Nenpi Memo: Fuel Log
Log fill-ups, track economy
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Quick expense logging via home screen widgets without opening the app. Core features work offline, no account required.
"What's my fuel economy lately?" — just log each fill-up and you'll know.
Nenpi Memo is a simple fuel notebook: record odometer, liters, and cost, and it calculates fuel economy (km/L) and unit price automatically.
■ Quick fill-up logging
・Enter odometer, liters, and cost — that's it
・Mark full-tank fills for accurate tank-to-tank economy
・Previous values shown for smooth entry
■ Economy and price, automatic
・Economy (km/L) calculated between full-tank fills
・Unit price per fill computed from your records
・Recent and all-time averages reveal changes
■ See your car's costs
・Monthly fuel-spending charts
・Price trends at a glance
・Browse, edit, and delete records by month
■ Multiple vehicles
・Car, bike, work vehicle — as many as you need
・Records and stats per vehicle
■ Widgets
・Latest economy and this month's spending on your Home and Lock Screen
■ Private by design
・All data stays on your device — nothing is sent to a server
・No location access, no account
・Available in Japanese, English and Simplified Chinese
* Fuel economy is an estimate based on your records.
Start with your next fill-up.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Improvements and bug fixes.
The developer, 丽佳 施, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 丽佳 施
- Size
- 4.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 2 more
- English, Japanese, Simplified Chinese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Remove Ads $0.99
- Copyright
- © 2026 Jayden Chen