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Best 401K Calculator Apps

249+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated September 2026

Looking for free 401k calculator apps? 19 of our 249+ tracked titles are free to download โ€” no subscription, no trial. The rest are premium picks worth paying for.

Compare top 401K Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Compound Interest CalcCompound Interest CalcFree4.8โ˜… (6.5K)YesYesAug 2026
2401K Retirement Calculator401K Retirement CalculatorFree4.0โ˜… (1)NoYesAug 2026
3Best Retirement CalculatorBest Retirement CalculatorFree4.3โ˜… (3)NoNoMay 2026
4Retirement Calculator, PlannerRetirement Calculator, PlannerFree4.4โ˜… (307)NoYesSep 2026
5Solo 401k CalculatorSolo 401k Calculator$9.99โ€”NoNoAug 2026
6EZ Financial CalculatorsEZ Financial CalculatorsFree4.4โ˜… (51)YesNoAug 2026
7NetBenefitsNetBenefitsFree4.6โ˜… (29K)NoNoAug 2026
8Retirement Cashflow CalculatorRetirement Cashflow CalculatorFreeโ€”NoNoMay 2026

Top Picks for 401K Calculator

Compound Interest Calc#1

Compound Interest Calc by Dane Hankamer

Plan | Invest | Retire
Editor's Choice
๐Ÿ’ฐ Finance
4.8๐Ÿ˜Š(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

  • ๐Ÿš€ Easy to use
  • ๐Ÿš€ Visually appealing
  • ๐Ÿš€ Helpful for financial planning
  • ๐Ÿš€ Powerful compound interest calculations

Room to Improve

  • ๐Ÿ› Scaling issues on smaller devices
  • ๐Ÿ› Inaccurate calculations in certain scenarios
  • ๐Ÿ› Frequent ads disrupting user experience
401K Retirement Calculator#2

401K Retirement Calculator by Farouk Nasser

When Can I Retire Vanguard
Strong Contender
๐Ÿ’ฐ Finance
4.0(1 ratings)
FreeIn-App Purchases
401K Retirement Calculator screenshot 1
401K Retirement Calculator screenshot 2
401K Retirement Calculator screenshot 3
401K Retirement Calculator screenshot 4
401K Retirement Calculator screenshot 5
401K Retirement Calculator screenshot 6

Estimate and manage your retirement savings with this tool. It forecasts your 401(k) balance, explores distributions, and helps you understand early withdrawal penalties and employer match optimization. Plan effectively by adjusting various financial inputs.

Best Retirement Calculator#3

Best Retirement Calculator by Avulant LLC

5 simple questions.
Worth Considering
๐Ÿ’ฐ Finance
4.3(3 ratings)
Free
Best Retirement Calculator screenshot 1

Estimate how long your retirement savings will last with this free finance tool. Quickly adjust variables like withdrawal amounts, investment returns, and inflation to explore different retirement scenarios and determine your financial needs.

More 401K Calculator apps to explore

4
Retirement Calculator, Planner
Retirement Calculator, Planner
Retirement Calculator, Planner
Preparing finances for old age
Free

This app helps you plan your retirement finances with personalized guidance and detailed schedules. It offers accurate calculations for savings and withdrawals, allowing you to track your progress and adjust your strategy for financial freedom.

Accurate retirement savings calculationsPersonalized saving strategy adviceDetailed annual contribution and distribution schedule
๐Ÿ”ง Utilities
(307)
subscription
5
Solo 401k Calculator
Solo 401k Calculator
Solo 401k Calculator
Self-Employed Retirement
$9.99
๐Ÿ’ฐ Finance
(0)
6
EZ Financial Calculators
EZ Financial Calculators
EZ Financial Calculators
by Bishinew Incorporated
Free

Access a comprehensive suite of financial tools for personal and business use. Calculate loans, mortgages, investments, retirement savings, and more with ease. This app offers a wide range of specialized calculators for detailed financial analysis.

Finance and Investment CalculatorsLoan and Mortgage CalculatorsRetirement Planning Tools
๐Ÿ’ฐ Finance
(51)
ad-supported
7
NetBenefits
NetBenefits
NetBenefits
Fidelity workplace benefits
Free

Manage your Fidelity workplace benefits, including retirement savings, stock options, health insurance, and HSAs. Track account balances, investments, and expenses. Plan for your future with personalized tools and educational resources.

