# Flat Pattern vs Screw Flight Calculator

The clearest difference is update cadence: Flat Pattern at daily against Screw Flight Calculator's every 17 months. Flat Pattern also leads on iOS requirement (10.0 vs 13.0). Screw Flight Calculator's advantage is price ($1.99 vs $7.99). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Flat Pattern costs $7.99 and Screw Flight Calculator $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 1.0 for Flat Pattern against 1.0 for Screw Flight Calculator. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Flat Pattern ships an update daily, Screw Flight Calculator every 17 months. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Flat Pattern | Screw Flight Calculator |
| --- | --- | --- |
| Price | $7.99 | **$1.99** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/flat-pattern/id1490125173/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/screw-flight-calculator/id1664794765/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 17 months |
| Monetization | Paid | Paid |
| Size | 64 MB | 44 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Imran Pinjara](https://appshunter.io/developer/1484488781) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## What reviewers say

### Flat Pattern

[App page](https://appshunter.io/ios/app/flat-pattern/id1490125173)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Screw Flight Calculator

[App page](https://appshunter.io/ios/app/screw-flight-calculator/id1664794765)

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.

**Highlights:** Calculate flat pattern size, Input outside & inside diameter, Input pitch and material thickness, Calculate weight of material, Includes radial cut element

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Flat Pattern free?

Flat Pattern costs $7.99, with no in-app purchases.

### Is Screw Flight Calculator free?

Screw Flight Calculator costs $1.99, with no in-app purchases.

### Which has better reviews, Flat Pattern or Screw Flight Calculator?

Flat Pattern and Screw Flight Calculator are both rated 1.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Flat Pattern or Screw Flight Calculator have ads?

Neither Flat Pattern nor Screw Flight Calculator shows ads.

### Which is updated more often, Flat Pattern or Screw Flight Calculator?

Flat Pattern ships an update daily, and Screw Flight Calculator every 17 months. Most recently, Flat Pattern was updated on October 1, 2026 and Screw Flight Calculator on September 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*