# Screw Flight Pro vs CAD Reader & Editor

The clearest difference is price: CAD Reader & Editor at Free against Screw Flight Pro's $3.99. CAD Reader & Editor also leads on update cadence (every 3 months vs every 41 months) and iOS requirement (13.0 vs 16.1). Screw Flight Pro's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

CAD Reader & Editor is free to download; Screw Flight Pro costs $3.99 up front. CAD Reader & Editor sells 1 one-off in-app purchase. Screw Flight Pro asks for nothing beyond the download.

Screw Flight Pro ships an update every 41 months, CAD Reader & Editor every 3 months. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Screw Flight Pro | CAD Reader & Editor |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/cad-reader-and-editor/id6756293140/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 3 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 46 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) | [Sachinbhai Surani](https://appshunter.io/developer/1838685550) |

## What reviewers say

### Screw Flight Pro

[App page](https://appshunter.io/ios/app/screw-flight-pro/id1484488782)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CAD Reader & Editor

[App page](https://appshunter.io/ios/app/cad-reader-and-editor/id6756293140)

View, edit, and manage CAD drawings on your mobile device. This app provides essential tools for engineers, architects, and construction professionals to work with CAD files on the go, offering features like precise DXF opening, shape addition, and conversion to PDF or image formats.

**Highlights:** Open DXF formats with high precision, Add lines, shapes, text, and layers, Convert drawings to PDF or image formats, Seamless navigation of complex drawings, Save and access recent files and edits, On-site viewing and quick markups

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $12.99 | one-time |


## Frequently asked questions

### Is Screw Flight Pro free?

Screw Flight Pro costs $3.99, with no in-app purchases.

### Is CAD Reader & Editor free?

CAD Reader & Editor is free to download, with in-app purchases available.

### Do Screw Flight Pro or CAD Reader & Editor have ads?

Neither Screw Flight Pro nor CAD Reader & Editor shows ads.

### Which is updated more often, Screw Flight Pro or CAD Reader & Editor?

Screw Flight Pro ships an update every 41 months, and CAD Reader & Editor every 3 months. Most recently, Screw Flight Pro was updated on October 17, 2026 and CAD Reader & Editor on October 12, 2026.

---

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