# NMR Calculator 2 vs Extrusion Guide

The clearest difference is iOS requirement: Extrusion Guide at 12.0 against NMR Calculator 2's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | NMR Calculator 2 | Extrusion Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | — |
| Size | 2 MB | 6 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jae-Seung Lee](https://appshunter.io/developer/1146296876) | [A. Routsis Associates, Inc.](https://appshunter.io/developer/1392469925) |

## What reviewers say

### NMR Calculator 2

[App page](https://appshunter.io/ios/app/nmr-calculator-2/id6466729022)

**Features:** macOS Compatibility

**In-app purchases:** none


### Extrusion Guide

[App page](https://appshunter.io/ios/app/extrusion-guide/id6744205048)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NMR Calculator 2 free?

NMR Calculator 2 is free to download, with no in-app purchases.

### Is Extrusion Guide free?

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

### Do NMR Calculator 2 or Extrusion Guide have ads?

Neither NMR Calculator 2 nor Extrusion Guide 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.*