Free · No sign-up · Works offline
Simulate before you decide
Rent or buy, save and invest, size an SLA. Detailed math, readable charts and several scenarios side by side.
All simulators
Savings and investing
Compare scenarios
Up to 4 sets of assumptions side by side, with the differences highlighted.
Share a link
Every simulation can be saved and shared with a short address. No account.
Works offline
Install the app. The math runs on your device, even without a network.
Nothing tracks you
No ads, no trackers. Your numbers stay on your device until you share them.