Best Fers Calculator Apps

249+ iOS apps curated and reviewed

4.0 avg rating
16 free apps
Updated August 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 (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1FERS CalculatorFERS CalculatorFree3.7★ (3)NoNoMay 2026
2FERS Pro: Pension CalculatorFERS Pro: Pension CalculatorFree4.0★ (6)NoYesAug 2026
3FERS CalcFERS CalcFreeNoNoMay 2026
4FERS+CSRS Retirement EstimatorFERS+CSRS Retirement Estimator$9.994.7★ (1.4K)NoYesAug 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)NoYesAug 2026
8Calculator: EasyCalcCalculator: EasyCalcFreeYesYesJul 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 Pro: Pension Calculator#2

FERS Pro: Pension Calculator by Vikorus, LLC

Federal Retirement & TSP
Strong Contender
💰 Finance
4.0(6 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

4
FERS+CSRS Retirement Estimator
FERS+CSRS Retirement Estimator
FERS+CSRS Retirement Estimator
by ISD CONSULTING INC
$9.99

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.

Visual retirement income graphAdjustable retirement datesEarly retirement date calculation
💰 Finance
(1.4K)
free with in-app purchases
5
FERS Toolkit
FERS Toolkit
FERS Toolkit
by Solution22 LLC
Free

Plan your federal retirement with ease. This tool provides eligibility information, allows you to select a retirement date, and estimates your annuity. Create multiple profiles to compare scenarios and generate a retirement planning certificate.

Eligibility informationRetirement date selectionEstimated annuity calculation
💰 Finance
(45)
ad-supported
6
FERS+CSRS Calculator -FedPay
FERS+CSRS Calculator -FedPay
FERS+CSRS Calculator -FedPay
Retirement payment 2026 calc
$4.99

This app calculates your complete U.S. federal employee retirement picture, including pension, TSP, Social Security, and net take-home pay after taxes and health costs. It offers detailed projections and scenario comparisons, all running securely on your device.

Pension, TSP, and Social Security projectionsFERS Annuity Supplement calculationTax and health cost projections
💰 Finance
(1)
paid
7
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
📚 Education
(6.3K)
free with in-app purchases
8
Calculator: EasyCalc
Calculator: EasyCalc
Calculator: EasyCalc
Smart Calculator & Converter
Free
🔧 Utilities
(0)
9
Smart - Scientific Calculator
Smart - Scientific Calculator
Smart - Scientific Calculator
by Shreyaskumar Patel
Free

This utility app offers a comprehensive suite of calculators for everyday financial, health, and date-related needs. It includes tools for loans, investments, taxes, health metrics, and unit conversions, along with a math solver.

Basic & Scientific CalculationsLoan & Investment CalculatorsHealth & Date Calculators
🔧 Utilities
(1)
ad-supported
10
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
🔧 Utilities
(36K)
free with in-app purchases
11
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(61K)
free
12
Loanify : Loan EMI Calculator
Loanify : Loan EMI Calculator
Loanify : Loan EMI Calculator
Loan EMI & All in 1 calculator
Free
💰 Finance
(0)
13
Calculator & Beyond
Calculator & Beyond
Calculator & Beyond
60+ Calculators, 8 Categories
Free
🔧 Utilities
(0)
14
Loan Calc: Loan EMI Calculator
Loan Calc: Loan EMI Calculator
Loan Calc: Loan EMI Calculator
Loan EMI, SIP & Mortgage Tools
Free
💰 Finance
(0)
15
Loan Cal: Easy EMI Calculator
Loan Cal: Easy EMI Calculator
Loan Cal: Easy EMI Calculator
Easy Loan EMI Calculator
Free
💰 Finance
(0)
16
Calculator You Like
Calculator You Like
Calculator You Like
Classic scientific calculator
Free

This app offers a classic scientific calculator with both simple and engineering modes. It allows users to save calculations, customize the background with personal images, and preview expressions. It supports a range of Apple devices and includes dark/light modes.

Simple and engineering calculator modesCalculation history with notes and sharingCustomizable background and color themes
🔧 Utilities
(0)
free with in-app purchases
17
Scientific Calculator FX-991CW
Scientific Calculator FX-991CW
Scientific Calculator FX-991CW
Equation, Matrix & Math Solver
Free
🔧 Utilities
(0)
18
EMI Loan Calculator - Credit
EMI Loan Calculator - Credit
EMI Loan Calculator - Credit
Loans EMI Finance Calculator
Free
💰 Finance
(0)
19
Nova Calc: Smart Calculator
Nova Calc: Smart Calculator
Nova Calc: Smart Calculator
Clean, Fast & No Ads
Free
🔧 Utilities
(0)
20
Desired Resistance Calculator
Desired Resistance Calculator
Desired Resistance Calculator
by Ekrem Nurdag
$1.99

This tool helps you find the closest standard resistor value by combining two standard resistors in series or parallel. It supports E12 and E24 resistor series for precise calculations.

Calculates series resistor combinationsCalculates parallel resistor combinationsSupports E12 resistor series
📊 Productivity
(0)
paid

FAQ about Fers Calculator

What are the best fers calculator apps for iPhone?
FERS Calculator tops our fers calculator apps ranking as of August 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 August 2026.
We track 249+ fers calculator apps on the iOS App Store as of August 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.