Codenamed “Compoundify”, this is a simple and easy to use compound interest calculator that is completely free.

This app is built for iPhone and iPad.


Here are some of the apps core features:

  • Calculate future value using compound interest formula
  • Compound amount and interest graphs built-in
  • Fast and efficient
  • Get final amount at a glance
  • 100% offline (has ads)
  • Native dark-mode
  • Works on iPhone and iPad

Pro Features

“Compoundify Pro” allows you to remove all ads and also help fund the development of this app. It also unlocks any potential future pro features.


Privacy Policy

The “Compound Interest Calc Free” app can be operated 100% offline and no data is collected. Google Ads are used to display user ads. RevenueCat is also used to manage in-app purchases.

All data is stored locally on the user’s device and is never transmitted to a third-party server or device. 

The only connection done externally is to the App Store for purchasing the “Compoundify Pro” subscription or for restoring an existing subscription.