Comparison

Sheet Bending Calculator Pro vs K

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

Head to head
About

Sheet Bending Calculator Pro

Calculate bending allowance, deduction, and required plate size for sheet metal fabrication. Supports both millimeters and inches, and includes material k-factor and decimal fraction charts for quick reference. Ideal for daily fabrication tasks.

Highlights
  • Bending allowance calculation
  • Bending deduction calculation
  • Required plate/sheet size calculation
  • Millimeter and inch settings
  • Material k-factor chart
  • Decimal fraction chart
Features
Read full description

Sheet Bending Calculator is a professional engineering and fabrication tool for calculating bend allowance, bend deduction, and flat pattern plate size for sheet metal bending applications. Designed for sheet metal fabricators, press brake operators, mechanical engineers, workshop technicians, and manufacturing professionals, the app helps determine accurate flat dimensions before bending and forming. By simplifying bend calculations and eliminating repetitive manual trigonometry and spreadsheets, Sheet Bending Calculator helps reduce material waste, minimize fabrication errors, and improve bending accuracy. Available Calculations • Bend Allowance (BA) • Bend Deduction (BD) • Flat Pattern Plate Size Bend Allowance Calculator Calculate bend allowance using the required bending parameters: • Bend Angle • Inside Bend Radius • K-Factor • Material Thickness The calculated bend allowance can be used to determine the developed length required before bending. Bend Deduction Calculator Calculate bend deduction for sheet metal fabrication and use the result when determining the correct flat pattern dimensions before cutting and forming. Flat Pattern Plate Size Determine the required flat plate or sheet size before bending. This helps fabricators prepare material accurately and reduce: • Material Waste • Cutting Errors • Trial and Error • Incorrect Measurements • Fabrication Rework K-Factor Based Calculation The calculator uses K-Factor as an important input for determining bend allowance and developed sheet length. This allows users to adjust calculations according to their selected bending conditions and fabrication requirements. Features • Sheet metal bend calculations • Bend allowance calculation • Bend deduction calculation • Flat pattern development • K-Factor support • Inside bend radius input • Bend angle calculation • Material thickness input • Press brake fabrication support • Metric and Imperial units • Dimensions in mm or inches • Fractional Imperial input support • Automatic unit conversion • Fast calculation results • Simple professional interface • No internet connection required Applications Sheet Bending Calculator is useful for: • Sheet Metal Fabrication • Press Brake Operations • HVAC Duct Fabrication • Enclosure Manufacturing • Electrical Panel Fabrication • Bracket Manufacturing • Equipment Fabrication • Industrial Sheet Metal Work • Mechanical Component Manufacturing • Workshop Production Designed For • Sheet Metal Fabricators • Press Brake Operators • Fabrication Engineers • Mechanical Engineers • Production Engineers • Design Engineers • Workshop Technicians • Manufacturing Professionals • Fabrication Supervisors • Engineering Students Sheet Bending Calculator helps you determine the correct developed sheet size before bending, allowing you to cut material accurately and achieve the required finished dimensions with less trial and error. Whether you are fabricating brackets, panels, enclosures, ducts, equipment components, or custom sheet metal parts, the app provides a convenient tool for bend allowance, bend deduction, and flat pattern calculations.

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

Sheet Bending Calculator Pro4 screens
K3 screens

Verdict

The call

Sheet Bending Calculator Pro and K are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Sheet Bending Calculator Pro costs $2.99 and K $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Sheet Bending Calculator Pro ships an update every 41 months, K every 43 months. The most recent releases landed on October 17, 2026 and October 30, 2026 respectively.

ScorecardNo meaningful differences
Sheet Bending Calculator Pro versus K: the parameters behind the verdict, then further details
ParameterSheet Bending Calculator ProK
Price$2.99$2.99
Rating1.5 (2 ratings) — better—
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings2 — better—
Update frequencyEvery 41 months — betterEvery 43 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.115.0 — better
Further details — not scored
Size1 MB2 MB
Age rating4+4+
DeveloperImran PinjaraBhavinkumar Satashiya

Customer experience

Sheet Bending Calculator Pro

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

K

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

In-app purchases

None

Sheet Bending Calculator Pro

No in-app purchases

None

K

No in-app purchases

Questions

Is Sheet Bending Calculator Pro free?
Sheet Bending Calculator Pro costs $2.99, with no in-app purchases.
Is K free?
K costs $2.99, with no in-app purchases.
Do Sheet Bending Calculator Pro or K have ads?
Neither Sheet Bending Calculator Pro nor K shows ads.
Which is updated more often, Sheet Bending Calculator Pro or K?
Sheet Bending Calculator Pro ships an update every 41 months, and K every 43 months. Most recently, Sheet Bending Calculator Pro was updated on October 17, 2026 and K on October 30, 2026.

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