# NPNorms vs Differential DX Assistant

The clearest difference is in-app purchases: Differential DX Assistant at none against NPNorms's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NPNorms sells 2 in-app purchases, starting at $4.99 per month. Differential DX Assistant asks for nothing beyond the download.

## The numbers

| Metric | NPNorms | Differential DX Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Size | 5 MB | 4 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Thomas Holton](https://appshunter.io/developer/1512529370) | [tracy tippett](https://appshunter.io/developer/6791173438) |

## What reviewers say

### NPNorms

[App page](https://appshunter.io/ios/app/npnorms/id6761732762)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Access | $4.99 | per month |
| Basic Access | $39.99 | per year |


### Differential DX Assistant

[App page](https://appshunter.io/ios/app/differential-dx-assistant/id6791173436)

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

**In-app purchases:** none


## Frequently asked questions

### Is NPNorms free?

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

### Is Differential DX Assistant free?

Differential DX Assistant is free to download, with no in-app purchases.

### Do NPNorms or Differential DX Assistant have ads?

Neither NPNorms nor Differential DX Assistant 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.*