Comparison

UNITS MASTER vs Block Calculators

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

Head to head
About

UNITS MASTER

This app is a comprehensive unit conversion calculator for length, distance, and area. It supports a vast array of US and metric units, offering both fractional and decimal calculations with customizable rounding. Users can also perform complex mathematical operations and access a calculation history.

Highlights
  • Extensive US and metric unit support
  • Fractional and decimal calculations
  • Customizable rounding precision
  • Complex calculation capabilities
  • Calculation history and sharing
  • Multiple output formats
Features
Read full description

Innovative unit conversion calculator. Get instant help with unit calculation and conversion! UNITS MASTER is a universal unit conversion calculator that allows you to instantly calculate and convert US and metric units of length, distance and area. SUPPORTED DISTANCE AND LENGTH UNITS: US/imperial units: mils, points, picas, inches, links, feet, yards, rods, chains, furlongs, miles, fathoms, nautical miles. Metric units: millimeters, centimeters, decimeters, meters, kilometers. SUPPORTED AREA UNITS: US/imperial units: square mils, square inches, square links, square feet, square yards, squares, square rods, square chains, acres, square miles, townships. Metric units: square millimeters(mm²), square centimeters(cm²), square decimeters(dm²), square meters(m²), ares, hectares, square kilometers(km²). LENGTH AND AREA UNIT CALCULATOR: - Calculates any combination of supported US and metric length and area units. - Performs calculation in fractions and decimals. - Complex calculations. - Easy fraction input. - Instantly converts results between different units. - Displays results in fractional and decimal forms. - Shows answer in any supported unit(s). LENGTH AND AREA UNIT CONVERTER: - 1000+ conversion combinations. - Converts units between US and metric systems. - Converts between units within the same system. - Converts between fractions and decimals. ROUND RESULTS TO SPECIFIED PRECISION: • Decimal results can be rounded to 0-9 decimal places. E.g. you may round results to the nearest 10ths, 100ths, etc. By default, the app is set up to round to 2 decimal places. If you need to round results to the nearest whole number, select 0 decimal places. • Rounding fractions to the nearest 1/2, 1/4, 1/8, 1/12, 1/16, 1/32, 1/64, 1/128, 1/256. If you do not need to round fractions, just select "-". It addition to extensive unit conversion and calculation options, UNITS MASTER offers standard features such as basic operations, calculation with parentheses, calculations with fractions and decimals, exponents, square root, trigonometric functions, etc. Other features: • Three virtual keyboards. • 'Default Output Unit' option - select default output unit or use smart Auto option • 'Output format' option: Fractions + Decimals, Auto, Fractions, Decimals. • Choose the way the app shows foot and inch symbols - you may use abbreviations ft and in or ′ for foot and ″ for inch. • Calculation history to view, recall, edit and share calculations. • Share calculation results by email. • 'Undo' for the Clear command. • Portrait and landscape mode. • Multiple themes to choose from. Learn more about UNITS MASTER at https://unitsmaster.com If you have any questions or need help with UNITS MASTER, please visit the online help and FAQ pages: https://unitsmaster.com/en/help/ https://unitsmaster.com/en/faq.html

About

Block Calculators

Features
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Introducing Block Calculator, the must-have app for construction professionals, DIY enthusiasts, and anyone involved in building projects. Whether you're planning a new construction, renovating your home, or just curious about materials needed for a project, Block Calculator is here to simplify your workload and streamline the planning process. Key Features: Effortless Block Quantity Estimation: Easily calculate the number of concrete blocks needed for your project based on dimensions, including length, width, and height. Customizable Block Types: Choose from a variety of block types, such as standard concrete blocks, cinder blocks, or specialty blocks. The app adapts calculations accordingly. Precision Measurements: Input measurements in various units, including feet, meters, inches, or centimeters, ensuring flexibility and accuracy in your calculations. Area and Volume Calculations: Calculate the total surface area and volume of your construction project, providing a comprehensive overview of your material requirements. Seamless Project Planning: Plan your project efficiently by estimating the number of blocks needed for walls, foundations, or any other structural element. Cost Estimation: Get an instant estimate of the cost of materials based on current market prices. Save time and budget more effectively. We are committed to providing the best user experience. Expect regular updates with new features, block types, and improvements. Say goodbye to manual calculations and hello to efficiency with Block Calculator. Download the app now and embark on your construction projects with confidence and precision. Build smarter, build better!

Screenshots

UNITS MASTER4 screens
Block Calculators4 screens

Verdict

The call

The clearest difference is price: Block Calculators at $2.99 against UNITS MASTER's $6.99. On update cadence, ads, 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

UNITS MASTER costs $6.99 and Block Calculators $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

UNITS MASTER ships an update every 4 months, Block Calculators every 2 months. The most recent releases landed on September 10, 2026 and September 26, 2026 respectively.

Scorecard1 real difference · 9 level
UNITS MASTER versus Block Calculators: the parameters behind the verdict, then further details
ParameterUNITS MASTERBlock Calculators
Price$6.99$2.99 — better
Rating4.3 (6 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size13 MB28 MB
Age rating4+4+
DeveloperIntemodino Group s.r.o.Kantaben Gorasiya

In-app purchases

None

UNITS MASTER

No in-app purchases

None

Block Calculators

No in-app purchases

Questions

Is UNITS MASTER free?
UNITS MASTER costs $6.99, with no in-app purchases.
Is Block Calculators free?
Block Calculators costs $2.99, with no in-app purchases.
Do UNITS MASTER or Block Calculators have ads?
Neither UNITS MASTER nor Block Calculators shows ads.
Which is updated more often, UNITS MASTER or Block Calculators?
UNITS MASTER ships an update every 4 months, and Block Calculators every 2 months. Most recently, UNITS MASTER was updated on September 10, 2026 and Block Calculators on September 26, 2026.

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