# 理业 vs iNC

The clearest difference is in-app purchases: 理业 at none against iNC's 2. 理业 also leads on iOS requirement (11.0 vs 16.0). iNC's advantage is update cadence (every 5 days vs every 12 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. iNC sells 2 in-app purchases, starting at $1.99 per month. 理业 asks for nothing beyond the download.

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

理业 ships an update every 12 months, iNC every 5 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 理业 | iNC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id1474947206/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/inc-mill-cnc-g-code-simulator/id6755829129/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 2 MB | 164 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lishui Inverse Enzyme Technology Co., Ltd.](https://appshunter.io/developer/1474947175) | [乐勇 刘](https://appshunter.io/developer/1856258038) |

## What reviewers say

### 理业

[App page](https://appshunter.io/ios/app/id1474947206)

**In-app purchases:** none


### iNC

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

Edit and simulate CNC G-code with 3D toolpath visualization. Inspect stock removal, view STEP/STL models, and manage files. Advanced features require a subscription.

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

**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 |


## Frequently asked questions

### Is 理业 free?

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

### Is iNC free?

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

### Which has better reviews, 理业 or iNC?

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

### Do 理业 or iNC have ads?

Neither 理业 nor iNC shows ads.

### Which is updated more often, 理业 or iNC?

理业 ships an update every 12 months, and iNC every 5 days. Most recently, 理业 was updated on November 3, 2026 and iNC on November 5, 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.*