Best Free Investment Calculator Apps

237+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Every iPhone needs a few good free investment calculator apps. We benchmark 237+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Free Investment Calculator

Compound Interest Calc#1

Compound Interest Calc by Dane Hankamer

Plan | Invest | Retire
Editor's Choice
πŸ’° Finance
4.5😊(220 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
Compound Interest Calc screenshot 6

This application helps users plan, invest, and retire by calculating the future value of their investments using a predictive formula based on compound interest. Start investing today to potentially become a millionaire in the future!

What We Love

  • πŸš€ Easy to use
  • πŸš€ Visually appealing
  • πŸš€ Helpful for financial planning
  • πŸš€ Powerful compound interest calculations

Room to Improve

  • πŸ› Scaling issues on smaller devices
  • πŸ› Inaccurate calculations in certain scenarios
  • πŸ› Frequent ads disrupting user experience
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

An investment calculator app that helps users track and optimize their investments over time with detailed growth tables, charts, and financial metrics like ROI. Subscribe for unlimited access to features like investment data storage, goal duration calculation, and contribution planning. Make informed investment decisions and stay financially savvy! Contact us for any requests or questions. Visit our Facebook page for more information.

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
Compounder#3

Compounder by James Bevins

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

"Compounder is an interest calculator app that helps you quickly calculate compound interest, where interest is earned on the initial principal plus accumulated interest from previous periods. Start saving and see how your money grows over time with compound interest. Try it now!"

What We Love

  • πŸ‘ Easy to use
  • πŸš€ Instant results
  • πŸ’‘ Helps explain investments
  • πŸš€ Simple and easy to use

Room to Improve

  • πŸ› Glitchy and not user-friendly after update
  • πŸ› Can't use quarterly, monthly, or weekly buttons after update
  • πŸ› New version not working well on iPhone

More Free Investment Calculator apps to explore

4
EZ Financial Calculators
EZ Financial Calculators
EZ Financial Calculators
by Bishinew Incorporated
Free

A comprehensive financial calculator app offering a wide range of calculators for finance, investment, loans, retirement, bonds, stocks, credit cards, auto loans, and more. Customize and prioritize calculators, share results via email, and enjoy offline functionality except for the Currency Converter. Contact pfinanceapp@gmail.com for questions or support.

πŸ’° Finance
(46)
5
Financial Calculator: Percent
Financial Calculator: Percent
Financial Calculator: Percent
Tax Percentage, Profit Margin
Free

Effortlessly calculate percentages with our user-friendly app. Whether you need to figure out discounts, tips, or percentage increases, our tool makes it simple. Try it now for quick and accurate percentage calculations!

πŸ’° Finance
(14K)
6
Compound Interest Calculator X
Compound Interest Calculator X
Compound Interest Calculator X
Future Value of Money & Stocks
Free

Calculate the future value of investments swiftly and accurately with our Compound Interest Calculator X. Plan your finances effectively and watch your money grow. Start calculating now!

πŸ’° Finance
(574)
7
PowerOne calculator
PowerOne calculator
PowerOne calculator
Finance, scientific, and more
Free
πŸ”§ Utilities
(748)
8
Vanguard: Save, Invest, Retire
Vanguard: Save, Invest, Retire
Vanguard: Save, Invest, Retire
Investing, Advice, Retirement
Free

The Vanguard app provides easy mobile investing and account management with features like tracking account performance, making trades, and accessing support. Stay on top of your investments and financial goals conveniently from your mobile device.

πŸ’° Finance
(177K)
9
Stock Calculator, Profit Calc
Stock Calculator, Profit Calc
Stock Calculator, Profit Calc
Return: BTC, Crypto, Dividend
Free

Calculate your stock returns effortlessly with this intuitive app. Get detailed results like Break-Even Share Price, ROI, and more. Have any requests or need assistance? Reach out to us! Contact: phannhatd@gmail.com.

πŸ”§ Utilities
(318)
10
Calculatorβ‚Š
Calculatorβ‚Š
Calculatorβ‚Š
Basic, Scientific, Plus Calc
Free

Try Calculatorβ‚Š, the ultimate mathematics tool offering basic, scientific, and plus calculations. Ideal for homework, exams, and managing expenses, this app is like having a personal math tutor on your phone. Download now for easy and intuitive math solutions!

πŸ”§ Utilities
(1.7M)
11
Calculator: No Ads / Ad-Free
Calculator: No Ads / Ad-Free
Calculator: No Ads / Ad-Free
Basic, Scientific & Finance
Free

An ad-free calculator application for mortgage calculations and more. Crunch numbers without distractions.

πŸ”§ Utilities
(4.5K)
12
BA Financial Calculator
BA Financial Calculator
BA Financial Calculator
BAII Plus Emulator
Free

This app, developed as a BAII Plus emulator, caters to CFA candidates and charterholders, offering identical functionality to the TI calculator with a user-friendly experience. For support, contact cfa.calculator@gmail.com.

πŸ’° Finance
(2.9K)
13
BA Financial Calculator Plus
BA Financial Calculator Plus
BA Financial Calculator Plus
TVM, NPV, Loan, ROI Calculator
Free
$5.99 | 100% OFF

This financial calculator app combines traditional and modern calculators to help with various financial calculations, including time value of money, net present value, and return on investment, with features like AI explanations, data visualization, and report generation. Unlock advanced features with a subscription and start making informed financial decisions today.

πŸ’° Finance
(133)
14
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A versatile and customizable calculator app offering basic and scientific functions, memory features, history tape, and various layout options. Users can personalize their color themes, access scientific functions, and easily perform complex calculations, all with ad-supported convenience. Explore the app now for a powerful and user-friendly calculation experience!

πŸ”§ Utilities
(3K)
15
CD Calculator - Calc
CD Calculator - Calc
CD Calculator - Calc
The Certificate of Deposit
Free
πŸ’° Finance
(248)
16
Investment Calculator - CalCon
Investment Calculator - CalCon
Investment Calculator - CalCon
Part of CalCon Calculator
Free
πŸ”§ Utilities
(0)
17
Investing Calculator
Investing Calculator
Investing Calculator
Compound Interest Calculator
Free

This compound interest calculator app helps users plan their financial future by providing comprehensive calculations, customizable inputs, and intuitive visualizations. With its user-friendly interface and detailed charts, it enables users to make informed financial decisions and maximize their investments.

πŸ’° Finance
(6)
18
Investment Calculator (Past)
Investment Calculator (Past)
Investment Calculator (Past)
Stock Calculator
Free

This application allows users to calculate the potential value of their investments by determining how much money they would have if they had invested in a particular stock or financial commodity in the past. It provides key metrics, such as return on investment and number of stocks bought, and offers a visual representation of the stock's performance over time, helping users make informed decisions.

πŸ’° Finance
(30)
19
Wallet - Daily Budget & Profit
Wallet - Daily Budget & Profit
Wallet - Daily Budget & Profit
Personal Expense Tracker
Free

An app that helps you set daily budgets, track expenses, and manage your finances with ease. Stay on top of your spending habits effortlessly. Start saving more today!

πŸ’° Finance
(5.8K)
20
Thrift Savings Plan
Thrift Savings Plan
Thrift Savings Plan
Official app of the TSP
Free

Manage your Thrift Savings Plan easily with the official TSP app. View account summary, monitor investments, use tools like the TSP virtual assistant, and securely manage your account on-the-go. Download now and stay on top of your finances conveniently.

πŸ’Ό Business
(105K)