Know your car is safe — and never miss what's due.
Kotselog remembers your oil changes, tire rotations, registration, and insurance renewals so you don't have to. Log fuel, track mileage, and see exactly what your ride really costs — for car owners everywhere.
Free to start • Works offline • No account needed to try
One app for the whole ownership journey
From the next oil change to renewal season, Kotselog keeps the details straight so your car stays road-ready and your wallet stays predictable.
Maintenance reminders
Set service intervals once — oil, filters, tires, brakes — and Kotselog nudges you by distance or date before anything is overdue.
Learn moreFuel & mileage tracking
Log every fill-up in seconds and watch your real km/L, running costs, and efficiency trends — so you spot problems early.
Learn moreRegistration renewal alerts
Vehicle registration renews on a deadline that is easy to forget. Kotselog reminds you early — wherever you drive — so you avoid late penalties and lapses.
Learn moreInsurance renewal alerts
Track every policy expiry with early reminders — liability, comprehensive, or both — so your coverage never lapses when you need it most.
Learn moreExpenses & cost per km
Fuel, parts, labor, tolls, parking — capture every expense so you always know the true cost of keeping your car on the road.
Learn moreMultiple vehicles
Family car, motor, and the service van — manage them all in one garage, each with its own logs, reminders, and history.
Learn moreDrive knowing your car is safe
Kotselog quietly keeps watch in the background, so the important things never sneak up on you.
- Nothing overdueDistance- and date-based reminders keep maintenance on schedule.
- Always registered & insuredRenewal alerts mean no checkpoint surprises and no lapse in coverage.
- No more guessworkA clear history of every service, part, and expense on your car.
Sync across all your devices
Start on your phone, pick up on your tablet or the web. Cross-device sync keeps your whole garage in step. It is the one paid part of Kotselog — subscriptions aren’t open for sign-up yet, and we’ll say so here when they are.
Car ownership, minus the guesswork
Practical guides on maintenance schedules, registration and insurance renewals, fuel economy, and what a car really costs to run — plus region-specific guides where the rules differ.
California Car Registration Renewal Fees Explained (2026): Every Line on Your DMV Notice
What each line on a California registration renewal costs — the $76 registration fee, $34 CHP fee, 0.65% vehicle license fee, the value-based transportation improvement fee, the $121 EV road improvement fee — plus smog check rules and late penalties.
Electric & hybridAre EVs and Hybrids Exempt From Number Coding in the Philippines?
Yes — and hybrids are included. What Section 25 of the EVIDA law (RA 11697) actually says about number coding, which electrified cars it covers, how long the exemption lasts, and what to keep in the car.
Electric & hybridBuying an Electric Car in the Philippines (2026): Incentives, Real Costs and What to Check
An owner-first guide to buying an EV or hybrid in the Philippines in 2026: the EVIDA perks you really get, what charging costs at today's Meralco rate, battery warranty questions, and a pre-purchase checklist.
Researching your next vehicle?
Deep, cited comparisons for the two segments buyers obsess over — electrified cars and 4x4s — with a pick for every budget. Then track what it costs to own in Kotselog.
Compare EVs & hybrids of 2026
26 electric cars, hybrids and plug-ins side by side — price, power, range and charging — with head-to-head comparisons and a "best for your budget" pick.
Compare 4x4s & off-road trucks
15 pickups and off-road SUVs side by side — power, ground clearance, wading, 4WD and towing — with head-to-head comparisons and picks by budget and use.
Take care of your car the easy way
Open Kotselog in your browser and add your first vehicle in under a minute. Free to start — no credit card, no commitment.
Open the App