Best Compound Interest Calculator Apps

250+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated September 2026

Out of 250+ compound interest calculator apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Compound Interest Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Compound Interest CalcCompound Interest CalcFree4.8★ (6.5K)YesYesSep 2026
2Compound Interest Calculator FCompound Interest Calculator FFree4.7★ (201)YesNoSep 2026
3CompounderCompounderFree4.8★ (3.4K)NoNoSep 2026
4Compound Interest SimulatorCompound Interest SimulatorFree4.9★ (415)YesYesSep 2026
5EZ Financial CalculatorsEZ Financial CalculatorsFree4.4★ (51)YesNoAug 2026
6Calculator: Compound InterestCalculator: Compound InterestFree5.0★ (2)YesNoMay 2026
7Financial Calculator: PercentFinancial Calculator: PercentFree4.7★ (15K)NoYesSep 2026
8Compound Interest & WithdrawalCompound Interest & WithdrawalFree was $0.99NoNoJul 2026

Top Picks for Compound Interest Calculator

Compound Interest Calc#1

Compound Interest Calc by Dane Hankamer

Plan | Invest | Retire
Editor's Choice
💰 Finance
4.8😊(6.5K ratings)
FreeAdsIn-App Purchases
Compound Interest Calc screenshot 1
Compound Interest Calc screenshot 2
Compound Interest Calc screenshot 3
Compound Interest Calc screenshot 4
Compound Interest Calc screenshot 5

Plan your financial future with a powerful compound interest calculator. It helps you visualize investment growth with periodic contributions and plan retirement withdrawals with inflation adjustments. Offers detailed breakdowns and interactive charts for informed financial decisions.

What We Love

  • 🚀 Easy to use
  • 🚀 Visually appealing
  • 🚀 Helpful for financial planning
  • 🚀 Powerful compound interest calculations
  • 🚀 Intuitive interface
  • 🚀 Useful for retirement planning
  • 🚀 Great visualization of investment growth

Room to Improve

  • 🐛 Scaling issues on smaller devices
  • 🐛 Inaccurate calculations in certain scenarios
  • 🐛 Frequent ads disrupting user experience
  • 🐛 Crashing and compatibility issues
  • 🐛 Lack of customization options
Compound Interest Calculator F#2

Compound Interest Calculator F by An Do

Retirement FIRE Calculator
Strong Contender
💰 Finance
4.7(201 ratings)
FreeAds
Compound Interest Calculator F screenshot 1
Compound Interest Calculator F screenshot 2
Compound Interest Calculator F screenshot 3
Compound Interest Calculator F screenshot 4
Compound Interest Calculator F screenshot 5

Calculate and plan your investments to achieve financial independence and early retirement. Understand the power of earning interest on your interest with detailed projections and visualizations. Start snowballing your money today for a wealthier future.

Compounder#3

Compounder by James Bevins

Interest Calculator
Worth Considering
💰 Finance
4.8😊(3.4K ratings)
Free
Compounder screenshot 1
Compounder screenshot 2
Compounder screenshot 3

Calculate the growth of savings and investments using compound interest. Explore how regular contributions and withdrawals impact your financial goals over time. Designed for anyone to understand and utilize the power of compounding for wealth building.

What We Love

  • 👍 Easy to use
  • 🚀 Instant results
  • 💡 Helps explain investments
  • 🚀 Simple and easy to use
  • 👍 Best and easiest compound calculator
  • 👍 Go-to app for compound calculations
  • 🚀 Makes calculating retirement simple

Room to Improve

  • 🐛 Glitchy and not user-friendly after update
  • 🐛 Can't use quarterly, monthly, or weekly buttons after update
  • 🐛 New version not working well on iPhone
  • 🐛 Can't click off of monthly to quarterly, yearly, or weekly
  • 🐛 Compound frequency stuck on monthly after update
  • 🐛 App crashes after update
  • 🐛 Ads running across the top of the screen

More Compound Interest Calculator apps to explore

FAQ about Compound Interest Calculator

What are the best compound interest calculator apps for iPhone?
Compound Interest Calc tops our compound interest calculator apps ranking as of September 2026, with a 4.8-star average from 6.5K App Store ratings, and it's free to download.
Yes — 19 of the top compound interest calculator apps we rank are free to download, including Compound Interest Calc and Compound Interest Calculator F.
Compound Interest Calc shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ compound interest calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app is a financial planning companion that helps you calculate compound interest for investment growth and plan retirement withdrawals. It provides tools to visualize how your money grows over time with periodic contributions and how long your savings will last when accounting for inflation.
Key features include a Growth Mode to calculate investment growth with periodic contributions and visualize it with interactive charts, and a Withdrawal Mode to plan retirement withdrawals with inflation adjustments and calculate how long savings will last. It also offers detailed year-by-year breakdowns and real-time calculations.

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