Search by period (All, 3 months, 6 months, or manually specify period)

🎨 Clean dark dashboard design

• Intuitive screen resembling a car's instrument panel

• Fast one-handed input

🔒 My records saved only on my phone

• All fueling and maintenance records are stored only on the device (No account sign-up required)

• Car logbook data is not transmitted externally

• Safe even if you change phones with CSV export/import + automatic folder backup

• Operated via bottom banner ads (Google AdMob)

🌐 Korean · English support

🚗 Recommended for:

• Drivers curious about their car's fuel efficiency

• For those who want to manage maintenance costs systematically

• For those who keep forgetting when to do maintenance

• For those looking for a neat and intuitive car logbook