Compounder
Adam Maliborski Finance iPhoneiPadiPod touch
Compounder is a free Finance app for iPhone and iPad by Adam Maliborski. Requires iOS 13.0. Updated August 25, 2025.
- Price
- Free
- on the App Store
- Size
- 24 MB
- Age 4+
- Updated
- Aug 25
- 2025 · v1.1.2
Screenshots
About Compounder
Calculate compound interest with ease using the Compounder Tool. This is a smooth and intuitive compound interest calculator (aka FIRE Calculator) that helps you calculate and plan out your future earnings so you can achieve Financial Independence and Retire Early. Start planning to stop working today. Without a doubt, compounding interest is the most important concept to know to help you achieve financial independence earlier. At its most basic, compounding interest is a money multiplier. It is the money you earn for free from your money and is a key cornerstone in being financially independent. Everyone can take advantage of compounding interest, and you can start immediately. For example, let’s say you invest $100 each month with a 10% overall return each year (compounding quarterly). After 30 years, you’ll have saved $36,000. How much money do you think you would have earned from compounding interest? $60,000? $80,000? You earned over $180,000; making your total savings of $36,000 worth over $220,000 at the end of the 30 years (more than 6 times the amount you had saved). The Compounder calculator allows you to not only plan and calculate long and short-term savings potential, but also theory craft the impact of a flat taxation rate and inflation on your retirement goals. Features included: - Calculate the amount of money you could accumulate with your compound interest based investment - Yearly interest rate up to 100% - Multiple options for compounding frequency (daily, two-weekly, monthly, quarterly, 6-monthly, yearly) - Multiple options for duration of your investment (daily, weekly, monthly, yearly) to account for a broader range of investment avenues, including crypto - Unlike most other compound interest calculators, the Compounder includes both deposit and withdrawals in the one calculation to give a more complete picture of your finances - Display graph and detailed table view - Advanced settings include: • the ability to pre-set a starting figure. • enter a basic (flat) tax rate, with an option for a tax-free threshold. • set inflation to apply to your withdrawals. - Basic formula explanations included
What’s new
Version 1.1.2 · Updated August 25, 2025
Thank you for using Compounder. This update includes general bug fixes and performance improvements.
App privacy
The developer, Adam Maliborski, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Crash Data, Performance Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Performance Data
Used for: Third-Party Advertising, Analytics
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data
Used for: Third-Party Advertising, Analytics
Alternatives to Compounder
Looking for apps like Compounder? Here are 6 similar apps on the App Store. The highest rated is Finance Pro - Personal Finance (5.0/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Compounder | – | Free | August 25, 2025 | |
| Finance Pro - Personal Finance | 5.0 / 5 (1) | Free | Dec 13, 2025 | Compare |
| Compound Interest Calculator ・ | 5.0 / 5 (3) | Free | May 4, 2026 | Compare |
| Compound Interest Calculator A | 4.7 / 5 (53) | Free | May 11, 2026 | Compare |
| Investment Calculator - Calc | 4.7 / 5 (1,592) | Free | Aug 5, 2026 | Compare |
| Compound Interest Calculator. | 4.0 / 5 (8) | Free | Oct 5, 2026 | Compare |
| Calculator: Compound Interest | 4.0 / 5 (3) | Free | Aug 3, 2024 | Compare |
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