# Thread Calculator vs Clavier Malien

The clearest difference is ads: Clavier Malien at none against Thread Calculator's shown. Clavier Malien also leads on update cadence (daily vs every 18 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Thread Calculator ships an update every 18 months, Clavier Malien daily. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Thread Calculator | Clavier Malien |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (13 ratings)](https://appshunter.io/ios/app/thread-calculator/id1559560290/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Daily** |
| Monetization | Ad-supported | — |
| Size | 25 MB | 8 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GSR Gustav Stursberg GmbH](https://appshunter.io/developer/1559560292) | [Jamra Patel LLC](https://appshunter.io/developer/1091396597) |

## What reviewers say

### Thread Calculator

[App page](https://appshunter.io/ios/app/thread-calculator/id1559560290)

This app provides a quick and easy way to calculate thread dimensions for various units, including tap hole sizes and bolt specifications. It helps metalworkers find precise measurements for internal and external threads without consulting tables.

**Highlights:** Thread cutting calculator for multiple units, Cold forming calculator, Thread repair calculator, Tap hole and bolt diameter calculation, Saves time compared to tables

**Features:** macOS Compatibility

**In-app purchases:** none


### Clavier Malien

[App page](https://appshunter.io/ios/app/clavier-malien/id6778896755)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thread Calculator free?

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

### Is Clavier Malien free?

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

### Do Thread Calculator or Clavier Malien have ads?

Thread Calculator shows ads; Clavier Malien does not.

### Which is updated more often, Thread Calculator or Clavier Malien?

Thread Calculator ships an update every 18 months, and Clavier Malien daily. Most recently, Thread Calculator was updated on October 13, 2026 and Clavier Malien on October 9, 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.*