Comparison

Unit Converter & Calculators vs Unit Converter

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

Head to head
About

Unit Converter & Calculators

Features
Read full description

Unit Converter is a practical measurement converter for everyday metric and imperial unit conversion. Convert 1,000+ units across 80+ categories, from length, weight, temperature, area, and volume to engineering, scientific, and technical measurements. Built-in calculators and reference tools support related math, including a construction calculator for roof, stair, rafter, lumber, layout, and estimating work. Enter a value to see multiple conversion results update instantly. Copy the result you need, save favorite converters, and organize shortcuts on the in-app home screen for faster access to the measurements you use most. Everyday Metric & Imperial Conversions Handle common conversions at home, at work, or while studying: ◾ Length and distance: meters, feet, inches, miles, and kilometers ◾ Weight and mass: kilograms, pounds, ounces, and tons ◾ Temperature: Celsius, Fahrenheit, and Kelvin ◾ Area and volume: square meters, square feet, liters, milliliters, gallons, and cubic units ◾ Cooking volume conversions and ingredient reference information ◾ Time, speed, angle, frequency, pressure, force, energy, power, density, and more Convert cm to inches, meters to feet, kg to pounds, Celsius to Fahrenheit, liters to gallons, and many other measurements in seconds. Fast, Focused Conversion ◾ See results update in real time as you type ◾ View multiple equivalent units from one value ◾ Copy conversion results quickly ◾ Save favorite converters and arrange shortcuts on the in-app home screen ◾ Choose color themes and customize the interface Engineering & Scientific Units Work with technical measurements for mechanics, heat, fluids, electricity, magnetism, radiation, lighting, and digital data. Convert pressure, torque, acceleration, viscosity, flow, thermal conductivity, electrical resistance, capacitance, magnetic flux, data storage, and more. Calculators & Reference Tools Use the built-in calculator for everyday and technical math. Explore helpful tools for percentages, geometry, trigonometry, electronics, binary numbers, resistor values, and volume, plus scientific constants and reference tables. Construction Calculator Work directly with metric, imperial, and fractional measurements for construction, carpentry, woodworking, layout, estimating, and DIY projects. ◾ Feet-inch fraction calculator for mixed-measurement arithmetic ◾ Roof pitch and rafter calculators for rise, run, slope, angle, and length ◾ Stair calculator for step height, tread depth, total run, and stringer layout ◾ Baluster spacing and stud calculators for layout work ◾ Board foot and lumber calculators for quantity, volume, and cost ◾ Miter calculator for flat miters and crown-molding saw settings ◾ Arc, circle, column, cone, and right-triangle calculations Whether you are converting everyday measurements, checking scientific or engineering units, or solving construction math, Unit Converter keeps essential conversion and calculator tools together in one customizable app.

About

Unit Converter

Read full description

This is an efficient tool app that integrates a professional calculator with multi-unit conversion functionality. Supports complex expression calculations and multiple categories of physical unit conversions, meeting various calculation needs in study, work, and daily life. 【Core Feature Highlights】 Powerful Expression Calculation Engine ■ Supports complex mathematical operations (e.g., 2.5 × 3.8 + 1.2 ÷ 0.4) ■ Scientific notation display ■ Real-time calculation result preview ■ Customizable decimal precision Comprehensive Unit Conversion Support ■ Length, Mass, Time, Current, Temperature, Acceleration, Area, Charge, Force, Frequency, Plane Angle, Solid Angle, Speed, Volume User-Friendly Experience ■ Save frequently used unit pairs for quick access ■ Switch freely between dark and light themes ■ Simple and intuitive interface Smart Conversion Experience ■ One-tap unit swap function ■ Copy calculation results and full formulas

Screenshots

Unit Converter & Calculators4 screens
Unit Converter4 screens

Verdict

The call

The clearest difference is ads: Unit Converter at none against Unit Converter & Calculators's shown. Unit Converter also leads on iOS requirement (12.0 vs 15.6). Unit Converter & Calculators's advantage is update cadence (every 5 days vs every 2 weeks). On price, in-app purchases and device support 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. Unit Converter & Calculators sells 1 one-off in-app purchase and Unit Converter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Unit Converter & Calculators ships an update every 5 days, Unit Converter every 2 weeks. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 3 level
Unit Converter & Calculators versus Unit Converter: the parameters behind the verdict, then further details
ParameterUnit Converter & CalculatorsUnit Converter
PriceFreeFree
Update frequencyEvery 5 days — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size34 MB29 MB
Age rating4+4+
DeveloperUmit YILMAZ伟鹏 李

In-app purchases

1 purchases

Unit Converter & Calculators

One-time1
  • Remove Ads$4.99
1 purchases

Unit Converter

One-time1
  • Unlock Premium Membership$0.99

Questions

Is Unit Converter & Calculators free?
Unit Converter & Calculators is free to download, with in-app purchases available.
Is Unit Converter free?
Unit Converter is free to download, with in-app purchases available.
Do Unit Converter & Calculators or Unit Converter have ads?
Unit Converter & Calculators shows ads; Unit Converter does not.
Which is updated more often, Unit Converter & Calculators or Unit Converter?
Unit Converter & Calculators ships an update every 5 days, and Unit Converter every 2 weeks. Most recently, Unit Converter & Calculators was updated on October 8, 2026 and Unit Converter on October 11, 2026.

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