Screw Flight Pro vs TAC
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
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.
- 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
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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.
TAC
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This App provides cutting parameters for TAC saw blades.
Screenshots
Verdict
The clearest difference is price: TAC at Free against Screw Flight Pro's $3.99. TAC also leads on update cadence (every 3 months vs every 41 months) and iOS requirement (12.4 vs 16.1). On ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
TAC is free to download; Screw Flight Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Screw Flight Pro ships an update every 41 months, TAC every 3 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | Screw Flight Pro | TAC |
|---|---|---|
| Price | $3.99 | Free ā better |
| Positive reviews | 0.0% of reviews | ā |
| Update frequency | Every 41 months | Every 3 months ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | ā |
| Devices | iPhone, iPad | iPhone, iPad, iPod ā better |
| Requires iOS | 16.1 | 12.4 ā better |
| Further details ā not scored | ||
| Size | 1 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Imran Pinjara | Zewas GmbH |
In-app purchases
Screw Flight Pro
No in-app purchases
TAC
No in-app purchases









