# ThreadKing vs Machining Advisor Pro

The clearest difference is review sentiment: ThreadKing at 100% against Machining Advisor Pro's 17%. ThreadKing also leads on rating (4.7 vs 4.0) and ads (none vs shown). Machining Advisor Pro's advantage is ratings volume (162 vs 12). 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.

ThreadKing holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Machining Advisor Pro has 162 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 100% of ThreadKing's written reviews are positive against 17% of Machining Advisor Pro's.

ThreadKing ships an update every 6 days, Machining Advisor Pro every 6 weeks. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | ThreadKing | Machining Advisor Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (12 ratings)](https://appshunter.io/ios/app/threadking/id1073753793/reviews)** | [4.0 (162 ratings)](https://appshunter.io/ios/app/machining-advisor-pro/id1321154225/reviews) |
| Number of ratings | 12 | **162** |
| Positive reviews | **100.0% of reviews** | 17.2% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 7 MB | 61 MB |
| Requires iOS | **8.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Motionics LLC](https://appshunter.io/developer/424498959) | [HARVEY TOOL COMPANY, LLC](https://appshunter.io/developer/1321041519) |

## What reviewers say

### ThreadKing

[App page](https://appshunter.io/ios/app/threadking/id1073753793)

This app serves as a comprehensive reference and calculator for various thread types and dimensions. It provides detailed information on Metric and UN threads, including tap sizes and thread calculations for cutting and forming taps. Users can also find drill size charts and calculate RPM and feed rates for different materials.

**Highlights:** Metric and UN thread reference, Drill/Tap size charts, Pipe thread information, Cutting tap calculator, Forming tap calculator, RPM and feed rate calculator, Thread dimension details

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

**In-app purchases:** none


### Machining Advisor Pro

[App page](https://appshunter.io/ios/app/machining-advisor-pro/id1321154225)

This app provides recommended running parameters for CNC machining, specifically for Helical Solutions and Harvey Tool products. It generates customized speeds and feeds based on your end mill, tool path, material, and machine setup, optimizing metal removal rates and shop productivity.

**Highlights:** CNC speeds and feeds calculator, Optimized for 30,000+ products, Supports 300+ material grades, Intuitive user interface, Customized setup options, Quick search functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ThreadKing free?

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

### Is Machining Advisor Pro free?

Machining Advisor Pro is free to download, with no in-app purchases.

### Which has better reviews, ThreadKing or Machining Advisor Pro?

ThreadKing is rated higher. ThreadKing averages 4.7 out of 5 from 12 ratings, while Machining Advisor Pro averages 4.0 from 162 ratings.

### Do ThreadKing or Machining Advisor Pro have ads?

Machining Advisor Pro shows ads; ThreadKing does not.

### Which is updated more often, ThreadKing or Machining Advisor Pro?

ThreadKing ships an update every 6 days, and Machining Advisor Pro every 6 weeks. Most recently, ThreadKing was updated on October 9, 2026 and Machining Advisor Pro on September 29, 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.*