Comparison

Flat Pattern Bend Calculator vs Surface Area Calculator + Cost

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

Surface Area Calculator + Cost

Calculate the surface area of various 3D geometric shapes and get an estimated cost for materials. Supports multiple units for calculations and results.

Highlights
  • Surface area calculation for 11 shapes
  • Material cost estimation
  • Multiple unit support
  • Results in various units
  • Subscription for unlimited access
Features
Read full description

Our app helps you to calculate the surface area of several common shapes. This tool also provides a cost of materials estimate. We offer a diverse set of units suitable for almost every country. The results of each calculation are also expressed in many units of different area. We support you with a variety of different types: - Cone - Cube - Sphere - Pyramid - Cylinder - Octahedron - Rectangular - Truncated cone - Triangular Prism - Hexagonal Prism - Triangular Pyramid - Hemispherical Shape SUBSCRIPTION INFORMATION This subscription package offers users unlimited access to all app features throughout the subscription period. • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • Account will be charged for renewal within 24 hours prior to the end of the current period, and identify the cost of the renewal. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://13520178.github.io/SurfaceAreaCalc/policy.html Terms of Use: https://13520178.github.io/SurfaceAreaCalc/terms.html We are happy to serve! If you have any requests or suggestions, do not hesitate to contact us. Email: phannhatd@gmail.com

Screenshots

Flat Pattern Bend Calculator4 screens
Surface Area Calculator + Cost3 screens

Verdict

The call

The clearest difference is rating: Flat Pattern Bend Calculator at 4.6 against Surface Area Calculator + Cost's 3.5. Flat Pattern Bend Calculator also leads on review sentiment (47% vs 22%) and update cadence (every 2 months vs every 6 months). Surface Area Calculator + Cost's advantage is ads (none vs shown). On price, in-app purchases, monetization model 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

Both are free to download. Flat Pattern Bend Calculator sells 6 in-app purchases, starting at $4.99 per month and Surface Area Calculator + Cost sells 3 in-app purchases, starting at $1.99 per month. 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 3.5. That said, the two scores are not equally well evidenced: Flat Pattern Bend Calculator has 151 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 47% of Flat Pattern Bend Calculator's written reviews are positive against 22% of Surface Area Calculator + Cost's.

UpkeepUpdate frequency

Flat Pattern Bend Calculator ships an update every 2 months, Surface Area Calculator + Cost every 6 months. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

Scorecard5 real differences · 5 level
Flat Pattern Bend Calculator versus Surface Area Calculator + Cost: the parameters behind the verdict, then further details
ParameterFlat Pattern Bend CalculatorSurface Area Calculator + Cost
PriceFreeFree
Rating4.6 (151 ratings) — better3.5 (24 ratings)
Positive reviews46.9% of reviews — better22.2% of reviews
Number of ratings151 — better24
Update frequencyEvery 2 months — betterEvery 6 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size61 MB4 MB
Age rating4+4+
DeveloperBhavinkumar SatashiyaPhan Nhat Đang

Customer experience

Flat Pattern Bend Calculator

All ratings151 ratings
Positive90.1%
Neutral1.3%
Negative8.6%
Written reviews32 reviews
Positive46.9%
Neutral6.3%
Negative46.9%

Surface Area Calculator + Cost

All ratings24 ratings
Positive62.5%
Neutral4.2%
Negative33.3%
Written reviews9 reviews
Positive22.2%
Neutral11.1%
Negative66.7%

In-app purchases

6 purchases

Flat Pattern Bend Calculator

Subscriptions5
  • MONTHLY UNLOCK$4.991 Month
  • Weekly Subscription$4.997 Days
  • Offer : Yearly Access$19.991 Year
Show 2 more
  • YEARLY UNLOCK3 Days trial$29.991 Year
  • Yearly Access$29.991 Year
One-time1
  • LIFETIME UNLOCK$49.99
3 purchases

Surface Area Calculator + Cost

Subscriptions2
  • Premium monthly package$1.991 Month
  • Annual Premium Package$14.991 Year
One-time1
  • Remove ads$19.99

Questions

Is Flat Pattern Bend Calculator free?
Flat Pattern Bend Calculator is free to download, with in-app purchases available.
Is Surface Area Calculator + Cost free?
Surface Area Calculator + Cost is free to download, with in-app purchases available.
Which has better reviews, Flat Pattern Bend Calculator or Surface Area Calculator + Cost?
Flat Pattern Bend Calculator is rated higher. Flat Pattern Bend Calculator averages 4.6 out of 5 from 151 ratings, while Surface Area Calculator + Cost averages 3.5 from 24 ratings.
Do Flat Pattern Bend Calculator or Surface Area Calculator + Cost have ads?
Flat Pattern Bend Calculator shows ads; Surface Area Calculator + Cost does not.
Which is updated more often, Flat Pattern Bend Calculator or Surface Area Calculator + Cost?
Flat Pattern Bend Calculator ships an update every 2 months, and Surface Area Calculator + Cost every 6 months. Most recently, Flat Pattern Bend Calculator was updated on October 15, 2026 and Surface Area Calculator + Cost on October 1, 2026.

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