# iNC vs Lathe Calculator

iNC and Lathe Calculator are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. iNC sells 2 in-app purchases, starting at $1.99 per month and Lathe Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for iNC against 5.0 for Lathe Calculator. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

iNC ships an update every 6 days, Lathe Calculator every 5 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | iNC | Lathe Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/inc-mill-cnc-g-code-simulator/id6755829129/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/lathe-calculator-cnc-tool/id6765566579/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 5 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 148 MB | 25 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [乐勇 刘](https://appshunter.io/developer/1856258038) | [惟 陈](https://appshunter.io/developer/1584601883) |

## What reviewers say

### iNC

[App page](https://appshunter.io/ios/app/inc-mill-cnc-g-code-simulator/id6755829129)

Edit and simulate NC/G-code with 3D toolpath visualization. Inspect stock removal, view STEP/STL models, and access programming practice tools. Advanced features and AI require a subscription.

**Highlights:** NC/G-code editing with syntax highlighting, 3D stock removal simulation, STEP/STL model viewing and inspection, Toolpath and code comparison, File management and organization, Machining calculators and references

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe Monthly | $1.99 | per month |
| Subscribe Yearly | $19.99 | per year |


### Lathe Calculator

[App page](https://appshunter.io/ios/app/lathe-calculator-cnc-tool/id6765566579)

This tool streamlines CNC turning operations by quickly calculating essential parameters and generating programs. It simplifies complex tasks like thread and taper calculations, tolerance checks, and arc positioning, helping to reduce errors and improve efficiency for machinists and programmers.

**Highlights:** Thread calculation (metric, imperial, unified), Taper calculation, Tolerance and fit analysis, Arc tangency point calculation, Macro programming assistant, Save and reuse parameters, Built-in program library

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $24.99 | one-time |


## Frequently asked questions

### Is iNC free?

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

### Is Lathe Calculator free?

Lathe Calculator is free to download, with in-app purchases available.

### Which has better reviews, iNC or Lathe Calculator?

iNC and Lathe Calculator are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do iNC or Lathe Calculator have ads?

Neither iNC nor Lathe Calculator shows ads.

### Which is updated more often, iNC or Lathe Calculator?

iNC ships an update every 6 days, and Lathe Calculator every 5 days. Most recently, iNC was updated on October 30, 2026 and Lathe Calculator on October 28, 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.*