Live in 8 markets

One home for every loan you're watching.

Cindrus builds free calculators today, and automatic monitoring tomorrow — so you always know the moment refinancing is worth it. No spreadsheets, no guessing, no sales calls.

Already live

Free calculators, live in eight markets

Every market gets its own calculator, tuned to that country's rules — pick yours below.

Coming soon

Expanding beyond eight markets

Cindrus is built for every market people take out loans in — these are next.

🇺🇸United States
🇨🇦Canada
🇬🇧United Kingdom
🇮🇪Ireland
🇧🇷Brazil
🇲🇽Mexico
🇨🇴Colombia
🇨🇱Chile
🇵🇪Peru
🇫🇷France
🇪🇸Spain
🇮🇹Italy
🇨🇭Switzerland
🇧🇪Belgium
🇵🇱Poland
🇦🇹Austria
🇸🇬Singapore
🇦🇺Australia
Why Cindrus

Built to watch, not just calculate

Most calculators give you one number, once. Cindrus is built to keep checking — automatically.

01

Calculate for free

Get a clear, honest picture of your mortgage or loan in seconds — no account, no sales call.

02

Connect and monitor

Link your loan and Cindrus keeps watching the numbers for you, around the clock.

03

Get told when it matters

We alert you the moment refinancing is worth it — not the other way around.