Best 401K Calculator Apps

250+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated October 2026

Looking for free 401k calculator apps? 19 of our 250+ tracked titles are free to download β€” no subscription, no trial. The rest are premium picks worth paying for.

Compare top 401K Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Compound Interest CalcCompound Interest CalcFree4.8β˜… (6.5K)YesYesOct 2026
2401K Retirement Calculator401K Retirement CalculatorFree4.0β˜… (1)NoYesSep 2026
3Best Retirement CalculatorBest Retirement CalculatorFree4.3β˜… (3)NoNoMay 2026
4NetBenefitsNetBenefitsFree4.6β˜… (29K)NoNoOct 2026
5Retirement Cashflow CalculatorRetirement Cashflow CalculatorFreeβ€”NoNoMay 2026
6FIREPlan Retirement CalculatorFIREPlan Retirement CalculatorFreeβ€”NoYesSep 2026
7Investment Calculator - CalcInvestment Calculator - CalcFree4.7β˜… (1.6K)NoYesOct 2026
8Solo 401k CalculatorSolo 401k Calculator$2.99 was $9.99β€”NoNoSep 2026

Top Picks for 401K 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
401K Retirement Calculator#2

401K Retirement Calculator by Farouk Nasser

When Can I Retire Vanguard
Strong Contender
πŸ’° 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
πŸ’° 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

FAQ about 401K Calculator

What are the best 401k calculator apps for iPhone?
Compound Interest Calc tops our 401k calculator apps ranking as of October 2026, with a 4.8-star average from 6.5K App Store ratings, and it's free to download.
Yes β€” 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 October 2026.
We track 250+ 401k calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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