Free car maintenance app for iPhone and Android
Car care, made simpleFuel, services, reminders and costs for every car
CarO is a free car maintenance app that keeps your service log, oil change and inspection reminders, fuel log, expenses and trips for every car in one place.
- Free to download
- iPhone & Android
- Reminders by miles or date
- Made by Xtra App Studios
Free to download. Contains ads.



Quick answer: CarO is a free car maintenance app for iPhone and Android. Log services and repairs, get reminders for oil changes and inspections, record every fill-up, and see what each car costs per day and per distance. Reminders work by mileage and by date on the free plan. Premium removes ads and unlocks advanced analytics, multiple cars and multiple drivers.
Everything about your car, in one app
Owning a car comes with a lot to remember: when the oil was last changed, when the inspection is due, what you spent on fuel this month and what the last repair cost. CarO keeps it in one place so you don't need a notebook, a spreadsheet and three apps. Premium adds multiple cars and drivers for the whole household.
How it works
Download free
Get CarO from the App Store or Google Play.
Add your car
Enter the make, model and current odometer.
Log as you go
Add fill-ups, services and costs in seconds; CarO reminds you what's next.
- Download free. Get CarO from the App Store or Google Play.
- Add your car. Enter the make, model and current odometer.
- Log as you go. Add fill-ups, services and costs in seconds; CarO reminds you what's next.
Free car tools, no download needed
- Car maintenance schedule by mileage: what's due at your odometer reading
- Oil change interval calculator: your next oil change by miles and date
- Fuel cost calculator: what any trip will cost
- Car maintenance cost calculator: a realistic yearly budget
- All free tools
Free vs Premium
Free
Free
Everything you need for one car, with ads
- Fuel log with next-refuel estimate
- Maintenance and repair log
- Reminders by mileage and by date (free)
- Expenses and income per day and per distance
- Trips and routes (manual)
- Reports and charts for any date range
- MPG from fill-ups
- Cloud backup and CSV export
- Contains ads
Premium
See price in app
No ads, advanced analytics, multiple cars & drivers
- Everything in Free
- No ads
- Advanced analytics
- Multiple cars
- Multiple drivers
Prices vary by store and country and are shown in the app before you buy. The App Store lists Monthly $0.99 and Yearly $7.99; Google Play lists in-app purchases from $0.99 to $19.99.
| Free | Premium | |
|---|---|---|
| Fuel log, maintenance log | Yes | Yes |
| Reminders by mileage and date | Yes | Yes |
| Expenses, income, trips, reports | Yes | Yes |
| MPG, cloud backup, CSV export | Yes | Yes |
| Ads | Yes | No |
| Advanced analytics | — | Yes |
| Multiple cars | — | Yes |
| Multiple drivers | — | Yes |
Prices vary by store and country and are shown in the app before you buy.
Learn as you go
Start with the car maintenance schedule by mileage, the car maintenance checklist and the dashboard warning lights guide. Comparing apps? See the best car maintenance apps in 2026.
Frequently asked questions
What is CarO?
CarO is a car maintenance app for iPhone and Android. It keeps a log of services and repairs, reminds you about oil changes and inspections, and tracks fuel, expenses, income and trips for every car you own.
Is CarO free?
Yes. Free includes the fuel log, maintenance log, reminders by mileage or date, expenses, trips and reports, with ads. Premium removes ads and unlocks advanced analytics, multiple cars and multiple drivers.
Who makes CarO?
CarO is made by Xtra App Studios, founded by Muneeb Rana.
Does CarO connect to my car?
No. CarO doesn't connect to your car or read OBD data. You log fuel, services and costs yourself, which takes a few seconds per entry.
Can I track more than one car?
Yes, with Premium. Each car has its own records, reminders and costs. Each driver has a separate account, and the owner can see all of their logs. Free covers a single-car workflow.
Does CarO track mileage automatically?
No. CarO logs trips and routes you enter manually, with frequent places for quick entry. If you need automatic GPS mileage logs for taxes, a dedicated mileage tracker is a better fit.
More answers in the CarO FAQ.
Start tracking today
Download CarO free on the App Store or Google Play. Free with ads; optional in-app purchases.
Disclaimer: CarO and this website give general car-care information, not professional advice. Maintenance intervals and specifications vary by vehicle, so always follow your owner's manual and a qualified mechanic. Mileage and cost figures are estimates; check local tax rules before using any log for deductions.