You know what your car payment is. But do you know how much of it goes to interest? Do you know how many payments are left? Do you know whether you're on track to stay within your lease mileage allowance — or headed for a surprise charge at lease return? Most drivers have a vague sense of their financing situation. CarExpenses makes it concrete.
Enter your auto loan or lease terms once, and the app gives you a live dashboard: payoff countdown, cost breakdown, estimated payment, automatic payment scheduling, and — for leases — a mileage tracker that monitors your pace and warns you before overage charges become inevitable. All inside the same app that tracks your fuel, expenses, maintenance, and everything else about your vehicle.
Your biggest vehicle cost deserves more than a manual expense entry
For most vehicle owners, the loan or lease payment is the single largest monthly cost — bigger than fuel, bigger than insurance, bigger than maintenance. Yet most vehicle expense apps either ignore financing entirely or treat it as just another manual expense entry with no intelligence behind it. You're left guessing how much you still owe, how much of each payment goes to interest versus principal, and — for leases — whether you're about to blow past your mileage allowance.
CarExpenses brings financing into the same system as every other vehicle cost. Enter your loan or lease terms once, and the app gives you a live dashboard of where you stand — payoff progress, cost breakdown, projected mileage, and automatic payment tracking. No external calculators, no spreadsheets, no logging into your lender's portal to check your balance.
Loan setup — enter your terms once, track progress automatically
Setting up a car loan in CarExpenses is a one-time process. Enter the key terms of your financing agreement:
Lender name — the bank, credit union, or financing company.
Agreement number — your loan or account reference for quick lookup when you need to contact the lender.
Loan amount — the total financed amount (after down payment).
Down payment — the amount you paid upfront, tracked separately so your total cost of acquisition is accurate.
Term length — the loan duration in months.
APR (Annual Percentage Rate) — the interest rate on your loan. The app uses this to calculate the amortization schedule and the principal-versus-interest breakdown.
Start date — when payments began. Combined with the term length, this determines your payoff date and how far along you are.
Currency — the currency of the loan. For cross-border financing, multi-currency support lets you track the loan in the currency you pay and convert to your home currency.
Payoff countdown — payments remaining, balance, and percentage complete
Once your loan terms are entered, CarExpenses gives you a live payoff dashboard:
Payments remaining — how many installments are left until you own the car outright.
Estimated remaining balance — the approximate amount you still owe, calculated from the amortization schedule.
Percentage complete — a visual progress indicator showing how far through the loan you are. Watching the percentage climb is surprisingly motivating.
Estimated monthly payment — calculated from standard loan amortization based on the amount, APR, and term you entered. If your actual payment differs slightly (due to fees or rounding), you can adjust the scheduled expense independently — but the estimate gets you started without needing an external calculator.
Amortization breakdown — see where every payment dollar goes
Every loan payment is split between principal (paying down what you owe) and interest (the cost of borrowing). Early in the loan, most of each payment goes to interest. Later, most goes to principal. Understanding this split helps you see the true cost of your financing and evaluate whether early payoff makes financial sense.
CarExpenses displays the principal-versus-interest breakdown as an animated stacked bar chart — a visual representation of how your payments are allocated over the life of the loan. For leases, the same chart shows depreciation versus finance charges, giving you the same clarity on where your lease payments go.
This isn't just a nice-to-have visualization. Seeing how much of your monthly payment is actually reducing your balance — versus how much is going to the lender as profit — is the kind of insight that helps you make informed decisions about refinancing, early payoff, or how to structure your next vehicle purchase.
Lease setup — residual value, mileage allowance, and overage rate
Lease tracking in CarExpenses includes everything from the loan setup plus lease-specific fields that power the mileage monitoring features:
Residual value / buyout price — the price to purchase the vehicle at lease end. Useful for evaluating the buy-versus-return decision as the lease approaches its end date.
Annual mileage allowance — the number of kilometers or miles included in your lease per year. This is the baseline the mileage tracker monitors against.
Per-mile overage cost — the rate you'll be charged for every mile or kilometer over your allowance at lease return. This feeds the projected overage calculator so you can see the financial impact before it happens.
The estimated monthly payment for leases uses the standard lease formula — depreciation plus money factor — calculated from the vehicle price, residual value, term, and money factor derived from the APR. Again, no external calculator needed.
Lease mileage tracker — automatic monitoring from your existing data
Excess mileage charges at lease return can add up to thousands of dollars — and by the time you realize you're over, it's too late to do anything about it. CarExpenses solves this with a lease mileage tracker that runs automatically in the background, using odometer readings you're already logging.
Every time you log a refuel, expense, or checkpoint with an odometer reading, the mileage tracker updates. There's no separate mileage log to maintain — the app uses the odometer data that flows in naturally from your regular usage. The more consistently you log entries with odometer readings, the more current your mileage picture stays.
A color-coded pace indicator shows your status at a glance: under pace (green — you're driving less than your allowance rate), on pace (neutral — you're tracking close to your limit), or over pace (red — you're on track to exceed your allowance). This single indicator answers the question every lessee wants to know: "Am I going to owe extra at lease return?"
Projected overage calculator — see the cost before it's too late
The pace indicator tells you the direction. The projected overage calculator tells you the cost. Based on your current driving rate, the app estimates your total mileage at lease end and calculates the overage fee you'd face at your per-mile rate.
This projection updates every time a new odometer reading comes in. If you're 18 months into a 36-month lease and the calculator shows a projected overage of 8,000 km at $0.15/km — that's a $1,200 charge you can still avoid by adjusting your driving habits over the remaining 18 months. Without this visibility, most drivers don't realize they're over until the lease inspection, when it's too late to change anything.
Automatic payment scheduling — every installment tracked without manual entry
Loan and lease payments happen on a predictable schedule — monthly, bi-monthly, or whatever your agreement specifies. CarExpenses can create a scheduled expense linked to your financing, so every payment is tracked automatically without manual entry.
The scheduled expense inherits the estimated monthly payment from your financing terms, and each generated entry is categorized as a loan or lease payment and linked to the vehicle. Your expense reports, spending analysis, and total cost of ownership calculations include every payment automatically — no gaps, no forgotten entries, no manual data entry every month.
If a payment amount changes — for example, a variable-rate loan adjustment — end the current schedule and create a new one with the updated amount, just as with any other scheduled expense. Individual payments can also be edited independently if a specific installment differed from the standard amount.
Built for every financing scenario
Whether you're paying off a loan, monitoring lease mileage, or comparing financing costs across vehicles — CarExpenses gives you the visibility your lender's portal doesn't.
Financing that fits into your complete cost-of-ownership picture
Financing is often the largest line item in a vehicle's total cost of ownership — and without it, your spending reports tell an incomplete story. With loan and lease tracking in CarExpenses, your expense history includes every payment alongside fuel, maintenance, insurance, and other costs. Your cost-per-mile calculations reflect the full picture. Your profitability reports (for income-generating vehicles) account for the financing cost, not just operating expenses.
Combined with scheduled expenses for automatic payment tracking and the vehicle profile's purchase price for acquisition cost, financing tracking completes the ownership cost picture from the day you drive off the lot to the day you sell, trade in, or return the vehicle.
Works on any device, no app store required
CarExpenses is a Progressive Web App that runs in any modern browser on your phone, tablet, or computer — no app store download required. Check your loan payoff progress from your phone, review your lease mileage pace on your laptop, or compare amortization breakdowns across vehicles from your tablet. Everything syncs automatically across every device.