# Screw Flight vs JVA IPEC

The clearest difference is price: JVA IPEC at Free against Screw Flight's $2.99. JVA IPEC also leads on update cadence (every 3 months vs every 48 months) and iOS requirement (12.0 vs 16.1). On ads, in-app purchases and device support there is nothing between them.

JVA IPEC is free to download; Screw Flight costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Screw Flight ships an update every 48 months, JVA IPEC every 3 months. The most recent releases landed on August 27, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Screw Flight | JVA IPEC |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/screw-flight/id1489672208/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 1 MB | 13 MB |
| Requires iOS | 16.1 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Imran Pinjara](https://appshunter.io/developer/1484488781) | [Pakton Group Pty Ltd](https://appshunter.io/developer/1220725407) |

## What reviewers say

### Screw Flight

[App page](https://appshunter.io/ios/app/screw-flight/id1489672208)

This app calculates the flat pattern size for cutting blank plates for screw flight development and fabrication. It's useful for those involved in manufacturing screw conveyors, ribbon blenders, and other process equipment.

**Highlights:** Calculate flat pattern size for screw flight, Input outside & inside diameter, pitch, thickness, Select material specific gravity for weight calculation, Output development outside & inside diameter, Includes radial cut element for development, Useful for process equipment fabrication

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

**In-app purchases:** none


### JVA IPEC

[App page](https://appshunter.io/ios/app/jva-ipec/id1532170693)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Screw Flight free?

Screw Flight costs $2.99, with no in-app purchases.

### Is JVA IPEC free?

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

### Do Screw Flight or JVA IPEC have ads?

Neither Screw Flight nor JVA IPEC shows ads.

### Which is updated more often, Screw Flight or JVA IPEC?

Screw Flight ships an update every 48 months, and JVA IPEC every 3 months. Most recently, Screw Flight was updated on August 27, 2026 and JVA IPEC on September 14, 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.*