Comparison

Flat Pattern Bend Calculator vs Piping Engineering Toolbox

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

Head to head
About

Flat Pattern Bend Calculator

This app provides accurate flat pattern layouts for complex sheet metal shapes and transitions. It simplifies calculations for cones, frustums, cylinders, and various transition pieces, saving time and reducing errors in fabrication projects.

Highlights
  • Cone calculations
  • Frustum calculations
  • Truncated cylinder layouts
  • Bend allowance calculations
  • Transition piece generation
  • Complex shape patterns
Features
Read full description

Unlock the power of advanced sheet metal calculations right at your fingertips. Flat Pattern Bend Calculator is a comprehensive tool designed for engineers, fabricators, and designers who need quick and accurate flat pattern layouts for a variety of complex shapes and transitions. This app simplifies complex metal sheet calculations, enabling users to accurately calculate flat pattern bends for various shapes and structures ► Key Features: Cone Calculations: Easily generate flat patterns for conical shapes. Frustum Eccentric (Parallel & Angle): Compute flat patterns for both parallel and angled eccentric frustums with precision. Truncated Cylinder: Obtain accurate layouts for truncated cylindrical shapes. Bend Allowance Calculations: Calculate bend allowances and deductions for various angles to ensure perfect bends every time. ► Transition Pieces: Rectangle to Circle: Seamlessly transition between rectangular and circular shapes. Rectangle to Circle Eccentric: Handle off-center transitions with ease. Circle to Rectangle: Convert circular shapes to rectangular patterns effortlessly. Rectangle to Rectangle: Calculate flat patterns for rectangular transitions. Complex Shapes: Pants & Pants Eccentric: Design complex bifurcated ducts and fittings. Breeches: Create layouts for Y-shaped connections. Tees: Generate patterns for T-shaped junctions. Pyramid: Calculate flat patterns for pyramid-shaped objects. Auger: Design helical screw patterns with precision. Sphere: Compute flat layouts for spherical shapes. Flange: Generate accurate flange patterns for pipe fittings. Why Choose Our App? • Efficiency: Reduce manual calculations and save valuable time on your projects. • Accuracy: Minimize errors with precise computations tailored to your specific needs. • User-Friendly Interface: Intuitive design makes complex calculations accessible to everyone. • Versatility: Ideal for HVAC ductwork, industrial piping, metal roofing, and custom fabrication projects. • Instant Results: Get immediate calculations to accelerate your workflow. Who Can Benefit? • Sheet Metal Fabricators • Mechanical Engineers • HVAC Professionals • Metalworkers and Welders • Industrial Designers • Students and Educators in Engineering Fields Take Your Fabrication Projects to the Next Level! Say goodbye to cumbersome manual calculations and hello to streamlined efficiency. Download the Sheet Metal Flat Pattern Calculator now and experience the future of metal fabrication. Download Today and Start Shaping Your Success! Privacy Policy : https://forms.gle/dnBUgnpqw4AREio97 Terms of Use : https://forms.gle/2uy2JqJa2JjkTZpo8

About

Piping Engineering Toolbox

This app provides piping engineers with essential tools, dimensions, and standards for design and analysis. It includes calculators, checklists, software shortcuts, and educational resources to streamline work and enhance knowledge.

Highlights
  • Pipe wall thickness calculator
  • Branch reinforcement calculator
  • Piping checklists
  • Fitting dimensions
  • Software shortcuts (AutoCAD, MicroStation)
  • Piping standards references (ASME, ASTM)
  • Industry blog and quizzes
Features
Read full description

