# Machining App for Machinists vs Thread Calculator

The clearest difference is rating: Thread Calculator at 4.4 against Machining App for Machinists's 2.1. Machining App for Machinists's advantage is ads (none vs shown) and update cadence (every 3 months vs every 18 months). On price, ratings volume, 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 holds the better App Store score, 4.4 against 2.1. Both are backed by a comparable volume of ratings — 9 and 14 respectively. Written reviews complicate that: 50% of Machining App for Machinists's written reviews are positive against 33% of Thread Calculator's, so the app with the better star average is not the one people write more warmly about.

Machining App for Machinists ships an update every 3 months, Thread Calculator every 18 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Machining App for Machinists | Thread Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (9 ratings)](https://appshunter.io/ios/app/machining-app-for-machinists/id511994451/reviews) | **[4.4 (14 ratings)](https://appshunter.io/ios/app/thread-calculator/id1559560290/reviews)** |
| Number of ratings | 9 | **14** |
| Positive reviews | **50.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 18 months |
| Monetization | **Free** | Ad-supported |
| Size | 77 MB | 25 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Motionics LLC](https://appshunter.io/developer/424498959) | [GSR Gustav Stursberg GmbH](https://appshunter.io/developer/1559560292) |

## What reviewers say

### Machining App for Machinists

[App page](https://appshunter.io/ios/app/machining-app-for-machinists/id511994451)

This app serves as a comprehensive machining calculator and reference tool for drilling, milling, and turning operations. It provides easy-to-use calculations for RPM, feed rates, and machining time, along with interactive charts for tap and drill sizes, and machining parameters.

**Highlights:** Turning (Lathe) calculations, Milling calculations, Drilling calculations, Tap size charts, Drill size charts, Machining parameter charts, Metric and Imperial units

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Machining App for Machinists free?

Machining App for Machinists is free to download, with no in-app purchases.

### Is Thread Calculator free?

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

### Which has better reviews, Machining App for Machinists or Thread Calculator?

Thread Calculator is rated higher. Machining App for Machinists averages 2.1 out of 5 from 9 ratings, while Thread Calculator averages 4.4 from 14 ratings.

### Do Machining App for Machinists or Thread Calculator have ads?

Thread Calculator shows ads; Machining App for Machinists does not.

### Which is updated more often, Machining App for Machinists or Thread Calculator?

Machining App for Machinists ships an update every 3 months, and Thread Calculator every 18 months. Most recently, Machining App for Machinists was updated on October 29, 2026 and Thread Calculator on October 24, 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.*