# CNC Simulation‑Handbook vs LatheCalcPro

The clearest difference is review sentiment: LatheCalcPro at 100% against CNC Simulation‑Handbook's 0%. LatheCalcPro also leads on in-app purchases (none vs 1) and update cadence (weekly vs every 3 weeks). CNC Simulation‑Handbook's advantage is iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. CNC Simulation‑Handbook sells 1 in-app purchase, starting at $1.99 per 7 days. LatheCalcPro asks for nothing beyond the download.

CNC Simulation‑Handbook ships an update every 3 weeks, LatheCalcPro weekly. The most recent releases landed on October 31, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | CNC Simulation‑Handbook | LatheCalcPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lathecalcpro/id6801366781/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 31 MB | 18 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [燕燕 林](https://appshunter.io/developer/1675436596) | [瑞龙 栗](https://appshunter.io/developer/1882574183) |

## What reviewers say

### CNC Simulation‑Handbook

[App page](https://appshunter.io/ios/app/cnc-simulationhandbook/id6779476155)

This app simulates CNC lathe machining workflows, allowing users to practice G-code programming, operational training, and fault diagnosis. It provides a virtual machine control panel, tool setup, and workpiece measurement features for hands-on learning without physical equipment.

**Highlights:** G-code simulation and machining, Virtual machine control panel, Workholding and tool setup, NC-program validation and tool-path preview, Workpiece measurement and compensation, Fault-injection training

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 数控车床仿真尊贵会员 | $1.99 | per 7 days |


### LatheCalcPro

[App page](https://appshunter.io/ios/app/lathecalcpro/id6801366781)

This app provides essential lathe calculations for machinists, CNC programmers, and manufacturing technicians. It simplifies tasks like thread dimensions, tolerances, cutting speeds, and feed rates, helping users save time and improve accuracy.

**Highlights:** Thread dimensions and parameters, Hole and shaft tolerances, Cutting speed and spindle speed conversion, Taper geometry calculations, Surface roughness estimation, Metric and imperial units, Calculation history and favorites

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

**In-app purchases:** none


## Frequently asked questions

### Is CNC Simulation‑Handbook free?

CNC Simulation‑Handbook is free to download, with in-app purchases available.

### Is LatheCalcPro free?

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

### Do CNC Simulation‑Handbook or LatheCalcPro have ads?

Neither CNC Simulation‑Handbook nor LatheCalcPro shows ads.

### Which is updated more often, CNC Simulation‑Handbook or LatheCalcPro?

CNC Simulation‑Handbook ships an update every 3 weeks, and LatheCalcPro weekly. Most recently, CNC Simulation‑Handbook was updated on October 31, 2026 and LatheCalcPro on November 7, 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.*