Comparison

Pipe Trades Pro Calc vs Flat Pattern Pro

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

Head to head
About

Pipe Trades Pro Calc

This app provides advanced calculation tools and comprehensive data for pipe trade professionals. It streamlines workflows for pipefitters, welders, and steamfitters with features for measurements, fluid dynamics, and material specifications. Designed for efficiency and accuracy, it works offline for on-site use.

Highlights
  • Advanced measurement calculations
  • Fluid dynamics and pressure analysis
  • Comprehensive pipe data access
  • Offline functionality
  • User-centric interface
  • Material and dimension options
Features
Read full description

FREE Try Before You Buy trial, your App Store account is not charged by Apple during the free trial. Welcome to Pipe Trades Pro for iPhone, a game-changing tool for professionals in the pipe trades industry. This application is expertly designed to enhance the efficiency and accuracy of pipefitters, steamfitters, sprinklerfitters, and welders. From complex calculations to extensive pipe data, Pipe Trades Pro is your go-to solution for a streamlined work process. ----- ADVANCED CALCULATION CAPABILITIES ----- • Tackle complex measurements like cut lengths, take-outs, and odd-degree fittings easily • Navigate through right angles, offsets, and intricate rolling offsets confidently • Utilize tools for determining pipe areas, fill weights, and unit conversions • Efficiently manage parallel pipe cutbacks with accurate alignment and spacing • Incorporate feet-inch-fractions and trigonometry for precise measurement adjustments ----- FLUID DYNAMICS AND PRESSURE ANALYSIS ----- • Accurately compute flow rates, velocity, force, and volumes for diverse fluid types • Assess pressure loss effectively across any pipe size, type, or distance • Make informed decisions based on dynamic fluid properties and behaviors • Optimize piping systems for maximum flow efficiency and safety ----- COMPREHENSIVE PIPE DATA ACCESS ----- • Access vital information for pipes up to 42 inches, including diameters and wall thickness • Select from materials like steel, stainless steel, brass, aluminum, etc. • Quickly reference internal area and filled weight per foot for different pipe types • Make informed choices with extensive material and dimension options ----- USER-CENTRIC INTERFACE DESIGN ----- • Experience a streamlined, intuitive interface designed for quick and easy navigation • Access key features with minimal taps, saving time and enhancing user experience • Benefit from an interface that optimizes the iPhone’s screen space and usability • Enjoy a clutter-free, visually appealing layout for stress-free operation • Adapt quickly with an interface designed for both new and experienced users ----- OFFLINE FUNCTIONALITY AND SUPPORT ----- • Utilize full app capabilities without an internet connection, perfect for on-site tasks • Access all data and features offline, ensuring uninterrupted productivity • Rely on consistent app performance in remote or internet-challenged locations • Receive dedicated customer support for any queries or technical issues Pipe Trades Pro for iPhone is not just an application; it's a comprehensive tool transforming how pipe trade professionals work. It combines advanced technology, user-friendly design, and practical features to create a smoother, more efficient workflow. Embrace the future of pipe layout and design with Pipe Trades Pro, where accuracy meets efficiency. SUBSCRIPTION INFORMATION Your Free Trial period is free of charge. Subscriptions offered will automatically renew at the end of the chosen period. Payment will be charged to your Apple account upon purchase confirmation. The subscription will automatically renew unless auto-renew is turned off or the subscription is canceled in settings at least one day (24 hours) before the subscription period ends. You can manage your subscription and turn off auto-renewal in your Apple account Settings > Subscriptions. LEGAL Pipe Trades Pro is a trademark of Calculated Industries, Inc. Copyright 2025

About

Flat Pattern Pro

This app provides a comprehensive tool for calculating and developing fabrication layouts for a wide range of shapes. It helps minimize fabrication time and increase accuracy by offering user-friendly tools for complex designs.

Highlights
  • Fabrication layout development
  • Supports numerous shapes (pipes, cones, pyramids, spheres)
  • Minimizes fabrication time
  • Increases accuracy
  • Offline functionality
  • Ad-free experience
Features
Currently charting
Read full description

