Comparison

GUTCalc Physics Unit Converter vs Unit Converter for Physics

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

Head to head
About

GUTCalc Physics Unit Converter

This calculator handles complex physics calculations with units. It supports SI, natural, and CGS units, physical constants, and functions. It automatically converts units and flags algebraic errors, with an option to upgrade for advanced organization and syncing features.

Highlights
  • SI, Natural, and CGS unit modes
  • Automatic unit conversion
  • Physical constants and functions
  • Implied multiplication
  • Custom keyboards
  • Unit checking for algebraic errors
  • Share and save results
Read full description

GUTCalc is a calculator that understands units. Enter a free-form expression consisting of arithmetic, SI and non-SI units, physical constants (like Planck's constant h or the speed of light c), and functions (like exp, arctan, and cosh) and GUTCalc will work out the answer including any necessary conversions. Natural units are fully supported, and are great for calculations in particle physics and quantum field theory. SI mode is perfect for quick and easy calculations of everyday quantities. FEATURES: * Choose from SI and three types of Natural unit modes. In Natural unit mode, various physical constants (such as hbar, c, kb, and eps0) are set to 1. GUTCalc automatically inserts factors of these constants to perform conversions and calculations in Natural units. * Gaussian CGS (dynes, ergs, esus, and statvolts) and Planck (quantum gravity) units are also supported. * Multiplication is implied: no need to insert *s everywhere. * Custom-designed keyboards for quick and easy input of common units, constants, and functions---or switch to the built-in keyboard for free-form input. * Calculations can extend over many orders of magnitude without overflow. Need to calculate exp(10000)? No problem. (Available on iOS 11+ and 64-bit devices running iOS 10) * Avoid algebraic errors thanks to GUTCalc's unit checking: inconsistent calculations are flagged in red with an explanatory message. * Share your results via email or save them in a note using the share feature. * Physical constants are updated to the latest values recommended by the Particle Data Group 2020 review, CODATA 2018, and the 2019 redefinition of SI base units. * Suggestions for features and additional constants are welcome. UPGRADE TO PRO FOR EXTRA FEATURES: * Create and manage multiple notebooks to keep your calculations organized * Sync notebooks with iCloud across multiple devices, including the macOS version of GUTCalc * Share notebooks with collaborators * Support the development of more pro features in the future

About

Unit Converter for Physics

Features
Read full description

Unit Converter for Physics: Your Complete Physics Unit Conversion Tool Transform complex physics calculations into simple conversions with Unit Converter for Physics, the ultimate unit conversion application designed specifically for physics students, educators, and professionals. Comprehensive Unit Coverage Unit Converter for Physics offers extensive conversion capabilities across all essential physics quantities: - Length: Convert between meters, kilometers, centimeters, millimeters, micrometers, nanometers, miles, yards, feet, inches, nautical miles - Mass: Easily switch between kilograms, grams, milligrams, metric tons, pounds, ounces, slugs, and specialized maritime units like gross tons. - Time: Convert seconds, minutes, hours, days, weeks, months, years, milliseconds, and microseconds. - Volume: Transform between cubic meters, liters, milliliters, cubic feet, cubic inches, gallons, quarts, pints, fluid ounces, cubic centimeters, and specialized maritime units like gross tonnage. - Area: Convert square meters, square kilometers, hectares, acres, square miles, square feet, square inches, and square yards. - Temperature: Switch between Kelvin, Celsius, and Fahrenheit. - Speed: Convert meters per second, kilometers per hour, miles per hour, feet per second, and nautical units like knots. - Acceleration: Transform between meters per second squared, feet per second squared, standard gravity (g), and Gal units. - Density: Convert kilograms per cubic meter, grams per cubic centimeter, pounds per cubic foot, and more. - Pressure: Switch between pascal, bar, atmosphere, torr, pounds per square inch, and millimeters of mercury. - Force: Convert between newtons, kilonewtons, pound-force, and dyne. - Energy: Transform joules, kilojoules, calories, kilocalories, electron volts, BTUs, foot-pounds, and kilowatt-hours. - Power: Convert watts, kilowatts, megawatts, horsepower, BTU per hour, and foot-pounds per second. - Frequency: Switch between hertz, kilohertz, megahertz, gigahertz, and revolutions per minute. - Angle: Convert degrees, radians, gradians, minutes of arc, and seconds of arc. Educational Features Conversion Factor Display: Understand the mathematical relationship between units with clearly displayed conversion factors, enhancing your learning experience. Complete SI and FPS Systems: Master both International System of Units (SI) and Foot-Pound-Second (FPS) systems with comprehensive conversion options. Maritime Specialized Units: Navigate specialized maritime measurements including nautical miles, knots, and gross tonnage. User-Friendly Design Intuitive interface requiring minimal input to get accurate results Clean, distraction-free layout perfect for academic use convert units anytime, anywhere Unit Converter for Physics is the perfect companion for physics homework, lab reports, research papers, and professional calculations. Download today and transform the way you handle physics unit conversions!

Screenshots

GUTCalc Physics Unit Converter4 screens
Unit Converter for Physics4 screens

Verdict

The call

The clearest difference is update cadence: Unit Converter for Physics at every 10 days against GUTCalc Physics Unit Converter's every 4 months. GUTCalc Physics Unit Converter's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 18.6). On price, ads and in-app purchases 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

Both are free to download. GUTCalc Physics Unit Converter sells 1 one-off in-app purchase and Unit Converter for Physics sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

GUTCalc Physics Unit Converter ships an update every 4 months, Unit Converter for Physics every 10 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
GUTCalc Physics Unit Converter versus Unit Converter for Physics: the parameters behind the verdict, then further details
ParameterGUTCalc Physics Unit ConverterUnit Converter for Physics
PriceFreeFree
Rating5.0 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 4 monthsEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS13.0 — better18.6
Further details — not scored
Size3 MB2 MB
Age rating4+4+
DeveloperTimothy WiserJatuphol Jaturapat

In-app purchases

1 purchases

GUTCalc Physics Unit Converter

One-time1
  • GUTCalc Pro$2.99
1 purchases

Unit Converter for Physics

One-time1
  • Unlock Solution$0.99

Questions

Is GUTCalc Physics Unit Converter free?
GUTCalc Physics Unit Converter is free to download, with in-app purchases available.
Is Unit Converter for Physics free?
Unit Converter for Physics is free to download, with in-app purchases available.
Do GUTCalc Physics Unit Converter or Unit Converter for Physics have ads?
Neither GUTCalc Physics Unit Converter nor Unit Converter for Physics shows ads.
Which is updated more often, GUTCalc Physics Unit Converter or Unit Converter for Physics?
GUTCalc Physics Unit Converter ships an update every 4 months, and Unit Converter for Physics every 10 days. Most recently, GUTCalc Physics Unit Converter was updated on November 3, 2026 and Unit Converter for Physics on October 30, 2026.

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