# Walter Machining Calculator vs botek assistant

The clearest difference is update cadence: botek assistant at every 2 months against Walter Machining Calculator's every 19 months. botek assistant also leads on iOS requirement (15 vs 18.0). 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.

Walter Machining Calculator ships an update every 19 months, botek assistant every 2 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Walter Machining Calculator | botek assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (5 ratings)](https://appshunter.io/ios/app/walter-machining-calculator/id423564212/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 62.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 95 MB | 18 MB |
| Requires iOS | 18.0 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Walter-AG](https://appshunter.io/developer/423564215) | [botek Praezisionsbohrtechnik GmbH](https://appshunter.io/developer/1623192421) |

## What reviewers say

### Walter Machining Calculator

[App page](https://appshunter.io/ios/app/walter-machining-calculator/id423564212)

Calculate machining time, power, torque, and cutting force for various operations. Compare existing tools with new ones to project potential savings.

**Highlights:** Calculate machining time, power, and torque, Determine cutting force and metal removal rate, Support for milling, drilling, boring, turning, and grooving, Thread tapping, forming, and milling calculations, Material selection for calculations, Savings calculator for tool comparison

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

**In-app purchases:** none


### botek assistant

[App page](https://appshunter.io/ios/app/botek-assistant/id1623192419)

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

**In-app purchases:** none


## Frequently asked questions

### Is Walter Machining Calculator free?

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

### Is botek assistant free?

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

### Do Walter Machining Calculator or botek assistant have ads?

Neither Walter Machining Calculator nor botek assistant shows ads.

### Which is updated more often, Walter Machining Calculator or botek assistant?

Walter Machining Calculator ships an update every 19 months, and botek assistant every 2 months. Most recently, Walter Machining Calculator was updated on November 1, 2026 and botek assistant on October 25, 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.*