Comparison

Flat Pattern vs K

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

Head to head
About

Flat Pattern

This tool helps fabrication professionals create precise flat patterns for various shapes, minimizing fabrication time and increasing accuracy. It supports a wide range of complex geometries for industries like pressure vessels, piping, and heavy equipment.

Highlights
  • Fabrication layout for pipes and cones
  • Supports various pipe intersections
  • Calculates transitions between shapes
  • Generates patterns for pyramids and spheres
  • Includes dish end and screw flight layouts
  • Minimizes fabrication time and increases accuracy
Features
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. 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.

About

K

This utility app calculates bend allowances and deductions for sheet metal fabrication. It helps engineers and fabricators determine precise K-Factor values, improving accuracy and reducing material waste in bending processes.

Highlights
  • K-Factor calculation
  • Bend allowance and deduction
  • Material and thickness support
  • Instant results
  • User-friendly interface
Features
Read full description

K-Factor Bend Allowance Calculator is a powerful and easy-to-use tool designed for engineers, fabricators, sheet metal workers, and designers to quickly calculate accurate bend allowances and bend deductions. Whether you are working with sheet metal, steel, or other materials, this app helps you determine the correct K-Factor for precise bending results, reducing errors and saving time in production. Key Features: =========== • K-Factor Calculator – Easily calculate K-Factor values for accurate bend allowance. • Bend Allowance & Deduction – Get precise values for sheet metal bending. • Material & Thickness Support – Works with different sheet thicknesses and bend radii. • Instant Results – Enter your parameters and get accurate results instantly. • Essential for Fabricators – Ideal for CNC programmers, mechanical engineers, and manufacturing professionals. • User-Friendly Design – Simple, clean, and fast interface for quick calculations. Why Use This App? ============== Accurate K-Factor calculation is essential for ensuring correct flat patterns and minimizing material wastage. With this app, you can improve your sheet metal bending accuracy, optimize design, and save valuable time on the shop floor.

Screenshots

Flat Pattern4 screens
K3 screens

Verdict

The call

The clearest difference is update cadence: Flat Pattern at daily against K's every 43 months. Flat Pattern also leads on iOS requirement (10.0 vs 15.0). K's advantage is price ($2.99 vs $7.99). On ads, 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

Flat Pattern costs $7.99 and K $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Flat Pattern ships an update daily, K every 43 months. The most recent releases landed on August 27, 2026 and June 26, 2026 respectively.

Scorecard3 real differences · 7 level
Flat Pattern versus K: the parameters behind the verdict, then further details
ParameterFlat PatternK
Price$7.99$2.99 — better
Rating1.0 (2 ratings) — better—
Positive reviews—0.0% of reviews
Number of ratings2 — better—
Update frequencyDaily — betterEvery 43 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size64 MB2 MB
Age rating4+4+
DeveloperImran PinjaraBhavinkumar Satashiya

Customer experience

Flat Pattern

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

K

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Flat Pattern

No in-app purchases

None

K

No in-app purchases

Questions

Is Flat Pattern free?
Flat Pattern costs $7.99, with no in-app purchases.
Is K free?
K costs $2.99, with no in-app purchases.
Do Flat Pattern or K have ads?
Neither Flat Pattern nor K shows ads.
Which is updated more often, Flat Pattern or K?
Flat Pattern ships an update daily, and K every 43 months. Most recently, Flat Pattern was updated on August 27, 2026 and K on June 26, 2026.

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