Compoundly Calculator
Capital growth calculator
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Calculate compound interest, plan recurring contributions, and save calculations to revisit whenever you need.
Compound Interest helps you estimate how capital may grow over time based on an annual return, investment period, and recurring contributions.
Enter your initial investment, contribution amount, time period, and expected annual return. The app calculates the total amount, amount contributed, interest earned, and total growth.
Features:
• compound interest calculation;
• no, monthly, quarterly, or yearly contributions;
• investment period in years or months;
• key result metrics;
• capital growth chart by month;
• monthly capital breakdown;
• PDF export for monthly results;
• English and Russian localization.
Use it for personal planning, comparing savings scenarios, and understanding the long-term effect of compound interest.
Disclaimer: calculations are for informational purposes only and are not investment advice. Actual returns may differ from the values entered by the user.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Added calculation history — reopen saved inputs and use them again anytime.
• Improved app stability.
The developer, Bogdan Kostyuchenko, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Bogdan Kostyuchenko
- Size
- 4.4 MB
- Category
- Finance
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- English and Russian
- Age Rating
4+
- 4+
- Copyright
- © Костюченко Богдан Сергеевич