Comparison

Pipe Tools vs UNITS MASTER

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

Head to head
About

Pipe Tools

This app provides a comprehensive steel pipe handbook with charts for wall thickness, mass, and pressure calculations. It facilitates quick conversions and cost comparisons, allowing users to prepare and send customized PDF quotes for pipe sales.

Highlights
  • Steel pipe charts (wall thickness, mass)
  • Unit conversions (feet, meters, pounds, kg)
  • Pipe cost comparison
  • Customizable PDF quote generation
  • Mechanical and hardness conversions
  • Pressure and wall thickness calculations
Features
Read full description

Steel Pipe Handbook that fits in your pocket! Great tool for pipe purchasers & sales, pipe manufacturers, pipe yard inspectors, fabricators, oilfield workers, NDE techs, truck operators, designers, heat treaters, and engineers. Steel pipe charts for wall thickness (inch & mm) and pipe mass (lb/ft and kg/m) from ASME B36.10M, and casing and tubing charts from API 5CT. Quick conversion between feet, metres, pounds, kilograms, CWT, net tons, metric tonnes for any pipe size. Compare pipe costs $/ft, $/m, $/lb, $/kg, $/CWT, $/net ton, $/metric tonne for your pipe size. Prepare quotes for pipe sales and send customized pdf to your customers - all from within the app! Info from various pipe specs (ASTM, CSA, API, NACE) Mechanical conversions (for strength & toughness). Calculator for Carbon Equivalents. Hardness conversions (scales include HRBW, HRC, HV, HBW, UTS) Calculate the weight of a truckload of steel pipe. Check typical AISI alloy content. Calculate the weight & buoyancy of pipe including its coatings and contents. Calculate ASME B31.3 maximum pressures and minimum wall thicknesses. www.bri-steel.com sales@bri-steel.com 2020 Bri-Steel Manufacturing, All Rights Reserved

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

Screenshots

Pipe Tools4 screens
UNITS MASTER4 screens

Verdict

The call

The clearest difference is price: Pipe Tools at Free against UNITS MASTER's $6.99. Pipe Tools also leads on ratings volume (20 vs 6). UNITS MASTER's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 36 months). On rating, review sentiment, ads 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

Pipe Tools is free to download; UNITS MASTER costs $6.99 up front. Pipe Tools sells 1 one-off in-app purchase. UNITS MASTER asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.2 for Pipe Tools against 4.3 for UNITS MASTER. Both are backed by a comparable volume of ratings — 20 and 6 respectively. Written reviews are what separate them: 79% of Pipe Tools's written reviews are positive against 75% of UNITS MASTER's.

UpkeepUpdate frequency

Pipe Tools ships an update every 36 months, UNITS MASTER every 4 months. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

Scorecard6 real differences · 4 level
Pipe Tools versus UNITS MASTER: the parameters behind the verdict, then further details
ParameterPipe ToolsUNITS MASTER
PriceFree — better$6.99
Rating4.2 (20 ratings)4.3 (6 ratings) — better
Positive reviews78.6% of reviews — better75.0% of reviews
Number of ratings20 — better6
Update frequencyEvery 36 monthsEvery 4 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.112.0 — better
Further details — not scored
Size43 MB13 MB
Age rating17+4+
DeveloperBri-Steel ManufacturingIntemodino Group s.r.o.

Customer experience

Pipe Tools

All ratings20 ratings
Positive85.0%
Neutral5.0%
Negative10.0%
Written reviews14 reviews
Positive78.6%
Neutral7.1%
Negative14.3%

UNITS MASTER

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

1 purchases

Pipe Tools

One-time1
  • Unlock Pro Tools$0.99
None

UNITS MASTER

No in-app purchases

Questions

Is Pipe Tools free?
Pipe Tools is free to download, with in-app purchases available.
Is UNITS MASTER free?
UNITS MASTER costs $6.99, with no in-app purchases.
Which has better reviews, Pipe Tools or UNITS MASTER?
UNITS MASTER is rated higher. Pipe Tools averages 4.2 out of 5 from 20 ratings, while UNITS MASTER averages 4.3 from 6 ratings.
Do Pipe Tools or UNITS MASTER have ads?
Neither Pipe Tools nor UNITS MASTER shows ads.
Which is updated more often, Pipe Tools or UNITS MASTER?
Pipe Tools ships an update every 36 months, and UNITS MASTER every 4 months. Most recently, Pipe Tools was updated on October 8, 2026 and UNITS MASTER on September 29, 2026.

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