# Screw Flight Calculator vs Hole Spacing & Bolt Pattern

The clearest difference is iOS requirement: Screw Flight Calculator at 13.0 against Hole Spacing & Bolt Pattern's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Screw Flight Calculator | Hole Spacing & Bolt Pattern |
| --- | --- | --- |
| Price | $1.99 | $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 17 months | — |
| Monetization | Paid | — |
| Size | 44 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) |

## What reviewers say

### 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


### Hole Spacing & Bolt Pattern

[App page](https://appshunter.io/ios/app/hole-spacing-and-bolt-pattern/id6766302103)

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

**In-app purchases:** none


## Frequently asked questions

### Is Screw Flight Calculator free?

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

### Is Hole Spacing & Bolt Pattern free?

Hole Spacing & Bolt Pattern costs $1.99, with no in-app purchases.

### Do Screw Flight Calculator or Hole Spacing & Bolt Pattern have ads?

Neither Screw Flight Calculator nor Hole Spacing & Bolt Pattern shows ads.

---

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