# Milling Calcs vs DatumLab

The clearest difference is in-app purchases: DatumLab at none against Milling Calcs's 2. Milling Calcs's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Milling Calcs sells 2 in-app purchases, starting at $1.99 per month. DatumLab asks for nothing beyond the download.

## The numbers

| Metric | Milling Calcs | DatumLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/milling-calcs-cnc-shop-tools/id433086117/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Paid | — |
| Size | 12 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Verosocial Studio](https://appshunter.io/developer/354566841) | [建东 刘](https://appshunter.io/developer/1896489302) |

## What reviewers say

### Milling Calcs

[App page](https://appshunter.io/ios/app/milling-calcs-cnc-shop-tools/id433086117)

This app provides machinists and CNC operators with quick and reliable cutting speed and feed rate calculations. It helps reduce guesswork by offering practical starting points and allows users to save, reload, and refine setups for efficient shop floor work.

**Highlights:** Fast speeds and feeds calculator, RPM, feed rate, and surface speed calculation, Support for end mills and drills, Material-aware defaults, Save and reload reusable jobs, One-tap share for setup communication

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Milling pro monthly | $1.99 | per month |
| Lifetime Pro Unlock | $14.99 | 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 Milling Calcs free?

Milling Calcs is free to download, with in-app purchases available.

### Is DatumLab free?

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

### Do Milling Calcs or DatumLab have ads?

Neither Milling Calcs 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.*