Best Fers Calculator Apps

249+ iOS apps curated and reviewed

4.0 avg rating
16 free apps
Updated September 2026

Whether you're new to fers calculator or looking for an upgrade, our curated collection of 249+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Fers Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1FERS CalculatorFERS CalculatorFree3.7★ (3)NoNoMay 2026
2FERS+CSRS Retirement EstimatorFERS+CSRS Retirement Estimator$9.994.7★ (1.4K)NoYesAug 2026
3FERS Pro: Pension CalculatorFERS Pro: Pension CalculatorFree4.1★ (7)NoYesSep 2026
4FERS CalcFERS CalcFreeNoNoMay 2026
5FERS ToolkitFERS ToolkitFree2.6★ (45)YesNoMay 2026
6FERS+CSRS Calculator -FedPayFERS+CSRS Calculator -FedPay$4.994.0★ (1)NoNoAug 2026
7Calculator ∞Calculator ∞$5.994.7★ (6.3K)NoYesSep 2026
8Calculator #Calculator #Free4.6★ (36K)YesYesSep 2026

Top Picks for Fers Calculator

FERS Calculator#1

FERS Calculator by Gabriel Ruliva

FERS High-3 calculator
Editor's Choice
💰 Finance
3.7(3 ratings)
Free
FERS Calculator screenshot 1
FERS Calculator screenshot 2
FERS Calculator screenshot 3

Estimate your federal retirement annuity with this tool. It calculates your potential pension based on your age, years of service, and your highest three-year average salary. Get a ballpark figure for your FERS retirement.

FERS+CSRS Retirement Estimator#2

FERS+CSRS Retirement Estimator by ISD CONSULTING INC

Strong Contender
💰 Finance
4.7😊(1.4K ratings)
$9.99In-App Purchases
#5in Finance
FERS+CSRS Retirement Estimator screenshot 1
FERS+CSRS Retirement Estimator screenshot 2
FERS+CSRS Retirement Estimator screenshot 3
FERS+CSRS Retirement Estimator screenshot 4
FERS+CSRS Retirement Estimator screenshot 5

Visualize your US Federal Employee retirement income for the next 50 years with this estimator. Easily adjust retirement dates to see their impact on your finances and identify potential low-income periods. Supports various federal employee types and offers an optional upgrade for advanced planning features.

What We Love

  • 💻 Comprehensive retirement planning tool
  • 📊 Helpful visualizations and graphs
  • 🔢 Accurate FERS retirement calculations
  • 🔍 Ability to explore different scenarios
  • 🕰️ Tracks income streams before and after retirement

Room to Improve

  • 🔍 Limited customization options for unique retirement situations
  • 🔢 Inaccurate calculations for some FERS retirees
  • 🔢 Lack of projected TSP growth during retirement
  • 🔒 Inconsistent experience between iOS and iPad versions
FERS Pro: Pension Calculator#3

FERS Pro: Pension Calculator by Vikorus, LLC

Federal Retirement & TSP
Worth Considering
💰 Finance
4.1(7 ratings)
FreeIn-App Purchases
FERS Pro: Pension Calculator screenshot 1
FERS Pro: Pension Calculator screenshot 2
FERS Pro: Pension Calculator screenshot 3
FERS Pro: Pension Calculator screenshot 4
FERS Pro: Pension Calculator screenshot 5
FERS Pro: Pension Calculator screenshot 6

Plan your federal retirement with accurate annuity estimates, VERA modeling, and a comprehensive view of all income streams. This tool helps federal employees understand their military buyback value and optimize TSP withdrawals.

More Fers Calculator apps to explore

FAQ about Fers Calculator

What are the best fers calculator apps for iPhone?
FERS Calculator tops our fers calculator apps ranking as of September 2026, with a 3.7-star average from 3 App Store ratings, and it's free to download.
Yes — 16 of the top fers calculator apps we rank are free to download, including FERS Calculator and FERS Pro: Pension Calculator.
FERS Calculator has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ fers calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
FERS Calculator is a tool designed to provide an estimated retirement annuity for federal employees under the Federal Employees Retirement System (FERS). It bases its calculations on your age, years of service, and your high-3 salary.
To use FERS Calculator, you will need to provide your current age, the total number of years you have served, and your highest three-year average salary. This data is used to compute an estimated retirement annuity.