Karlog: Fuel & Mileage Tracker

Vandeth Tho

About this app

Karlog is a simple vehicle management and maintenance tracking application designed to help drivers keep track of their vehicle’s fuel usage, maintenance history, and expenses.

The app is built with a privacy-first and offline-first approach, allowing users to manage their vehicle records locally without requiring an account or cloud storage.

Karlog helps individuals and small fleets maintain their vehicles efficiently and avoid missing important maintenance tasks.

Key Features
Vehicle Management

Users can add one or multiple vehicles and store essential information such as:

Vehicle name

Model and maker

Odometer reading

Notes

Fuel Tracking

Karlog allows users to log every fuel refill and automatically calculate efficiency.

Users can:

Record fuel cost and quantity

Track fuel consumption

Monitor fuel efficiency trends

View historical fuel logs

Fuel tracking apps typically use odometer and refill data to calculate fuel economy and cost trends over time.

Maintenance Log

Karlog keeps a full maintenance history of the vehicle.

Users can log:

Oil changes

Tire replacements

Repairs

Service appointments

Maintenance costs

Maintenance logs help drivers maintain a complete service history and avoid missing critical servicing intervals.

Maintenance Reminders

Users can schedule reminders for important maintenance tasks such as:

Oil changes

Inspection dates

Tire rotations

Service intervals

This helps ensure vehicles remain safe and efficient.

Expense Tracking

Karlog allows users to track all vehicle-related expenses including:

Fuel

Maintenance

Repairs

Insurance

Registration

Users can view summaries to understand the total cost of vehicle ownership.

Data Export

Users can export vehicle data for personal records or analysis.

Export formats may include:

CSV

Spreadsheet compatible formats

Privacy

Karlog is designed to respect user privacy.

No account required

No personal data collected

All records are stored locally on the user’s device

What’s new

What's New in v1.5.0

Features.
- Two new currencies — added Belarusian Ruble (BYN) and Indonesian Rupiah (IDR).
Fixes
- Backup cloud sync accuracy — keeps cloud sync status fresh and accurate across multiple devices.