Comparison

Screw Flight Pro vs Elbow

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

Head to head
About

Screw Flight Pro

Calculate screw flight development for fabrication. This app provides flat pattern sizes for cutting blank plates, essential for screw conveyors and ribbon blenders. It helps determine raw cutting plate dimensions for various process equipment.

Highlights
  • Calculate screw flight development
  • Flat pattern size for cutting blank plates
  • Input outside & inside diameter, pitch, thickness
  • Calculate weight of flight using specific gravity
  • Determine raw cutting plate size
  • Includes radial cut element
Features
Read full description

Screw Flight Pro is a professional engineering calculator for designing and developing screw conveyor and auger screw flight flat patterns. It helps fabricators, mechanical engineers, conveyor manufacturers, workshop professionals, and students generate accurate screw flight developments quickly without complex manual calculations. The app calculates flat pattern dimensions for screw flights, supports radial cut and full ring layouts, and provides instant weight estimation for improved material planning and fabrication accuracy. Designed for real workshop applications, it delivers reliable results in a simple and easy-to-use interface. Features • Accurate screw flight flat pattern development • Radial cut and full ring layout modes • Instant flight weight calculation • Automatic geometry calculations • Supports Metric and Imperial units • Automatic internal unit conversion • Fast and workshop-friendly interface • No internet connection required Calculate • Flight Width • Inner Radius • Outer Radius • Alpha Angle • Beta Angle • Developed Lengths (X1, X2, A1, A2) • Flight Weight per Piece Input Parameters • Screw Flight Outside Diameter • Pipe or Shaft Diameter • Flight Pitch • Material Thickness • Material Density Ideal For • Screw Conveyor Fabrication • Auger Manufacturing • Spiral Flight Development • Sheet Metal Fabrication • Mechanical Engineering • Industrial Fabrication Workshops • Conveyor Equipment Manufacturing • Workshop Production Benefits • Eliminates manual calculations • Improves fabrication accuracy • Saves workshop time • Reduces material waste • Assists material estimation and costing • Produces reliable fabrication dimensions Whether you are manufacturing screw conveyors, augers, spiral flights, or other conveying equipment, Screw Flight Pro provides accurate flat pattern calculations and weight estimation to simplify fabrication, improve productivity, and deliver dependable workshop results.

About

Elbow

This tool simplifies the creation of accurate flat patterns for elbow fittings in sheet metal fabrication, HVAC, and piping. Input key parameters like angle and dimensions to instantly generate precise calculations for cutting and shaping materials, saving time and reducing errors.

Highlights
  • Calculate inner arc length
  • Determine elbow angle and cutting dimensions
  • Support custom angle inputs
  • Accurate flat pattern development
  • Quick and reliable results
Features
Read full description

Elbow Flat Pattern Calculator is a practical tool designed for professionals and learners involved in sheet metal fabrication, HVAC systems, piping, and related industries. It simplifies the process of creating accurate flat patterns for elbow fittings, helping users save time and reduce manual calculation errors. With an easy-to-use interface, the app allows users to input key parameters such as elbow angle and dimensions, and instantly generates precise calculations required for cutting and shaping materials. Key Features: - Calculate inner arc length of the elbow - Determine elbow angle and cutting dimensions - Support for custom angle inputs (e.g., 45°, 90°, or any required angle) - Accurate flat pattern development for fabrication - Quick and reliable results for professional use This app is especially useful for engineers, fabricators, HVAC technicians, and students who require precise measurements for ductwork, piping, or sheet metal projects. By automating complex calculations, it ensures better accuracy and improves overall workflow efficiency. In app purchase included : Weekly Premium Monthly Premium Privacy policy : https://chatlyst.in/privacy.html Terms and condition : https://chatlyst.in/tcondition.html

Screenshots

Screw Flight Pro4 screens
Elbow4 screens

Verdict

The call

The clearest difference is price: Elbow at Free against Screw Flight Pro's $3.99. Elbow also leads on update cadence (every 4 months vs every 41 months) and iOS requirement (13.0 vs 16.1). Screw Flight Pro's advantage is in-app purchases (none vs 2). On review sentiment, ads 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

Elbow is free to download; Screw Flight Pro costs $3.99 up front. Elbow sells 2 in-app purchases, starting at $4.99 per 7 days. Screw Flight Pro asks for nothing beyond the download.

UpkeepUpdate frequency

Screw Flight Pro ships an update every 41 months, Elbow every 4 months. The most recent releases landed on October 1, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
Screw Flight Pro versus Elbow: the parameters behind the verdict, then further details
ParameterScrew Flight ProElbow
Price$3.99Free — better
Rating—5.0 (1 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 41 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.113.0 — better
Further details — not scored
Size1 MB58 MB
Age rating4++4
DeveloperImran PinjaraKantaben Gorasiya

Customer experience

Screw Flight Pro

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Elbow

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Screw Flight Pro

No in-app purchases

2 purchases

Elbow

Subscriptions2
  • Weekly$4.997 Days
  • Monthly$9.991 Month

Questions

Is Screw Flight Pro free?
Screw Flight Pro costs $3.99, with no in-app purchases.
Is Elbow free?
Elbow is free to download, with in-app purchases available.
Do Screw Flight Pro or Elbow have ads?
Neither Screw Flight Pro nor Elbow shows ads.
Which is updated more often, Screw Flight Pro or Elbow?
Screw Flight Pro ships an update every 41 months, and Elbow every 4 months. Most recently, Screw Flight Pro was updated on October 1, 2026 and Elbow on October 13, 2026.

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