Manage retirement savingsAccess stock optionsView health insurance details
๐Ÿ’ฐ Finance
(29K)
free
8
Retirement Cashflow Calculator
Retirement Cashflow Calculator
Retirement Cashflow Calculator
Glide into Golden Years
Free
๐Ÿ’ฐ Finance
(0)
9
Investment Calculator - Calc
Investment Calculator - Calc
Investment Calculator - Calc
Compound interest, financial
Free

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.

Investment progression tables and chartsReturn on Investment (ROI) calculationInvestment duration and contribution planning
๐Ÿ’ฐ Finance
(1.6K)
subscription
10
FFCalc - Retirement Calculator
FFCalc - Retirement Calculator
FFCalc - Retirement Calculator
FIRE & Freedom Planner
Free

This app helps you determine how long you need to save until financial independence. Input your income, expenses, and current savings to receive personalized retirement timelines. Visual charts and tables illustrate your projected savings growth year by year.

Financial freedom timeline calculationIncome and spending inputCurrent savings tracking
๐Ÿ’ฐ Finance
(396)
free with in-app purchases
11
Compounding Calculator
Compounding Calculator
Compounding Calculator
by Jon Jones
Free

Easily estimate the future returns of your investments, including retirement accounts and stock trading. View detailed breakdowns of your investment growth over time, including returns and withdrawals.

Estimate future investment returnsTrack retirement accountsAnalyze stock trading growth
๐Ÿ’ฐ Finance
(2)
free
12
Snowball: Compound Calculator
Snowball: Compound Calculator
Snowball: Compound Calculator
Compound Interest Calculator
Free
๐Ÿ’ฐ Finance
(0)
13
Fidelity Investments
Fidelity Investments
Fidelity Investments
Invest, save, plan in one app.
Free

Invest in stocks, ETFs, and cryptocurrencies with professional insights and powerful tools. Manage cash, pay bills, and automate investments. Offers 24/7 support and robust account protection.

Invest in stocks, ETFs, mutual fundsTrade cryptocurrenciesCash management and bill pay
๐Ÿ’ฐ Finance
(3.3M)
free with in-app purchases
14
Wealthfront: Save and Invest
Wealthfront: Save and Invest
Wealthfront: Save and Invest
Saving, investing, stocks.
Free

This app offers a high-yield cash account, automated investing with expert-built portfolios, and commission-free stock trading. It provides a consolidated view of your finances to help you build wealth and plan for retirement.

High-yield cash account with APYAutomated ETF portfoliosCommission-free stock and ETF investing
๐Ÿ’ฐ Finance
(17K)
free with in-app purchases
15
The Retirement Planner.
The Retirement Planner.
The Retirement Planner.
Interactive 401k Slider & TVM
Free
๐Ÿ’ฐ Finance
(0)
16
Interest Calculator Compound
Interest Calculator Compound
Interest Calculator Compound
Easily Calculate Interest
Free
๐Ÿ’ฐ Finance
(0)
17
Compounder
Compounder
Compounder
Interest Calculator
Free

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.

Calculate compound interestFlexible settingsFactor in periodic withdrawals
๐Ÿ’ฐ Finance
(3.4K)
free
18
WISALA Calculator
WISALA Calculator
WISALA Calculator
by Global Funds For Widows Inc
Free
๐Ÿ”ง Utilities
(0)
19
Loanify : Loan EMI Calculator
Loanify : Loan EMI Calculator
Loanify : Loan EMI Calculator
Loan EMI & All in 1 calculator
Free
๐Ÿ’ฐ Finance
(0)
20
Calculator - Editable History
Calculator - Editable History
Calculator - Editable History
Edit History, Tax & Reference
Free
๐Ÿ”ง Utilities
(0)

FAQ about 401K Calculator

What are the best 401k calculator apps for iPhone?
Compound Interest Calc tops our 401k 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 โ€” 19 of the top 401k calculator apps we rank are free to download, including Compound Interest Calc and 401K Retirement Calculator.
Compound Interest Calc shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ 401k 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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