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Compounder

Compounder

A compound interest calculator

0 ratings
3 reviews
With Ads
🔧 Utilities
💰 Finance
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • March 18, 2022
  • August 25, 2025

Features

Developer

Adam Maliborski
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Compounder screenshot #1 for iPhone
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iphone
ipad
🧾$0.99
In-App Purchase↘︎
⭐3
Reviews↘︎
🔄6+ apps
Alternatives↘︎
❓8 answered
FAQ↘︎
📦w/o updates
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About

Easily calculate compound interest to plan your future earnings and achieve financial independence. This tool helps you visualize long-term savings, factoring in taxes and inflation for a comprehensive financial outlook.

✓Compound interest calculation
✓Variable compounding frequency
✓Deposit and withdrawal tracking
✓Tax and inflation impact analysis
✓Graph and table visualizations
✓Customizable starting figures
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What's New in Compounder

1.1.2

August 25, 2025

Thank you for using Compounder. This update includes general bug fixes and performance improvements.

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In-App Purchases

$0.99

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User reviews

Most RecentHighest RatedLowest Rated

Motivation in an app!

This app actually gave me the motivation I needed to finally invest my savings. I love playing around with the graph to see how much a small change in monthly contributions makes a huge difference long-term and it really helped me refocus on my financial goals. I even used it to explain compounding interest to my two teenagers and (small miracle!) they now see the benefit in saving and investing in the future rather than spending all their money on “stuff”.

This is a really easy and simple tool to help improve financial literacy, understand the benefits of long-term investment and compounding interest, and definitely motivated me to double my own efforts to achieve. Would definitely recommend and it might motivate you as much as it did for me!
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mcsqueegsmcsqueegs

Great App!

This is such a good compound interest calculator. Good options for customization and a nice UI.
LP45213LP45213

Excellent!!!

The app works perfectly, and I especially appreciate the advanced settings for tax consideration.
ceruleanscarab75ceruleanscarab75

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FAQ

What is Compounder?

Compounder is a compound interest calculator designed to help users plan their future earnings and achieve financial independence. It allows for detailed calculations including taxes and inflation.

How does Compounder calculate compound interest?

Compounder calculates compound interest based on your initial investment, yearly interest rate, compounding frequency, and investment duration. It can also incorporate deposits and withdrawals.

Can Compounder account for taxes and inflation?

Yes, Compounder includes advanced settings to factor in a flat tax rate with a tax-free threshold, and the impact of inflation on your withdrawals.

What compounding frequencies does Compounder support?

Compounder offers multiple options for compounding frequency, including daily, two-weekly, monthly, quarterly, 6-monthly, and yearly.

Does Compounder have ads?

Yes, Compounder contains advertisements to support its development and free availability.

What devices can I use Compounder on?

Compounder is available for iPhone, iPad, and iPod devices, indicated by its support for iOS platforms.

How often is Compounder updated?

The latest version of Compounder is 1.1.2, and it was last updated on August 25, 2025, suggesting regular updates for improvements and new features.

Is Compounder suitable for beginners in finance?

Yes, Compounder is designed to be intuitive and includes basic formula explanations, making it accessible for beginners looking to understand compound interest.