# Thread Calculator vs CNC Path

The clearest difference is rating: CNC Path at 5.0 against Thread Calculator's 4.4. CNC Path also leads on ads (none vs shown) and update cadence (every 4 days vs every 18 months). Thread Calculator's advantage is in-app purchases (none vs 2) and ratings volume (14 vs 2). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CNC Path sells 2 in-app purchases, starting at $0.99 per month. Thread Calculator asks for nothing beyond the download.

CNC Path holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Thread Calculator has 14 ratings behind it against 2, so its average is the more settled of the two.

Thread Calculator ships an update every 18 months, CNC Path every 4 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Thread Calculator | CNC Path |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (14 ratings)](https://appshunter.io/ios/app/thread-calculator/id1559560290/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cnc-path-g-code-simulator/id6794183153/reviews)** |
| Number of ratings | **14** | 2 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Every 4 days** |
| Monetization | Ad-supported | **Free** |
| Size | 25 MB | 7 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GSR Gustav Stursberg GmbH](https://appshunter.io/developer/1559560292) | [宇 张](https://appshunter.io/developer/6793988910) |

## 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


### CNC Path

[App page](https://appshunter.io/ios/app/cnc-path-g-code-simulator/id6794183153)

This app serves as a mobile workspace for managing, editing, and visualizing CNC programs. It offers features like a local library for programs, a mobile-friendly editor, and on-device OCR for importing from images. Users can also simulate toolpaths and look up CNC instructions.

**Highlights:** Local Program Library, Mobile-friendly editor, OCR program import, Toolpath simulation, CNC instruction lookup, Syntax checking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $0.99 | per month |
| 专业版永久解锁 | $7.99 | one-time |


## Frequently asked questions

### Is Thread Calculator free?

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

### Is CNC Path free?

CNC Path is free to download, with in-app purchases available.

### Which has better reviews, Thread Calculator or CNC Path?

CNC Path is rated higher. Thread Calculator averages 4.4 out of 5 from 14 ratings, while CNC Path averages 5.0 from 2 ratings.

### Do Thread Calculator or CNC Path have ads?

Thread Calculator shows ads; CNC Path does not.

### Which is updated more often, Thread Calculator or CNC Path?

Thread Calculator ships an update every 18 months, and CNC Path every 4 days. Most recently, Thread Calculator was updated on October 24, 2026 and CNC Path on October 10, 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.*