# Compound Interest Calculator F — Retirement FIRE Calculator

> Calculate investment growth using compound interest for financial independence. (iPhone/iPad app by An Do.)

- Source: https://appshunter.io/ios/app/compound-interest-calculator-f/id907424961 (this page in markdown: same URL + `.md`)
- Developer: [An Do](https://appshunter.io/developer/907424964)
- Category: Finance, Business
- Price: Free
- Rating: 4.70/5 from 178 App Store ratings · 45 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.1 · 47 MB
- Languages: American English
- Released: 2014-08-14
- Data updated: 2026-08-26
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/compound-interest-calculator-f/id907424961/reviews.md

## What is Compound Interest Calculator F?

Compound Interest Calculator (aka FIRE Calculator) is a free compound interest calculator and retirement planning tool for people chasing Financial Independence, Retire Early (FIRE). Whether you are aiming for Lean FIRE, Coast FIRE, Barista FIRE, or Fat FIRE, use it to project your nest egg, model savings rate and contributions, and see how compounding can grow your portfolio over time.

Compound interest is interest earned on interest. When investment returns are reinvested, each period earns on your principal plus previously accumulated gains. That compounding snowball is the engine behind long-term investing, passive income goals, and building enough invested assets to cover living expenses in early retirement.

Plan short-term savings and multi-decade FIRE timelines in one place. Set starting principal, expected annual return, contribution or withdrawal amount, contribution frequency, compounding frequency, and time horizon. Switch between contribution mode for accumulation and withdrawal mode for drawdown planning, including scenarios inspired by safe withdrawal rate thinking and the 4% rule. Review projected balances, charts, and year-by-year tables so you can stress-test your FI number before you leave full-time work.

Features included:
- Calculate future value with the compound interest formula
- Contribution and withdrawal modes for growth and retirement drawdown
- Contribution frequencies including monthly, quarterly, semiannually, and daily
- Smart Insight tips based on your calculation
- Graph and table views under your results
- Formulas included for reference
- Save, reorder, and share calculations with friends or your FIRE community
- Dark Mode and Light Mode

## Key features

- Calculate future investment value
- Multiple contribution frequencies
- Graph and table visualizations
- Formula explanations
- Save and share results
- Dark/Light mode

## Recent user reviews (10 of 45)

All indexed reviews: https://appshunter.io/ios/app/compound-interest-calculator-f/id907424961/reviews.md

### 5/5 — Easy to Use

*2026-08-15*

Easy to use.  Love the app. Use it all the time for running different retirement and investment scenarios.

### 5/5 — Fabulous Easy to Use

*2026-08-14*

This calculator allows me to do simple scenarios with a variety of deposits, interest rates, and withdrawals.  I love it as it helps me plan my future

### 5/5 — Great app!

*2026-08-14*

Really helpful app for modeling. While it doesn’t give you depth in analysis, it does give you a strong foundation for how to think about expense impact as well as compounding effects of investing

### 5/5 — Review

*2026-08-11*

It’s awesome

### 5/5 — A favorite app

*2026-08-10*

I use this handy calculator several times a week to model savings and withdrawal decisions. It is easy to use and works well.

### 5/5 — Simple, Quick, Great

*2026-08-10*

Ive used this app for years to make quick projections

### 5/5 — Super Useful

*2026-08-08*

Been using this app for years. I’ve always appreciated the formulas being presented at the bottom. I use the app for modeling basic retirement scenarios. I wish there were a paid version to remove ads (not a subscription!).

### 5/5 — Useful!

*2026-08-08*

I love this app. It helps a lot with financial planning and better understanding of compound interest. I love the withdrawal feature. It’s why I am loyal to this app!

### 5/5 — Great App

*2026-08-08*

I have been using is for years - love it

### 5/5 — Very helpful Quick Tool

*2026-08-06*

Love this simple but very helpful compound calculator. Has everything you need to see for a quick compound analysis.

## Frequently asked questions about Compound Interest Calculator F

### What does the Compound Interest Calculator do?

This app helps you calculate and plan your investments to achieve financial independence and retire early. It demonstrates how compound interest, where you earn interest on previously earned interest, can significantly grow your savings over time.

### What are the key features of this app?

The app allows you to calculate the future value of your investments using the compound interest formula. It offers multiple contribution frequencies (monthly, quarterly, etc.), displays results in graphs and tables, includes formulas, and lets you save and share your projections. It also supports both dark and light modes.

### Is this app free to use?

Yes, the app is free to use. It is supported by advertisements, which are displayed within the application.

### What kind of investments can I plan with this app?

The app is designed to help you plan both long-term and short-term savings and investments. It's particularly useful for understanding how regular contributions and compound interest can lead to significant wealth accumulation for goals like financial independence and early retirement.

### Can I see how my investment will grow over time?

Absolutely. The app provides clear visualizations of your investment growth through both graph and table views, allowing you to see the projected outcome of your savings strategy over various time periods.

## Version history (last 5 releases)

### 4.0.1 — 2026-07-25

- Smart Insight on your calculation
- Fixed the share button
- Charts now show tooltips on tap
- Better withdrawal mode and breakdown
- Better Bookmark system
- Swipe to delete saved calculations
- Reorder saved calculations
- Pin and unpin inputs from the top

### 3.1.3 — 2021-04-18

minor bug fixes

### 3.1.2 — 2020-09-24

Added contribution and profit on each year.
Improved compound frequency dropdown.
Included a few tips on how to use the app.

### 3.0.8 — 2020-09-22

Toggle between Withdrawal & Addition more visible
Minor bug fixes & Improvements

### 3.0.4 — 2020-09-13

Toggle between Periodic Addition and Periodic Withdrawal

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*