Comparison

Flat Pattern Bend Calculator vs Diameter Finder

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

Diameter Finder

This utility app provides a straightforward way to calculate circle properties. Simply input one known value (radius, diameter, circumference, or area) to instantly get the results for the others. It's designed for quick and no-fuss calculations.

Highlights
  • Calculate radius
  • Calculate diameter
  • Calculate circumference
  • Calculate area
  • Input any single value
  • Quick results
Features
Read full description

Diameter Finder - Circle Calculator. Do you need a quick and easy to use circle calculator? No problem, here it is. Enter one value to get the result in no time: Radius Diameter Circumference Area No fuss calculator. Does what it says on the tin.

Screenshots

Flat Pattern Bend Calculator4 screens
Diameter Finder4 screens

Verdict

The call

The clearest difference is review sentiment: Diameter Finder at 100% against Flat Pattern Bend Calculator's 47%. Diameter Finder also leads on in-app purchases (none vs 6) and ads (none vs shown). Flat Pattern Bend Calculator's advantage is ratings volume (151 vs 1) and update cadence (every 2 months vs every 5 months). On price 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. Diameter Finder asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Diameter Finder holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Flat Pattern Bend Calculator has 151 ratings behind it against 1, 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 100% of Diameter Finder's.

UpkeepUpdate frequency

Flat Pattern Bend Calculator ships an update every 2 months, Diameter Finder every 5 months. The most recent releases landed on October 15, 2026 and September 19, 2026 respectively.

Scorecard8 real differences · 2 level
Flat Pattern Bend Calculator versus Diameter Finder: the parameters behind the verdict, then further details
ParameterFlat Pattern Bend CalculatorDiameter Finder
PriceFreeFree
Rating4.6 (151 ratings)5.0 (1 ratings) — better
Positive reviews46.9% of reviews100.0% of reviews — better
Number of ratings151 — better1
Update frequencyEvery 2 months — betterEvery 5 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.1 — better
Further details — not scored
Size61 MB13 MB
Age rating4+4+
DeveloperBhavinkumar SatashiyaKrzysztof Gwiazda

Customer experience

Flat Pattern Bend Calculator

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

Diameter Finder

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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
None

Diameter Finder

No in-app purchases

Questions

Is Flat Pattern Bend Calculator free?
Flat Pattern Bend Calculator is free to download, with in-app purchases available.
Is Diameter Finder free?
Diameter Finder is free to download, with no in-app purchases.
Which has better reviews, Flat Pattern Bend Calculator or Diameter Finder?
Diameter Finder is rated higher. Flat Pattern Bend Calculator averages 4.6 out of 5 from 151 ratings, while Diameter Finder averages 5.0 from 1 ratings.
Do Flat Pattern Bend Calculator or Diameter Finder have ads?
Flat Pattern Bend Calculator shows ads; Diameter Finder does not.
Which is updated more often, Flat Pattern Bend Calculator or Diameter Finder?
Flat Pattern Bend Calculator ships an update every 2 months, and Diameter Finder every 5 months. Most recently, Flat Pattern Bend Calculator was updated on October 15, 2026 and Diameter Finder on September 19, 2026.

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