Live amortization calculator
Payment, remaining balance and schedule recalculate as you type — the same engine in the browser as on the server.

Amortization schedule, overpayments and debt-free date in seconds — free and no sign-up required.

From a single loan to your whole portfolio — calculated precisely, without spreadsheet hassle.
Payment, remaining balance and schedule recalculate as you type — the same engine in the browser as on the server.
All loans at a glance: total remaining balance, Σ interest and debt-free date across your whole portfolio.
Complete amortization schedule as CSV — straight into Excel or Numbers.
Which loan to pay off first? Cashcolt shows where every extra euro saves the most interest.
From budget to loan amount or debt-free date — calculated in reverse, no trial and error.
Remaining balance at the end of the fixed-rate period plus a rate stress test: what does a higher follow-up rate really cost?
Every new account has all features free for 30 days. After that, keep going for free or upgrade — cancel anytime.
For your first loan
For your whole household
For advisors & brokers
For teams & institutions
| Feature | Free | Pro | Expert | Enterprise |
|---|---|---|---|---|
| Contracts | 5 | 50 | 500 | unlimited |
| Live amortization calculator | ✓ | ✓ | ✓ | ✓ |
| Portfolio dashboard | ✓ | ✓ | ✓ | ✓ |
| Amortization schedule table | ✓ | ✓ | ✓ | ✓ |
| Overpayments | ✓ | ✓ | ✓ | ✓ |
| Effective annual rate | ✓ | ✓ | ✓ | ✓ |
| CSV export | ✓ | ✓ | ✓ | ✓ |
| Building-savings contracts | ✓ | ✓ | ✓ | ✓ |
| Follow-up via building savings | ✓ | ✓ | ✓ | ✓ |
| Affordability | ✓ | ✓ | ✓ | ✓ |
| KfW mix | ✓ | ✓ | ✓ | ✓ |
| Closing costs | ✓ | ✓ | ✓ | ✓ |
| Rent vs. buy | ✓ | ✓ | ✓ | ✓ |
| Prepayment penalty | ✓ | ✓ | ✓ | ✓ |
| Repayment optimizer | ✓ | ✓ | ✓ | |
| Goal calculator | ✓ | ✓ | ✓ | |
| Fixed-rate period & follow-up | ✓ | ✓ | ✓ | |
| Refinance comparison | ✓ | ✓ | ✓ | |
| PDF export | ✓ | ✓ | ✓ | |
| Scenario comparison | ✓ | ✓ | ✓ | |
| Rental yield | ✓ | ✓ | ✓ | |
| Property folders | ✓ | ✓ | ||
| Share links | ✓ | ✓ | ||
| Rents & letting | ✓ | ✓ | ||
| Team accounts | ✓ | |||
| Dedicated instance | ✓ | |||
| Priority support | ✓ |
Your financial data lives on servers in Germany, with encrypted backup copies in France. It is stored only in the EU.
Only strictly necessary cookies, no analytics, no external scripts. Self-hosted fonts instead of a Google CDN.
Export anytime, delete your account yourself. GDPR is the baseline here, not a feature.
We usually reply by e-mail on the same working day.

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