# Screw Conveyor Pro vs Pump Power Calculator

The clearest difference is in-app purchases: Screw Conveyor Pro at none against Pump Power Calculator's 1. Pump Power Calculator's advantage is update cadence (every 7 months vs every 41 months) and price ($2.99 vs $3.99). On ads and device support there is nothing between them.

Screw Conveyor Pro costs $3.99 and Pump Power Calculator $2.99 up front. Pump Power Calculator sells 1 one-off in-app purchase. Screw Conveyor Pro asks for nothing beyond the download.

Screw Conveyor Pro ships an update every 41 months, Pump Power Calculator every 7 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Screw Conveyor Pro | Pump Power Calculator |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 7 months** |
| Monetization | Paid | — |
| Size | 1 MB | 37 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

### 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


### Pump Power Calculator

[App page](https://appshunter.io/ios/app/pump-power-calculator/id1671140802)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Screw Conveyor Pro free?

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

### Is Pump Power Calculator free?

Pump Power Calculator costs $2.99, and also offers in-app purchases.

### Do Screw Conveyor Pro or Pump Power Calculator have ads?

Neither Screw Conveyor Pro nor Pump Power Calculator shows ads.

### Which is updated more often, Screw Conveyor Pro or Pump Power Calculator?

Screw Conveyor Pro ships an update every 41 months, and Pump Power Calculator every 7 months. Most recently, Screw Conveyor Pro was updated on November 3, 2026 and Pump Power Calculator on November 7, 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.*