Comparison

Ultra Measure Master vs CNVRT

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

Head to head
About

Ultra Measure Master

This professional conversion calculator offers over 400 standard and metric unit conversions for linear, area, and volume measurements. It's ideal for professionals needing quick and accurate calculations in various dimensional formats, including feet-inch-fractions and decimal units.

Highlights
  • Over 400 conversion combinations
  • 60+ standard and metric units
  • Converts between feet-inch-fractions, decimal feet/inches, and metric
  • Calculates linear, area, and volume
  • Includes weight, velocity, flow rate, pressure, and temperature conversions
  • Built-in User's Guide with key-specific help
Features
Currently charting
Read full description

Professional Grade U.S. Standard to Metric Conversion Calculator by Calculated Industries The Ultra Measure Master® app from Calculated Industries gives you the power to solve metric and standard unit conversions on your iPhone and iPad. And while perhaps obvious, if you change from an iOS device to a non-iOS device, you WILL need to buy a new license as they are incompatible. Forget complex scientific calculators, memorizing conversion formulas or using tables — instantly calculate with more than 400 conversion combinations using 60 built-in standard and metric units. The Ultra Measure Master is especially helpful for those working in federal DOT environments where frequent metric to foot-inch conversions and “dual unit” reporting is required -- and includes a full User’s Guide built in as well as the ability to press and hold a key for specific help! Ideal for Engineers, Architects, Designers, Contractors/Builders, Draftspersons, Excavation/Highway Contractors, Scientists, Pharmaceutical Lab Techs, Purchasing, Importers/Exporters, Students (or anyone who needs fast, easy, professional unit conversions). • Work in and convert between all building dimensional formats: feet-inch-fractions, inch fraction, yards, decimal feet (10ths, 100ths), decimal inches and metric (m, cm, mm) • Easily calculate linear, area and volume measurements • Find dry and liquid weight per volume • Solve for velocity, flow rate, pressure, temperatures Created by Calculated Industries, the originator of the award-winning Construction Master® calculators. FEATURES: Dimensional Math and Conversions • More than 60 Standard and Metric (SI) units built-in • Over 400 conversion combinations • Works in and converts between • Feet-Inch-Fraction • Inch Fraction • Yards • Decimal Feet (10ths, 100ths), Decimal Inches • Full Metric (m, cm, mm) Dedicated Functions Help You Measure and Calculate: • Linear • Feet-Inch-Fractions • Yards, Miles • Decimal Feet/Inch • Millimeters, Centimeters, Meters and Kilometers • Area • Feet, Inch, Yards, Acres, Miles • Millimeters, Centimeters, Meters, Hectares and Kilometers • Volume • Feet, Inch, Yards, Miles • Millimeters, Centimeters, Meters, Kilometers • Gallons, Liters, Fluid Ounces • Acre-Feet and Board Feet • Weight • Pounds, Dry Ounces, Tons • Metric Tons, Grams and Kilograms • Weight per Volume • Tons per Cubic Yard • Pounds per Cubic Yard • Kilograms per Cubic Meter • Linear Velocity • Inches per Second • Feet per Second • Feet per Minute • Miles per Hour • Millimeters per Second/Minute • Meters per Second/Minute • Kilometers per Hour • Flow Rate • Ounces per Second • Gallons per Minute • Milliliters per Second • Liters per Second • Pressure • Pounds per Square Inch (PSI) • Pounds per Square Foot (PSF) • Kilopascal, Megapascal and Bars • Bending Moment • Inch-Pounds, Foot-Pounds and Newton-Meters • Temperature • Fahrenheit (°F) and Celsius (°C) Special Functions • Entry Editing Backspace Key – with a swipe of a finger • Cost per Unit: Solve unit cost and pricing • Paperless Tape • Board Feet • Memory function •User-Definable Preferences — set custom options: Fractions, Area, Volume. TRADEMARKS: Ultra Measure Master® and Construction Master® are registered trademarks of Calculated Industries, Inc.

About

CNVRT

Instantly convert over 200 units across 20 measurement categories, from weight and length to temperature and data storage. This tool simplifies metric and Imperial conversions for STEM professionals and everyday users alike.

Highlights
  • Over 200 units supported
  • 20 measurement categories
  • Instant conversions
  • Metric and Imperial units
  • Optimized for Apple devices
  • STEM and everyday use
Features
Read full description

CNVRT allows you to convert any unit of measurement easily and instantly so you never have to do it yourself or struggle with metric and Imperial units. CNVRT supports over 200 different units and 20 different measurements, each with its own unique color. These measurements include: • Weight or Mass • Length or Distance • Temperature • Speed • Area • Time or Duration • Data Storage • Angle • … and many more! CNVRT is optimized for iPhone, iPad and macOS. Whether you are in STEM or just for everyday use, CNVRT will simplify your life.

Screenshots

Ultra Measure Master4 screens
CNVRT4 screens

Verdict

The call

The clearest difference is price: CNVRT at $4.99 against Ultra Measure Master's $29.99. CNVRT also leads on update cadence (every 2 weeks vs every 11 months). Ultra Measure Master's advantage is review sentiment (88% vs 50%) and rating (5.0 vs 4.5). On ratings volume, 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

Ultra Measure Master costs $29.99 and CNVRT $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Ultra Measure Master holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 8 and 19 respectively. Written reviews point the same way: 88% of Ultra Measure Master's written reviews are positive against 50% of CNVRT's.

UpkeepUpdate frequency

Ultra Measure Master ships an update every 11 months, CNVRT every 2 weeks. The most recent releases landed on September 14, 2026 and September 28, 2026 respectively.

Scorecard5 real differences · 6 level
Ultra Measure Master versus CNVRT: the parameters behind the verdict, then further details
ParameterUltra Measure MasterCNVRT
Price$29.99$4.99 — better
Rating5.0 (8 ratings) — better4.5 (19 ratings)
Positive reviews87.5% of reviews — better50.0% of reviews
Number of ratings819 — better
Update frequencyEvery 11 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#181 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.015.0
Further details — not scored
Size61 MB1 MB
Age rating12+4+
DeveloperCalculated IndustriesPascal Andraos

Customer experience

Ultra Measure Master

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

CNVRT

All ratings19 ratings
Positive94.7%
Neutral0.0%
Negative5.3%
Written reviews6 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Ultra Measure Master

No in-app purchases

None

CNVRT

No in-app purchases

Questions

Is Ultra Measure Master free?
Ultra Measure Master costs $29.99, with no in-app purchases.
Is CNVRT free?
CNVRT costs $4.99, with no in-app purchases.
Which has better reviews, Ultra Measure Master or CNVRT?
Ultra Measure Master is rated higher. Ultra Measure Master averages 5.0 out of 5 from 8 ratings, while CNVRT averages 4.5 from 19 ratings.
Do Ultra Measure Master or CNVRT have ads?
Neither Ultra Measure Master nor CNVRT shows ads.
Which is updated more often, Ultra Measure Master or CNVRT?
Ultra Measure Master ships an update every 11 months, and CNVRT every 2 weeks. Most recently, Ultra Measure Master was updated on September 14, 2026 and CNVRT on September 28, 2026.

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