Screw Flight Calculator vs iYield
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Screw Flight Calculator
Calculate the flat pattern size for cutting blank plates for screw flight development and fabrication. This tool is essential for creating screw conveyors, ribbon blenders, and other process equipment.
- Calculate flat pattern size
- Input outside & inside diameter
- Input pitch and material thickness
- Calculate weight of material
- Includes radial cut element
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Screw Flight Calculator will give you handy Calculation of Screw Flight development. It will give you Flat pattern Size for Cutting Blank plate for development or fabrication of Screw flight. This app is very useful for those who are working in the field of Screw Conveyor or Ribbon Blender fabrication. In this App Input is Required Outside & Inside Diameter of Screw, pitch of flight, material thickness & specific gravity of material of Construction such as carbon steel, Stainless steel,Copper, Brass or Bronze material. This app Gives Output as Development Outside Diameter of raw Plate Circle & Inside Diameter of Circle so that it will be perfectly fit with shaft or pipe on which it will be going to weld after twisting of raw plate. It app includes addition Element of Radial Cut Required for flight development, but it is advisable to use full circle for Cutting. This app is also for those who are working in the field of fabrication of Pressure vessel, Heat ex-changer, Storage Tank, Agitator & Mixer and any other process equipment. this app also calculate the weight of material after cutting according to development.
iYield
Calculate corn and soybean yields using key agricultural metrics. Input moisture, weight, length, and row spacing to get an estimated harvest.
- Corn yield estimation
- Soybean yield estimation
- Moisture input
- Weight input
- Row spacing input
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Estimate corn and soybean yields from moisture, pounds, length, rows, & row width inputs.
Screenshots
Verdict
The clearest difference is rating: iYield at 5.0 against Screw Flight Calculator's 1.0. iYield also leads on update cadence (every 8 days vs every 17 months). Screw Flight Calculator's advantage is price ($1.99 vs $2.99) and iOS requirement (13.0 vs 16.1). On ratings volume, ads, in-app purchases and monetization model 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
Screw Flight Calculator costs $1.99 and iYield $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iYield holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Screw Flight Calculator ships an update every 17 months, iYield every 8 days. The most recent releases landed on August 19, 2026 and June 1, 2026 respectively.
| Parameter | Screw Flight Calculator | iYield |
|---|---|---|
| Price | $1.99 — better | $2.99 |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 17 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.1 |
| Further details — not scored | ||
| Size | 44 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Kantaben Gorasiya | Scott Mygind |
Customer experience
Screw Flight Calculator
iYield
In-app purchases
Screw Flight Calculator
No in-app purchases
iYield
No in-app purchases
Questions
Is Screw Flight Calculator free?
Is iYield free?
Which has better reviews, Screw Flight Calculator or iYield?
Do Screw Flight Calculator or iYield have ads?
Which is updated more often, Screw Flight Calculator or iYield?
Other comparisons
