# U vs 数控快算

The clearest difference is price: U at Free against 数控快算's $3.99. U also leads on in-app purchases (none vs 4) and iOS requirement (9.0 vs 15.0). On ads and device support there is nothing between them.

U is free to download; 数控快算 costs $3.99 up front. 数控快算 sells 4 in-app purchases, starting at $0.99 per 7 days. U asks for nothing beyond the download.

## The numbers

| Metric | U | 数控快算 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | — | Freemium |
| Size | 10 MB | 25 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [广州高维网络科技有限公司](https://appshunter.io/developer/1330532341) | [紫红 李](https://appshunter.io/developer/1892230887) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-wms/id1584075447)

**Features:** macOS Compatibility

**In-app purchases:** none


### 数控快算

[App page](https://appshunter.io/ios/app/id6780174482)

This app provides shop-floor calculations and G-code references for CNC lathe operations. It generates coordinates and macro skeletons with a single tap, working entirely offline. Features include cut-point calculations, thread and grooving parameters, and various machining utilities.

**Highlights:** Offline G-code generation, 18 cut-point scenarios, Thread and grooving calculations, Macro programming templates, 15 machining utilities, One-tap copy to machine, Multi-language support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业版 · 周订阅 | $0.99 | per 7 days |
| 专业版 · 月订阅 | $4.99 | per month |
| 专业版 · 年订阅 | $19.99 | per year |
| 专业版 · 永久买断 | $29.99 | one-time |


## Frequently asked questions

### Is U free?

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

### Is 数控快算 free?

数控快算 costs $3.99, and also offers in-app purchases.

### Do U or 数控快算 have ads?

Neither U nor 数控快算 shows ads.

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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.*