# Lathe Calculator vs DatumLab

The clearest difference is in-app purchases: DatumLab at none against Lathe Calculator's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Lathe Calculator sells 1 one-off in-app purchase. DatumLab asks for nothing beyond the download.

## The numbers

| Metric | Lathe Calculator | DatumLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lathe-calculator-cnc-tool/id6765566579/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [惟 陈](https://appshunter.io/developer/1584601883) | [建东 刘](https://appshunter.io/developer/1896489302) |

## What reviewers say

### 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 |


### DatumLab

[App page](https://appshunter.io/ios/app/datumlab/id6780406607)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lathe Calculator free?

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

### Is DatumLab free?

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

### Do Lathe Calculator or DatumLab have ads?

Neither Lathe Calculator nor DatumLab 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.*