# ShopCalc vs DatumLab

The clearest difference is in-app purchases: DatumLab at none against ShopCalc's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ShopCalc sells 4 in-app purchases, starting at $4.99 per month. DatumLab asks for nothing beyond the download.

## The numbers

| Metric | ShopCalc | DatumLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/shopcalc-machinist-calculator/id6762560427/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Double Vision USA LLC](https://appshunter.io/developer/1894678139) | [建东 刘](https://appshunter.io/developer/1896489302) |

## What reviewers say

### ShopCalc

[App page](https://appshunter.io/ios/app/shopcalc-machinist-calculator/id6762560427)

This app provides essential calculations for machinists, including speeds and feeds, tap drill sizes, and G-code generation. It offers a comprehensive set of tools for CNC operators and manual machinists, all accessible offline without ads or account creation.

**Highlights:** Speeds & Feeds calculations, Tap Drill chart and calculations, Threading calculations, G-Code Generators, Bolt Circle Generator, Metal Weight calculations, Tool Library

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShopCalc Pro Monthly | $4.99 | per month |
| ShopCalc Pro Yearly | $19.99 | per year |
| ShopCalc Pro | $49.99 | one-time |
| Machine Shop Bundle | $119.99 | 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 ShopCalc free?

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

### Is DatumLab free?

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

### Do ShopCalc or DatumLab have ads?

Neither ShopCalc 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.*