Comparison

Flat Pattern Bend Calculator vs Arc+

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

Arc+

This utility app helps users calculate various dimensions of circular arcs, including radius, length, width, and height. It offers a simple interface where users input two known values to derive the rest. Additional features include a unit converter, result saving, and sharing capabilities.

Highlights
  • Calculate Radius, Length, Width, Height, Tangent
  • Input two known values to find others
  • Measurement units converter
  • Save results to favorites
  • Share calculations
Features
Read full description

Arc+ The Complete Circular Arc Calculator Calculates the Radius, Length, Width (chord), Height, Tangent How it works: Select two known values and type it in text boxes and click on ( = ) to get the required values. Features: Measurement units converter Save your results to a favorite list Share your results with others

Screenshots

Flat Pattern Bend Calculator4 screens
Arc+3 screens

Verdict

The call

The clearest difference is ads: Arc+ at none against Flat Pattern Bend Calculator's shown. Arc+ also leads on monetization model (free vs free with in-app purchases). Flat Pattern Bend Calculator's advantage is update cadence (every 2 months vs every 4 months). On price, rating, review sentiment and ratings volume 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 Arc+ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Flat Pattern Bend Calculator against 4.6 for Arc+. Both are backed by a comparable volume of ratings — 151 and 113 respectively. Written reviews are what separate them: 45% of Flat Pattern Bend Calculator's written reviews are positive against 50% of Arc+'s.

UpkeepUpdate frequency

Flat Pattern Bend Calculator ships an update every 2 months, Arc+ every 4 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
Flat Pattern Bend Calculator versus Arc+: the parameters behind the verdict, then further details
ParameterFlat Pattern Bend CalculatorArc+
PriceFreeFree
Rating4.6 (151 ratings)4.6 (113 ratings) — better
Positive reviews45.2% of reviews50.0% of reviews — better
Number of ratings151 — better113
Update frequencyEvery 2 months — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size61 MB4 MB
Age rating4+4+
DeveloperBhavinkumar SatashiyaMohamed Saad

Customer experience

Flat Pattern Bend Calculator

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

Arc+

All ratings109 ratings
Positive89.0%
Neutral7.3%
Negative3.7%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

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
1 purchases

Arc+

One-time1
  • Ad Blocker$4.99

Questions

Is Flat Pattern Bend Calculator free?
Flat Pattern Bend Calculator is free to download, with in-app purchases available.
Is Arc+ free?
Arc+ is free to download, with in-app purchases available.
Which has better reviews, Flat Pattern Bend Calculator or Arc+?
Arc+ is rated higher. Flat Pattern Bend Calculator averages 4.6 out of 5 from 151 ratings, while Arc+ averages 4.6 from 113 ratings.
Do Flat Pattern Bend Calculator or Arc+ have ads?
Flat Pattern Bend Calculator shows ads; Arc+ does not.
Which is updated more often, Flat Pattern Bend Calculator or Arc+?
Flat Pattern Bend Calculator ships an update every 2 months, and Arc+ every 4 months. Most recently, Flat Pattern Bend Calculator was updated on September 24, 2026 and Arc+ on September 22, 2026.

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