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Compound Calc

Visualise how a starting amount and monthly contributions grow with compound interest — four sliders, one curve.

Finance iOS
Available on theApp Store soonRequest TestFlight invite
Compound Calc — home screen
Home screen
Compound Calc — paywall / subscription
Subscription

Who it's for

Anyone planning savings, retirement contributions, or just curious how their money compounds

How the subscription works

free = calculate. Subscription saves up to 20 named scenarios so you can compare plans side by side and removes ads.

What we don't collect

Full details in our privacy policy.

TestFlight beta

This app is in private beta on TestFlight. To request an invite, email support@bestpaid.app with the subject line TestFlight beta: Compound Calc.

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