# Thread Calculator vs Logist Ferdera

The clearest difference is ads: Logist Ferdera at none against Thread Calculator's shown. Logist Ferdera also leads on update cadence (fortnightly vs every 18 months) and iOS requirement (12.0 vs 15.0). On price, 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.

Thread Calculator ships an update every 18 months, Logist Ferdera fortnightly. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Thread Calculator | Logist Ferdera |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 25 MB | 49 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [GSR Gustav Stursberg GmbH](https://appshunter.io/developer/1559560292) | [Antonio Oramas](https://appshunter.io/developer/1221011625) |

## 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


### Logist Ferdera

[App page](https://appshunter.io/ios/app/logist-ferdera/id6503112660)

**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 Logist Ferdera free?

Logist Ferdera is free to download, with no in-app purchases.

### Do Thread Calculator or Logist Ferdera have ads?

Thread Calculator shows ads; Logist Ferdera does not.

### Which is updated more often, Thread Calculator or Logist Ferdera?

Thread Calculator ships an update every 18 months, and Logist Ferdera fortnightly. Most recently, Thread Calculator was updated on October 13, 2026 and Logist Ferdera 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.*