# Screw Flight Calculator vs SiloConnect

The clearest difference is price: SiloConnect at Free against Screw Flight Calculator's $1.99. SiloConnect also leads on update cadence (every 6 weeks vs every 17 months). Screw Flight Calculator's advantage is iOS requirement (13.0 vs 15.5). On ads, in-app purchases and device support there is nothing between them.

SiloConnect is free to download; Screw Flight Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Screw Flight Calculator ships an update every 17 months, SiloConnect every 6 weeks. The most recent releases landed on August 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Screw Flight Calculator | SiloConnect |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| 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 | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 44 MB | 46 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [Nanolike](https://appshunter.io/developer/1155508588) |

## 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


### SiloConnect

[App page](https://appshunter.io/ios/app/siloconnect/id6444841565)

**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 SiloConnect free?

SiloConnect is free to download, with no in-app purchases.

### Do Screw Flight Calculator or SiloConnect have ads?

Neither Screw Flight Calculator nor SiloConnect shows ads.

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

Screw Flight Calculator ships an update every 17 months, and SiloConnect every 6 weeks. Most recently, Screw Flight Calculator was updated on August 19, 2026 and SiloConnect on September 17, 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.*