# 数控计算 vs Smart Calculator Pro

The clearest difference is update cadence: 数控计算 at every 2 weeks against Smart Calculator Pro's every 2 months. 数控计算 also leads on price ($3.99 vs $7.99) and iOS requirement (8.0 vs 14.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

数控计算 costs $3.99 and Smart Calculator Pro $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

数控计算 ships an update every 2 weeks, Smart Calculator Pro every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | 数控计算 | Smart Calculator Pro |
| --- | --- | --- |
| Price | **$3.99** | $7.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smart-calculator-pro/id6469614398/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 30.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Paid | Paid |
| Size | 54 MB | 14 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Miyouguo Technology Co., Ltd.](https://appshunter.io/developer/1483409110) | [晖明 甘](https://appshunter.io/developer/1684180474) |

## What reviewers say

### 数控计算

[App page](https://appshunter.io/ios/app/id1483409111)

This app assists CNC lathe programmers and machinists with complex calculations and program generation for various threading, grooving, and taper operations. It offers a comprehensive suite of tools to improve efficiency and accuracy in mechanical processing.

**Highlights:** Macro program generation (threading, grooving), Thread machining programs (metric, unified, pipe), Taper calculations and conversions, Chamfer and corner calculations, Tolerance lookup for shafts and holes, Arc tangent point calculation, Various trigonometric functions

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

**In-app purchases:** none


### Smart Calculator Pro

[App page](https://appshunter.io/ios/app/smart-calculator-pro/id6469614398)

This all-in-one calculator offers basic, scientific, and fraction calculations, along with unit conversion and financial tools. It features an editable input, a widget, and a keyboard extension for convenient use on iPhones and iPads. Track health metrics and convert numbers to words with this comprehensive utility.

**Highlights:** Basic and scientific calculations, Fraction and editable input, Unit and currency converter, BMI, date, and loan calculators, Number to words conversion, Hexadecimal converter, Calculator widget and keyboard

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 数控计算 free?

数控计算 costs $3.99, with no in-app purchases.

### Is Smart Calculator Pro free?

Smart Calculator Pro costs $7.99, with no in-app purchases.

### Do 数控计算 or Smart Calculator Pro have ads?

Neither 数控计算 nor Smart Calculator Pro shows ads.

### Which is updated more often, 数控计算 or Smart Calculator Pro?

数控计算 ships an update every 2 weeks, and Smart Calculator Pro every 2 months. Most recently, 数控计算 was updated on November 3, 2026 and Smart Calculator Pro on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*