It is very helpful for developing fabrication layout of all types of shapes generally used in fabrication. it is minimize fabrication time, increased accuracy. Flat Pattern Calculator is Tool for All Types of Widely used fabrication shapes Such as Pipe, Truncated Pipes, Pipe Branch Connections, Pipe to Cone Intersections, Cone, Truncated Cone, Eccentric Cone, Tori Cone, Multi-Level Cone, Square to Round, Rectangular to Round, Round to Square, Round to Rectangular, Pyramid, Truncated Pyramids, Sphere, Dish ends, Miter bend, Fabricated Bend, Cut Bend, Screw Flight etc. App Features: 1. No Internet required 2. No irritating Ads 3. High Performance 4. Fabrication Layout Marking Friendly 5. Easy to Use. In this App Following Fabrication Flat Patterns Options are available : Pipe Layout or Shell Layout or Pipe Flat Pattern. Truncated Pipe Layout or Pipe cut at any angle Flat Pattern. Truncated Pipe at Both end layout or Pipe cut by an angle on both side Flat Pattern. Pipe to Pipe Intersection with equal Diameters or Pipe Branch connection Flat Pattern. Pipe to Pipe Intersection with unequal diameters or Pipe Branch Connection Flat Pattern. Pipe to Pipe Intersection with offset diameters or Pipe Branch Connection Flat Pattern. Pipe to Cone intersection at Perpendicular to Axis Flat Pattern. Pipe to Cone Inter Section at Parallel to Axis Flat Pattern. Pipe Truncated by Radius Flat Pattern. Full Cone Layout Flat Pattern. Truncated or Half Cone Layout Flat Pattern. Multi Level Cone Layout Flat Pattern. Eccentric Cone Layout Flat Pattern. Multilevel eccentric cone layouts Flat Pattern. Tori cone with Knuckle radius at large end Flat Pattern. Tori cone with Knuckle radius at both ends Flat Pattern. Rectangle to Round or Square to Round Transition layout Flat Pattern. Round to Rectangle or Round to Square transition layout Flat Pattern. Pyramid layout Flat Pattern. Truncated Pyramid Layout Flat Pattern. Sphere Petal Layouts Flat Pattern. Dish End Petal Layouts Flat Pattern. Miter Bend Layout Flat Pattern. Screw Flight Layout Flat Pattern. In this application cone,shell,pipe,pipe branch connections, full cone, half cone, truncated cone, square to round, round to square, rectangular to round, Round to rectangular, pyramid, truncated pyramid, cone to pipe branch, spheres, dish ends etc. it is useful for those who are working in Pressure vessels fabrication, process equipment fabrication, welding, Piping, Insulation, Ducting, heavy Equipment fabrication, Storage tank, Agitators, Mechanical equipment, structures, industrial fabrication, heat ex changers etc. it is best tool for production engineers, fabrication engineer, planning engineers, costing and estimating engineers, project engineers, fabrication contractor, fabrication supervisors, fabrication fitters, fabrication worker.

Screenshots

Pipe Trades Pro Calc4 screens
Flat Pattern Pro4 screens

Verdict

The call

The clearest difference is price: Pipe Trades Pro Calc at Free against Flat Pattern Pro's $9.99. Pipe Trades Pro Calc also leads on review sentiment (42% vs 0%) and update cadence (every 7 months vs every 42 months). Flat Pattern Pro's advantage is in-app purchases (none vs 6). On ads, chart position 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 Trades Pro Calc is free to download; Flat Pattern Pro costs $9.99 up front. Pipe Trades Pro Calc sells 2 in-app purchases, starting at $4.99 per month. Flat Pattern Pro asks for nothing beyond the download.

UpkeepUpdate frequency

Pipe Trades Pro Calc ships an update every 7 months, Flat Pattern Pro every 42 months. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

Scorecard6 real differences · 5 level
Pipe Trades Pro Calc versus Flat Pattern Pro: the parameters behind the verdict, then further details
ParameterPipe Trades Pro CalcFlat Pattern Pro
PriceFree — better$9.99
Rating4.8 (4.3K ratings) — better—
Positive reviews42.5% of reviews — better0.0% of reviews
Number of ratings4.3K — better—
Update frequencyEvery 7 months — betterEvery 42 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank#196#191 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.1
Further details — not scored
Size51 MB2 MB
Age rating12+4+
DeveloperCalculated IndustriesImran Pinjara

Customer experience

Pipe Trades Pro Calc

All ratings4,282 ratings
Positive95.6%
Neutral1.2%
Negative3.2%
Written reviews106 reviews
Positive42.5%
Neutral11.3%
Negative46.2%

Flat Pattern Pro

Written reviews3 reviews
Positive0.0%
Neutral66.7%
Negative33.3%

Bugs and requests

Pipe Trades Pro Calc

Reported bugs

3 issues
  • App freezes or stops working after updates
  • Calculation errors with fractions
  • Issues with reinstalling or transferring purchases

Requested features

4 requests
  • Ability to use app without subscription
  • Support for larger pipe sizes
  • Add a back/undo button
  • Rotate screen orientation

Flat Pattern Pro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Pipe Trades Pro Calc

Subscriptions2
  • 1 Month Full Access14 Days trial3 variants$4.991 Month
  • 1 Year Full Access14 Days trial3 variants$39.991 Year
None

Flat Pattern Pro

No in-app purchases

Questions

Is Pipe Trades Pro Calc free?
Pipe Trades Pro Calc is free to download, with in-app purchases available.
Is Flat Pattern Pro free?
Flat Pattern Pro costs $9.99, with no in-app purchases.
Do Pipe Trades Pro Calc or Flat Pattern Pro have ads?
Neither Pipe Trades Pro Calc nor Flat Pattern Pro shows ads.
Which is updated more often, Pipe Trades Pro Calc or Flat Pattern Pro?
Pipe Trades Pro Calc ships an update every 7 months, and Flat Pattern Pro every 42 months. Most recently, Pipe Trades Pro Calc was updated on October 15, 2026 and Flat Pattern Pro on October 1, 2026.
Which is more popular, Pipe Trades Pro Calc or Flat Pattern Pro?
Pipe Trades Pro Calc currently peaks at #196 in the App Store charts, and Flat Pattern Pro at #191. Chart position reflects recent download velocity rather than total install base.

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