# Screw Conveyor Pro vs BlueCentric

The clearest difference is price: BlueCentric at Free against Screw Conveyor Pro's $3.99. BlueCentric also leads on update cadence (every 6 months vs every 41 months) and iOS requirement (14.0 vs 16.1). On ads, in-app purchases and device support there is nothing between them.

BlueCentric is free to download; Screw Conveyor Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Screw Conveyor Pro ships an update every 41 months, BlueCentric every 6 months. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Screw Conveyor Pro | BlueCentric |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 6 months** |
| Monetization | Paid | — |
| Size | 1 MB | 5 MB |
| Requires iOS | 16.1 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Imran Pinjara](https://appshunter.io/developer/1484488781) | [Jericho Systems Pty Ltd](https://appshunter.io/developer/1563284064) |

## What reviewers say

### Screw Conveyor Pro

[App page](https://appshunter.io/ios/app/screw-conveyor-pro/id1487421019)

Calculate screw conveyor capacity, speed, and power requirements with this utility app. It requires specific inputs like screw diameter, RPM, and material properties to provide accurate engineering calculations for professionals in fabrication and conveying equipment manufacturing.

**Highlights:** Calculate material carrying capacity, Calculate conveyor speed, Calculate screw conveyor power requirement, Input screw diameter, Input material specific gravity, Input conveyor length

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

**In-app purchases:** none


### BlueCentric

[App page](https://appshunter.io/ios/app/bluecentric/id1563284062)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Screw Conveyor Pro free?

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

### Is BlueCentric free?

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

### Do Screw Conveyor Pro or BlueCentric have ads?

Neither Screw Conveyor Pro nor BlueCentric shows ads.

### Which is updated more often, Screw Conveyor Pro or BlueCentric?

Screw Conveyor Pro ships an update every 41 months, and BlueCentric every 6 months. Most recently, Screw Conveyor Pro was updated on October 17, 2026 and BlueCentric on October 13, 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.*