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.



249+ iOS apps curated and reviewed
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.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 3.7★ (3) | No | No | May 2026 | |
| 2 | Free | 4.0★ (6) | No | Yes | Aug 2026 | |
| 3 | Free | — | No | No | May 2026 | |
| 4 | $9.99 | 4.7★ (1.4K) | No | Yes | Aug 2026 | |
| 5 | Free | 2.6★ (45) | Yes | No | May 2026 | |
| 6 | $4.99 | 4.0★ (1) | No | No | Aug 2026 | |
| 7 | $5.99 | 4.7★ (6.3K) | No | Yes | Aug 2026 | |
| 8 | Free | — | Yes | Yes | Jul 2026 |



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.






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.








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.


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.


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.


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.




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.


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.


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.










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.








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.