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Screenshots

  • Compounder screenshot 1
  • Compounder screenshot 2
  • Compounder screenshot 3

About Compounder

Compounder lets you easily calculate the power of compound interest to reach your financial goals—whether for savings, investments, or retirement planning. What is compound interest? Compound interest is the interest calculated on both the initial principal and the accumulated interest from previous periods. This powerful tool can make a big difference over time! Example: Imagine starting with $1,000 in savings, contributing $500 monthly at an 11% annual return. After 40 years, that account could grow to $4.38 million! Even small, regular contributions—like the average American car payment—can build lasting wealth. Features: Quickly calculate compound interest with flexible settings. Factor in periodic withdrawals or additional contributions to see how they affect your growth. Easy-to-use interface, designed for anyone wanting to understand and harness compound interest, without needing a finance background. You don’t need to be a Wall Street broker to become a millionaire. Start planning your financial future with Compounder today!

Ratings & reviews

4.8

4.2K ratings

5 ★ 91% 4 ★ 6% 3 ★ 2% 2 ★ 0% 1 ★ 1%

What’s new

Version 2.0 · Updated October 31, 2024

Thank you all for the incredible support since Compounder’s initial release! I’m thrilled to announce our first major update in years, packed with new features and a fresh, modern design. You asked, and we listened! Now, along with calculating compound interest, you can factor in periodic withdrawals to see how they impact your growth over time. This was a much needed features and I am so excited for you all to try it out! Your feedback is invaluable, and I read every review! If you’re enjoying the new features, please take a moment to leave a review on the Apple App Store. Your insights help shape future updates!

App privacy

The developer, James Bevins, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Compounder

Looking for apps like Compounder? Here are 6 similar apps on the App Store. The highest rated is Compound Interest Calc (4.8/5), and all 6 are free to download.

Compounder vs. alternatives
App Rating Price Last updated
Compounder 4.8 / 5 (4,226 ratings) Free October 31, 2024
Compound Interest Calc 4.8 / 5 (6,645) Free May 28, 2026
Compound Interest Calculator F 4.8 / 5 (235) Free Sep 1, 2026
Investment Calculator - Calc 4.7 / 5 (1,588) Free Aug 5, 2026
Financial Calculator: Percent 4.7 / 5 (14,792) Free Sep 21, 2026
Loan Calculator - Loan2Me 4.8 / 5 (8,238) Free Sep 15, 2026
Loan Calculator - Debt Planner 4.6 / 5 (22,516) Free Sep 25, 2026