# Machining Calculators vs DatumLab

The clearest difference is in-app purchases: DatumLab at none against Machining Calculators's 3. Machining Calculators's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Machining Calculators sells 3 in-app purchases, starting at $2.99 per month. DatumLab asks for nothing beyond the download.

## The numbers

| Metric | Machining Calculators | DatumLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 37 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) | [建东 刘](https://appshunter.io/developer/1896489302) |

## What reviewers say

### Machining Calculators

[App page](https://appshunter.io/ios/app/machining-calculators/id6740812774)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $5.99 | per year |
| Lifetime | $12.99 | 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 Machining Calculators free?

Machining Calculators is free to download, with in-app purchases available.

### Is DatumLab free?

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

### Do Machining Calculators or DatumLab have ads?

Neither Machining Calculators 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.*