# Hoffmann Machining Calculator vs GeneralCopper catalogo

The clearest difference is update cadence: Hoffmann Machining Calculator at every 6 months against GeneralCopper catalogo's every 17 months. Hoffmann Machining Calculator also leads on iOS requirement (13.4 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hoffmann Machining Calculator ships an update every 6 months, GeneralCopper catalogo every 17 months. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Hoffmann Machining Calculator | GeneralCopper catalogo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 17 months |
| Monetization | Free | — |
| Size | 24 MB | 51 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hoffmann Group](https://appshunter.io/developer/537151540) | [General Copper srl](https://appshunter.io/developer/1681253587) |

## What reviewers say

### Hoffmann Machining Calculator

[App page](https://appshunter.io/ios/app/hoffmann-machining-calculator/id1450938067)

Calculate essential cutting and performance data for turning, drilling, and milling operations. This tool provides quick, offline access to crucial machining parameters, supporting various production methods with clear formulas and a user-friendly interface.

**Highlights:** Calculate cutting data for turning, drilling, milling, TPC milling parameter calculation, Forward and reverse calculations, Access to material database, Clear formulae with pictograms, Offline functionality

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

**In-app purchases:** none


### GeneralCopper catalogo

[App page](https://appshunter.io/ios/app/generalcopper-catalogo/id6447426566)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hoffmann Machining Calculator free?

Hoffmann Machining Calculator is free to download, with no in-app purchases.

### Is GeneralCopper catalogo free?

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

### Do Hoffmann Machining Calculator or GeneralCopper catalogo have ads?

Neither Hoffmann Machining Calculator nor GeneralCopper catalogo shows ads.

### Which is updated more often, Hoffmann Machining Calculator or GeneralCopper catalogo?

Hoffmann Machining Calculator ships an update every 6 months, and GeneralCopper catalogo every 17 months. Most recently, Hoffmann Machining Calculator was updated on October 5, 2026 and GeneralCopper catalogo on October 8, 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.*