This app is designed to be the ultimate resource for piping engineers, combining essential tools, detailed dimensions, and comprehensive standards in one convenient platform. Whether you're calculating critical design parameters or referencing piping standards like ASME and ASTM, this app provides everything you need to streamline your work. The inclusion of various calculators—ranging from pipe wall thickness to branch reinforcement—ensures that you can quickly and accurately complete your design and analysis tasks with confidence. Beyond calculators and standards, the app offers valuable resources like piping checklists, detailed dimensions of various fittings, and essential software shortcuts for commonly used engineering tools such as AutoCAD and MicroStation. The Piping Blog keeps you updated with the latest industry insights, while the quizzes and video library offer opportunities to enhance your knowledge and stay ahead in the field. This app is an indispensable companion for any piping engineer, providing all the tools and information required to excel in the industry. Comprehensive Piping Engineering Tools and Resources in One App Piping Fittings Dimensions: - Steel Pipes - Socket Weld Fittings - Threaded Fittings - Buttweld Fittings - Flanges - Line Blanks - MSS Fittings - Valves Piping Checklists: - Plot Plan Design - Plot Plan Drafting - Equipment Layout Design - Equipment Layout Drafting - MTO General Checklist - MTO - Tie-ins - MTO - 3D Model Extraction - Piping Isometric Drawing Piping Standards Lists: - ASME B31 Codes - ASME Dimensional Standards - MSS Dimensional Standards - ASTM Materials for Pipes - ASTM Materials for Fittings - OISD Standards - API Standards for Equipment - NFPA Standards Software Shortcuts: - AutoCAD - Microstation - PDMS - Excel - Word Piping Quizzes: - Dimensional Standards - Materials of Construction In conclusion, this app is more than just a toolkit—it's a comprehensive solution tailored to meet the demands of modern piping engineering. With its user-friendly interface, extensive resources, and continuous updates, it empowers engineers to perform at their best, whether they're in the office, on-site, or anywhere in between. By centralizing critical tools, standards, and educational content, this app ensures that you have everything you need at your fingertips, making it an invaluable asset for both seasoned professionals and those new to the field. In app purchase included : Weekly for 1.99$ Monthly for 3.99$ Yearly for 5.99$ Life time for 19.99$ Privacy policy : https://privacypolicy50.wordpress.com/privacy-policy-subscription/ Terms and condition :https://privacypolicy50.wordpress.com/terms-and-condition/

Screenshots

Flat Pattern Bend Calculator4 screens
Piping Engineering Toolbox4 screens

Verdict

The call

The clearest difference is rating: Flat Pattern Bend Calculator at 4.6 against Piping Engineering Toolbox's 3.7. Flat Pattern Bend Calculator also leads on ratings volume (151 vs 9). Piping Engineering Toolbox's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, review sentiment, update cadence and in-app purchases 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

Both are free to download. Flat Pattern Bend Calculator sells 6 in-app purchases, starting at $4.99 per 7 days and Piping Engineering Toolbox sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Flat Pattern Bend Calculator holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Flat Pattern Bend Calculator has 151 ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 45% of Flat Pattern Bend Calculator's written reviews are positive against 50% of Piping Engineering Toolbox's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Flat Pattern Bend Calculator ships an update every 2 months, Piping Engineering Toolbox every 3 months. The most recent releases landed on September 24, 2026 and August 26, 2026 respectively.

Scorecard4 real differences · 6 level
Flat Pattern Bend Calculator versus Piping Engineering Toolbox: the parameters behind the verdict, then further details
ParameterFlat Pattern Bend CalculatorPiping Engineering Toolbox
PriceFreeFree
Rating4.6 (151 ratings) — better3.7 (9 ratings)
Positive reviews45.2% of reviews50.0% of reviews — better
Number of ratings151 — better9
Update frequencyEvery 2 months — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size61 MB61 MB
Age rating4+4+
DeveloperBhavinkumar SatashiyaShital Gorasiya

Customer experience

Flat Pattern Bend Calculator

All ratings151 ratings
Positive90.1%
Neutral1.3%
Negative8.6%
Written reviews31 reviews
Positive45.2%
Neutral6.5%
Negative48.4%

Piping Engineering Toolbox

All ratings9 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

6 purchases

Flat Pattern Bend Calculator

Subscriptions5
  • Weekly Subscription$4.997 Days
  • MONTHLY UNLOCK$6.991 Month
  • Offer : Yearly Access$29.991 Year
Show 2 more
  • Yearly Access$39.991 Year
  • YEARLY UNLOCK$39.991 Year
One-time1
  • LIFETIME UNLOCK$69.99
4 purchases

Piping Engineering Toolbox

Subscriptions3
  • Weekly Premium$1.997 Days
  • Monthly Premium$3.991 Month
  • Yearly Premium$7.991 Year
One-time1
  • Lifetime Premium$12.99

Questions

Is Flat Pattern Bend Calculator free?
Flat Pattern Bend Calculator is free to download, with in-app purchases available.
Is Piping Engineering Toolbox free?
Piping Engineering Toolbox is free to download, with in-app purchases available.
Which has better reviews, Flat Pattern Bend Calculator or Piping Engineering Toolbox?
Flat Pattern Bend Calculator is rated higher. Flat Pattern Bend Calculator averages 4.6 out of 5 from 151 ratings, while Piping Engineering Toolbox averages 3.7 from 9 ratings.
Do Flat Pattern Bend Calculator or Piping Engineering Toolbox have ads?
Flat Pattern Bend Calculator shows ads; Piping Engineering Toolbox does not.
Which is updated more often, Flat Pattern Bend Calculator or Piping Engineering Toolbox?
Flat Pattern Bend Calculator ships an update every 2 months, and Piping Engineering Toolbox every 3 months. Most recently, Flat Pattern Bend Calculator was updated on September 24, 2026 and Piping Engineering Toolbox on August 26, 2026.

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