# 车工计算器助手 vs Lathe Calculator

The clearest difference is price: Lathe Calculator at Free against 车工计算器助手's $1.99. Lathe Calculator also leads on update cadence (weekly vs every 2 months). 车工计算器助手's advantage is in-app purchases (none vs 1) and review sentiment (100% vs 80%). On ads and device support there is nothing between them.

Lathe Calculator is free to download; 车工计算器助手 costs $1.99 up front. Lathe Calculator sells 1 one-off in-app purchase. 车工计算器助手 asks for nothing beyond the download.

车工计算器助手 ships an update every 2 months, Lathe Calculator weekly. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 车工计算器助手 | Lathe Calculator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lathe-calculator-cnc-tool/id6765566579/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 9 MB | 24 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [小燕 陈](https://appshunter.io/developer/1462872555) | [惟 陈](https://appshunter.io/developer/1584601883) |

## What reviewers say

### 车工计算器助手

[App page](https://appshunter.io/ios/app/id6761551237)

This app assists machinists with complex calculations for CNC programming, including thread libraries, macro programs, and taper calculations. It also provides tools for geometry, material weight, and G/M code lookups to streamline the machining process.

**Highlights:** Cut point coordinate calculation, Thread library and calculation, Macro program generation, Taper calculation, Tolerance and fit query, Material weight calculation, G/M code lookup

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

**In-app purchases:** none


### 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 | $4.99 | one-time |


## Frequently asked questions

### Is 车工计算器助手 free?

车工计算器助手 costs $1.99, with no in-app purchases.

### Is Lathe Calculator free?

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

### Do 车工计算器助手 or Lathe Calculator have ads?

Neither 车工计算器助手 nor Lathe Calculator shows ads.

### Which is updated more often, 车工计算器助手 or Lathe Calculator?

车工计算器助手 ships an update every 2 months, and Lathe Calculator weekly. Most recently, 车工计算器助手 was updated on October 9, 2026 and Lathe Calculator on October 18, 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.*