Compound Interest Calculator

Contains adsIn-app purchases
Content rating
Everyone
0+
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Content rating
Everyone
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About this app

Explore how your savings could grow with Compound Interest Calculator, a compound interest calculator for long-term planning.

BUILD YOUR OWN SIMULATION
Enter your starting capital, regular contribution, annual return and duration using precise numeric fields. Adjust contribution and compounding frequency, contribution growth and tax assumptions in advanced mode.

UNDERSTAND THE RESULTS
See the projected balance, contributions and interest through charts and a year-by-year table. Compare two scenarios and explore the contribution needed to reach a savings goal.

KEEP YOUR SIMULATIONS
Save calculations on your device, rename them, compare them later and undo an accidental deletion. Switch between light, dark and system themes.

LOCAL CALCULATIONS, ANALYTICS AND DIAGNOSTICS
The calculator works offline and does not require an account. Your simulation names and financial inputs are stored locally and are not sent to Analytics or Crashlytics. Analytics follows Google’s analytics-storage consent; unknown or denied signals do not permit collection. You can review available choices in Settings → Privacy and cookies. Crash reports are optional and off by default. Enable or disable them in the privacy options in Settings. Saved diagnostics refusals are preserved. Withdrawing Analytics does not disable diagnostics.

NATIVE ADVERTISING
The Android app contains one Google AdMob native ad in History after the third saved simulation. There are no ads in the calculator or results. Advertising choices are managed through Google UMP and can be reviewed in Settings → Privacy and cookies when available. Declining personalized ads may still allow limited or contextual ads. Your financial inputs and simulation names are not added to ad requests.

For full details, see the privacy policy linked in this listing.

Projections are mathematical illustrations based on your assumptions. They do not guarantee returns and are not personalized financial advice.

Support: support@endcodev.com

The app interface is available in English and Spanish. A one-time purchase can remove ads.
Explore compound growth, compare plans and calculate your savings goals.
Updated on
Nov 8, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

Improved tax and return calculations after withdrawals.