Comparison

My Physics Calculator vs K

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

My Physics Calculator

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.

Highlights
  • 130+ physics and engineering calculators
  • Includes formulas and definitions
  • Simple user interface
  • Mechanics & Motion calculations
  • Fluids & Thermodynamics calculations
  • Electrical & Circuit calculations
  • Projectile Motion calculations
Features
Read full description

My Physics Calculator features 134 calculators for various physics and engineering parameters. With a simple user interface, it provides formulas and definitions for each calculation. List of 134 Calculators: Mechanics & Motion: • Force • Kinetic Friction • Static Friction • Centripetal Force • Centripetal Acceleration • Gravitational Acceleration • Angular Acceleration • Work • Total Work • Power (Work-Based) • Power (Displacement-Based) • Power (Velocity-Based) • Displacement / Distance • Differential Pressure Fluids & Thermodynamics: • Density • Water Density • Kinematic Viscosity • Mass Flow Rate • Temperature • Thermal Conductivity • Thermal Diffusivity • Thermal Linear Expansion • Thermal Volumetric Expansion • Heat Flow • Heat Transfer Rate • Specific Heat Capacity Energy & Motion: • Kinetic Energy • Potential Energy • Elastic Potential Energy • Einstein’s Mass-Energy Equation • Gravitational Potential Velocity & Motion Laws: • Velocity • Circular Velocity • Average Velocity • Escape Velocity • Drift Velocity • Newton’s Law of Gravity • Newton’s Second Law of Motion • Archimedes’ Principle • Kepler’s Third Law • Hooke’s Law • Pascal’s Law • Poiseuille’s Law • Darcy’s Law • Stokes’ Law Engineering Numbers & Factors: • Souders-Brown Equation • Podmore Factor • Cavitation Number • Euler Number • Fourier Number • Knudsen Number • Mach Number • Nusselt Number • Reynolds Number • Weber Number • Froude Number • Prandtl Number • Schmidt Number • Brinell Hardness Number Doppler Effect Calculations: • Wavelength (Front & Behind) • Approaching Source • Receding Source • Approaching Receiver • Receding Receiver Projectile Motion: • Vertical Velocity • Vertical Displacement • Horizontal Displacement • Range Impulse, Momentum & Torque: • Impulse (Velocity-Based) • Impulse (Time-Based) • Momentum (Velocity-Based) • Momentum (Time-Based) • Moment • Torque • Moment of Inertia Engineering & Structural Calculations: • Transverse Strength • Standard Surface Factor • Rectangular Tank Capacity • Cylindrical Tank Capacity • Apparent Porosity • True Porosity Planetary & Seismic Calculations: • Seismic Geophone • Weight on Different Planets • Wenner Spacing (Soil Resistivity) • Luminosity of Stars Sound & Waves: • Sound Pressure Level • Sound Intensity Level • Sound Power Emitted • Sound Wavelength • Sound Speed • RMS Noise • Noise Pollution Level Oscillations & Springs: • Simple Pendulum • Physical Pendulum • Leaf Springs • Helical Spring Rate • Helical Spring Axial Deflection • Helical Spring Index Electrical & Circuit Calculations: • Inductive Reactance • Capacitive Reactance • Resonant Frequency • Inductor Sizing Equation • Capacitor Sizing Equation • Resistance • Battery Life • Battery Charge Time • kVA Calculation • Potentiometer • Voltage Divider • Electrodialysis • Electrical Harmonics • Horsepower • Ohm’s Law (Voltage, Power, Resistance, Current) Material Properties: • Shear Modulus • Bulk Modulus • Young’s Modulus • Stress • Strain

About

K

This utility app calculates bend allowances and deductions for sheet metal fabrication. It helps engineers and fabricators determine precise K-Factor values, improving accuracy and reducing material waste in bending processes.

Highlights
  • K-Factor calculation
  • Bend allowance and deduction
  • Material and thickness support
  • Instant results
  • User-friendly interface
Features
Read full description

K-Factor Bend Allowance Calculator is a powerful and easy-to-use tool designed for engineers, fabricators, sheet metal workers, and designers to quickly calculate accurate bend allowances and bend deductions. Whether you are working with sheet metal, steel, or other materials, this app helps you determine the correct K-Factor for precise bending results, reducing errors and saving time in production. Key Features: =========== • K-Factor Calculator – Easily calculate K-Factor values for accurate bend allowance. • Bend Allowance & Deduction – Get precise values for sheet metal bending. • Material & Thickness Support – Works with different sheet thicknesses and bend radii. • Instant Results – Enter your parameters and get accurate results instantly. • Essential for Fabricators – Ideal for CNC programmers, mechanical engineers, and manufacturing professionals. • User-Friendly Design – Simple, clean, and fast interface for quick calculations. Why Use This App? ============== Accurate K-Factor calculation is essential for ensuring correct flat patterns and minimizing material wastage. With this app, you can improve your sheet metal bending accuracy, optimize design, and save valuable time on the shop floor.

Screenshots

My Physics Calculator4 screens
K3 screens

Verdict

The call

The clearest difference is review sentiment: My Physics Calculator at 50% against K's 0%. My Physics Calculator also leads on update cadence (every 12 months vs every 43 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

My Physics Calculator costs $2.99 and K $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

My Physics Calculator ships an update every 12 months, K every 43 months. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
My Physics Calculator versus K: the parameters behind the verdict, then further details
ParameterMy Physics CalculatorK
Price$2.99$2.99
Rating4.3 (44 ratings) — better—
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings44 — better—
Update frequencyEvery 12 months — betterEvery 43 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.615.0 — better
Further details — not scored
Size7 MB2 MB
Age rating4+4+
DeveloperV PUGAZHENTHIBhavinkumar Satashiya

Customer experience

My Physics Calculator

All ratings44 ratings
Positive81.8%
Neutral2.3%
Negative15.9%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

K

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

My Physics Calculator

No in-app purchases

None

K

No in-app purchases

Questions

Is My Physics Calculator free?
My Physics Calculator costs $2.99, with no in-app purchases.
Is K free?
K costs $2.99, with no in-app purchases.
Do My Physics Calculator or K have ads?
Neither My Physics Calculator nor K shows ads.
Which is updated more often, My Physics Calculator or K?
My Physics Calculator ships an update every 12 months, and K every 43 months. Most recently, My Physics Calculator was updated on October 28, 2026 and K on October 30, 2026.

Other comparisons