Comparison

Unit Converter & Calculators vs UnitDeck

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

Head to head
About

Unit Converter & Calculators

Features
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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: β—Ύ Length and distance: meters, feet, inches, miles, and kilometers β—Ύ Weight and mass: kilograms, pounds, ounces, and tons β—Ύ Temperature: Celsius, Fahrenheit, and Kelvin β—Ύ Area and volume: square meters, square feet, liters, milliliters, gallons, and cubic units β—Ύ Cooking volume conversions and ingredient reference information β—Ύ 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 β—Ύ See results update in real time as you type β—Ύ View multiple equivalent units from one value β—Ύ Copy conversion results quickly β—Ύ Save favorite converters and arrange shortcuts on the in-app home screen β—Ύ 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. β—Ύ Feet-inch fraction calculator for mixed-measurement arithmetic β—Ύ Roof pitch and rafter calculators for rise, run, slope, angle, and length β—Ύ Stair calculator for step height, tread depth, total run, and stringer layout β—Ύ Baluster spacing and stud calculators for layout work β—Ύ Board foot and lumber calculators for quantity, volume, and cost β—Ύ Miter calculator for flat miters and crown-molding saw settings β—Ύ 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

UnitDeck

Features
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UnitDeck is a fast unit converter and practical calculation toolbox built for real work. Choose your industry and UnitDeck places the conversions you use most on your Home screen. Convert common and specialist units, search by name or symbol, save favorites, keep conversion records, and add simple work notes without digging through long menus. BUILT AROUND YOUR WORK β€’ Industry profiles for trade, logistics, construction, textiles, manufacturing, furniture, electrical work, HVAC, agriculture, energy, marine work, automotive work, and more β€’ 121 conversion categories covering everyday and professional measurements β€’ 25 practical trade calculators for common field and desk workflows β€’ Search by unit name, symbol, or abbreviation β€’ Favorites, recents, saved conversions, notes, configurable precision, and inch fractions FAST AND PRIVATE β€’ Conversion inputs, saved records, and notes stay on your device β€’ No account required β€’ No advertising or cross-app tracking β€’ Core conversion tools work offline UNITDECK PRO The free version includes a useful set of common conversions, tools recommended for your first industry, and limited previews of professional categories. UnitDeck Pro unlocks the complete professional toolbox with one lifetime purchase. It is not a subscription and does not auto-renew. Conversion results are provided for general information, estimation, and workflow assistance. Verify safety-critical, contractual, engineering, medical, financial, or regulated work against applicable standards and qualified professional guidance.

Screenshots

Unit Converter & Calculators4 screens
UnitDeck4 screens

Verdict

The call

The clearest difference is ads: UnitDeck at none against Unit Converter & Calculators's shown. Unit Converter & Calculators's advantage is update cadence (every 5 days vs every 2 weeks) and iOS requirement (15.6 vs 17.0). On price, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Unit Converter & Calculators sells 1 one-off in-app purchase and UnitDeck 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, UnitDeck every 2 weeks. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

Scorecard3 real differences Β· 3 level
Unit Converter & Calculators versus UnitDeck: the parameters behind the verdict, then further details
ParameterUnit Converter & CalculatorsUnitDeck
PriceFreeFree
Update frequencyEvery 5 days β€” betterEvery 2 weeks
AdsYesNo β€” better
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.6 β€” better17.0
Further details β€” not scored
Size34 MB3 MB
Age rating4+4+
DeveloperUmit YILMAZε»ΊθΎ‰ 刘

In-app purchases

1 purchases

Unit Converter & Calculators

One-time1
  • Remove Ads$4.99
1 purchases

UnitDeck

One-time1
  • UnitDeck Pro – Lifetime$3.99

Questions

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

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