UNITS MASTER vs SITECH
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Extensive US and metric unit support
- Fractional and decimal calculations
- Customizable rounding precision
- Complex calculation capabilities
- Calculation history and sharing
- Multiple output formats
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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
SITECH
Access comprehensive support for your needs. Find answers through FAQs, chat with experts, or request a callback. Stay updated with the latest news and announcements.
- FAQ knowledge base
- Live chat support
- Callback requests
- Latest news updates
- Personalized guidance
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Need any help? The SITECH Support App is your personal guideline to help you find your question or problem. Find answers easily with the FAQ three or start a chat with our Support experts. It is also possible to make a call back request and you will be called back when it suits you. With this app you also stay informed of the latest news. The SITECH Support App is there to help you!
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Verdict
The clearest difference is price: SITECH at Free against UNITS MASTER's $6.99. SITECH also leads on update cadence (every 5 weeks vs every 4 months). UNITS MASTER's advantage is review sentiment (75% vs 67%) and iOS requirement (12.0 vs 15.0). On 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
SITECH is free to download; UNITS MASTER costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.
UNITS MASTER ships an update every 4 months, SITECH every 5 weeks. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.
| Parameter | UNITS MASTER | SITECH |
|---|---|---|
| Price | $6.99 | Free — better |
| Rating | 4.3 (6 ratings) — better | — |
| Positive reviews | 75.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 6 — better | — |
| Update frequency | Every 4 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 13 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Intemodino Group s.r.o. | SITECH Nederland B.V. |
Customer experience
UNITS MASTER
SITECH
In-app purchases
UNITS MASTER
No in-app purchases
SITECH
No in-app purchases









