Karlog: Fuel & Mileage Tracker

Karlog is the fuel and mileage tracker built for drivers who want simple, private, offline car logging — no account, no subscription, no ads. Log every fill-up, track your real-world MPG or L/100km, and watch your fuel economy trend over time. Set oil change reminders by date or odometer. Store every service record in one place. Karlog works completely offline: your data never leaves your device unless you choose to back it up. --- KEY FEATURES Fuel & Consumption Tracking - Log fuel fill-ups with date, odometer, liters or gallons, and cost - Automatic MPG, L/100km, and km-per-liter calculations after every entry - Fuel cost per kilometer or per mile - Full fill-up history with editable entries - CSV and Excel import for existing fuel logs (Pro) Oil Change Reminders - Set your service interval by distance (km or miles) and by date - Karlog alerts you when your next oil change is approaching - Never miss a service window again Maintenance & Service Log - Record oil changes, cooling system, tires, brakes, and other services - Store date, odometer, cost, and notes per record - Set next-due reminders for each service type Appointments & Reminders - Schedule upcoming inspections, registration renewals, insurance renewals, and washes - Mark appointments as done Monthly Driving Budget - Set a monthly kilometer or mileage goal per vehicle - Color-coded progress card shows how much of your budget you have used - Alerts at 80% and 100% so you stay aware of your driving spend Electric Vehicle & Hybrid Support - Supports traditional ICE, hybrid, PHEV, and fully electric vehicles - Log kWh charging sessions alongside or instead of fuel fill-ups - Price-per-kWh trend chart tracks your charging costs over time (Pro) Price Trend Charts (Pro) - Line charts showing fuel price per liter over time - kWh price trend for EV and PHEV vehicles - Requires at least 2 data points to render Data Import & Backup (Pro) - Import existing fuel logs from CSV or Excel files - iCloud backup and restore — your data syncs across your devices - Local file export always available Privacy & Offline First - 100% offline — no network requests from core app logic - No account required, no login screen, no sign-up - No ads, no analytics, no tracking - Your vehicle data stays on your device 12 Languages English, French, Spanish, German, Portuguese, Arabic, Chinese, Japanese, Korean, Khmer, Thai, Vietnamese Metric & Imperial Switch between km/liters and miles/gallons per vehicle. All conversions are display-only — data is stored consistently in the background. --- FREE VS PRO Free (always free): - 1 vehicle - Up to 20 fuel logs - Fuel consumption stats - Oil change reminders - Service and appointment records - Monthly driving budget - All 12 languages Pro — $19.99 one-time purchase (no subscription, no renewal): - Unlimited vehicles - Unlimited fuel logs - Price trend charts - CSV and Excel import - iCloud backup and restore Pay once. Own it forever. No subscription. No price increases. No features locked behind a monthly fee. --- Karlog is built for drivers who want a clean, private, offline logbook for their car — not a SaaS dashboard with a recurring bill. Download Karlog and start logging your first fill-up in under a minute. Privacy Policy: https://supportdock.io/vandetho/karlog/privacy Support: https://supportdock.io/vandetho/karlog