# Transition Layouts Pro vs Screw Flight Calculator

The clearest difference is update cadence: Screw Flight Calculator at every 17 months against Transition Layouts Pro's every 43 months. Screw Flight Calculator also leads on price ($1.99 vs $3.99) and iOS requirement (13.0 vs 16.1). On ads, in-app purchases and device support there is nothing between them.

Transition Layouts Pro costs $3.99 and Screw Flight Calculator $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Transition Layouts Pro ships an update every 43 months, Screw Flight Calculator every 17 months. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Transition Layouts Pro | Screw Flight Calculator |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/screw-flight-calculator/id1664794765/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 17 months** |
| Monetization | — | Paid |
| Size | 1 MB | 44 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPhone, iPad | **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

### Transition Layouts Pro

[App page](https://appshunter.io/ios/app/transition-layouts-pro/id1489898609)

**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 Transition Layouts Pro free?

Transition Layouts Pro costs $3.99, with no in-app purchases.

### Is Screw Flight Calculator free?

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

### Do Transition Layouts Pro or Screw Flight Calculator have ads?

Neither Transition Layouts Pro nor Screw Flight Calculator shows ads.

### Which is updated more often, Transition Layouts Pro or Screw Flight Calculator?

Transition Layouts Pro ships an update every 43 months, and Screw Flight Calculator every 17 months. Most recently, Transition Layouts Pro was updated on October 25, 2026 and Screw Flight Calculator on November 3, 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.*