Calculate the kinetic energy of an object using its mass and velocity. A pro version offers additional calculations for mass and velocity based on kinetic energy.






249+ iOS apps curated and reviewed
Looking for free flywheel energy calculator apps? 18 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | $2.99 | — | No | No | Jun 2026 | |
| 2 | Free | 4.9★ (7) | No | Yes | May 2026 | |
| 3 | Free | — | No | No | May 2026 | |
| 4 | Free | 3.4★ (37) | Yes | No | Aug 2026 | |
| 5 | Free | 4.4★ (18) | Yes | Yes | Jul 2026 | |
| 6 | Free | 3.7★ (3) | No | No | May 2026 | |
| 7 | Free | 5.0★ (2) | No | No | May 2026 | |
| 8 | Free | 5.0★ (3) | No | No | May 2026 |











Calculate the kinetic energy of an object using its mass and velocity. A pro version offers additional calculations for mass and velocity based on kinetic energy.








Calculate precise amounts of concrete, aggregate, and masonry materials needed for various construction projects. Accounts for potential waste and overages to ensure you order the right quantity.


This app offers a comprehensive suite of 15 calculators for everyday and scientific needs. Easily perform basic arithmetic, complex scientific functions, and specialized calculations like sales tax, age, and loan payments. It also includes a robust unit converter for various measurements.


This app provides a comprehensive collection of ~250 formulas across 16 categories for mechanical engineering, physics, and mathematics. Users can easily perform calculations by selecting a formula and inputting variables.


Calculate essential slurry and pump parameters for the sand and aggregate industries. This tool offers dynamic head, horsepower, mass balance, and flow calculations, along with unit conversions.


Calculate your speed in mph and compare it to elite athletes. This tool is designed for sports performance analysis, helping you understand your athletic capabilities.


This app provides quick solutions for everyday rigging calculations, assisting engineers and safety personnel in site surveys and rigging plan designs. It helps verify calculations, determine clearances, and analyze load distribution for safe lifting operations. Results can be exported to PDF for easy sharing.


This app provides offline calculations for milling and turning operations. It helps users determine parameters like cutting speed, spindle speed, and metal removal rate. All calculations are saved for easy access in the history tab.


This app simplifies complex calculations for ultrafast and nonlinear laser optics. It handles frequency generation, optical parametric processes, and spectroscopic conversions. It also calculates pulse characteristics and power conversions for laser systems.


Perform essential hydraulic calculations for cylinders, pumps, and fluid lines. Solve for forces, speeds, torque, power, and pressure drop. Supports metric and imperial units, with advanced features unlocked via in-app purchase.


Calculate key parameters for hydraulic cylinders, pumps, motors, and pipes. Design individual components, view formulas, and switch between metric and imperial units for precise engineering.


This app offers a comprehensive suite of over 130 calculators for physics and engineering calculations. It provides clear formulas and definitions for each parameter, making complex calculations accessible with a simple interface.


This app provides a comprehensive suite of calculators for concrete and civil engineering parameters. It features smart auto-fill options, a detailed calculation history with PDF export, and direct references to ACI codes. Unlock all 56 calculators with a one-time purchase.




This app provides 34 civil engineering calculators for beam analysis and conversion, referencing industry codes. It offers auto-fill options for material and section pickers and supports dual units. A pro version unlocks unlimited calculations, history, and PDF exports.


This utility app provides a comprehensive collection of engineering equations and formulas for students and professionals. Easily perform calculations by selecting a formula and inputting variables, with detailed instructions and reference material included.



