Best Investment Calculator Apps

250+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated September 2026

Compound Interest Calc is the household name in investment calculator, but it's far from the only option. We track 250+ alternatives and competitors on iOS β€” many free, many higher-rated than you'd expect.

Compare top Investment Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Compound Interest CalcCompound Interest CalcFree4.8β˜… (6.5K)YesYesSep 2026
2Investment Calculator - CalcInvestment Calculator - CalcFree4.7β˜… (1.6K)YesYesSep 2026
3Financial Calculator: PercentFinancial Calculator: PercentFree4.7β˜… (15K)NoYesSep 2026
4CompounderCompounderFree4.8β˜… (3.4K)NoNoSep 2026
5Vanguard: Save, Invest, RetireVanguard: Save, Invest, RetireFree4.6β˜… (177K)YesNoJul 2026
6Investment - Compound InterestInvestment - Compound InterestFree4.8β˜… (48)YesNoJul 2026
7EZ Financial CalculatorsEZ Financial CalculatorsFree4.4β˜… (51)YesNoAug 2026
8Investment Calculator - GrowthInvestment Calculator - GrowthFree was $0.99β€”NoNoMay 2026

Top Picks for Investment Calculator

Compound Interest Calc#1

Compound Interest Calc by Dane Hankamer

Plan | Invest | Retire
Editor's Choice
πŸ’° 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

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

Room to Improve

  • πŸ› Scaling issues on smaller devices
  • πŸ› Inaccurate calculations in certain scenarios
  • πŸ› Frequent ads disrupting user experience
  • πŸ› Crashing and compatibility issues
  • πŸ› Lack of customization options
Investment Calculator - Calc#2

Investment Calculator - Calc by Phan Nhat Đang

Compound interest, financial
Strong Contender
πŸ’° Finance
4.7😞(1.6K ratings)
FreeAdsIn-App Purchases
Investment Calculator - Calc screenshot 1
Investment Calculator - Calc screenshot 2
Investment Calculator - Calc screenshot 3
Investment Calculator - Calc screenshot 4

Easily assess investment value over time with detailed tables and charts. Includes tools for ROI, duration, and contribution calculations. Save and track your financial journey.

What We Love

  • πŸ‘ User-friendly interface
  • πŸ’‘ Helpful investment calculations

Room to Improve

  • πŸ’° Paywall for basic features
  • πŸ“’ Intrusive ads
  • πŸ› Calculation issues
  • πŸ€” Confusing subscription/unsubscription process
Financial Calculator: Percent#3

Financial Calculator: Percent by Applorium Ltd

Tax Percentage, Profit Margin
Worth Considering
πŸ’° Finance
4.7😊(15K ratings)
FreeIn-App Purchases
Financial Calculator: Percent screenshot 1
Financial Calculator: Percent screenshot 2
Financial Calculator: Percent screenshot 3
Financial Calculator: Percent screenshot 4
Financial Calculator: Percent screenshot 5
Financial Calculator: Percent screenshot 6

This app offers a comprehensive suite of over 40 financial and utility calculators. Easily handle complex calculations like investment analysis, tax percentages, profit margins, and everyday percentage needs with a clean and intuitive interface.

What We Love

  • πŸš€ Easy to use
  • πŸ‘ Versatile and feature-rich
  • πŸš€ Quick calculations
  • πŸ‘ Intuitive interface
  • πŸš€ Saves time
  • πŸ‘ Reliable and accurate
  • πŸ‘ Helpful for business owners
  • πŸ‘ Great customer support

Room to Improve

  • πŸ”’ In-app purchases not clearly disclosed
  • πŸ’° Perceived as overpriced for some users

More Investment Calculator apps to explore

FAQ about Investment Calculator

What are the best investment calculator apps for iPhone?
Compound Interest Calc tops our investment 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 β€” 20 of the top investment calculator apps we rank are free to download, including Compound Interest Calc and Investment Calculator - Calc.
Compound Interest Calc shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ investment 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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