# NP Parts & Engineering EHS vs OpenWebUI

The clearest difference is price: NP Parts & Engineering EHS at Free against OpenWebUI's $2.99. OpenWebUI's advantage is update cadence (every 6 days vs every 2 weeks) and chart position (#138 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

NP Parts & Engineering EHS is free to download; OpenWebUI costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NP Parts & Engineering EHS ships an update every 2 weeks, OpenWebUI every 6 days. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | NP Parts & Engineering EHS | OpenWebUI |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[4.0 (3 ratings)](https://appshunter.io/ios/app/openwebui-mobile/id6783872393/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | — | Paid |
| Best chart rank | — | **#138** |
| Size | 15 MB | 16 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [NP Parts & Engineering](https://appshunter.io/developer/1885617561) | [Joao Victor Zao](https://appshunter.io/developer/6783872395) |

## What reviewers say

### NP Parts & Engineering EHS

[App page](https://appshunter.io/ios/app/np-parts-and-engineering-ehs/id6760668561)

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

**In-app purchases:** none


### OpenWebUI

[App page](https://appshunter.io/ios/app/openwebui-mobile/id6783872393)

**Currently charting:** #138 Top Paid · Utilities (US App Store)

This client app connects to your personal Open WebUI server for AI model interaction. Enjoy real-time chat, image generation, and voice commands, all while keeping your data private on your own server. Customize themes and manage chats with various actions.

**Highlights:** Real-time AI chat responses, Multiple AI model support, Image generation, Voice mode for interaction, Notes and knowledge base (RAG), Chat management and export, Customizable themes

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

**In-app purchases:** none


## Frequently asked questions

### Is NP Parts & Engineering EHS free?

NP Parts & Engineering EHS is free to download, with no in-app purchases.

### Is OpenWebUI free?

OpenWebUI costs $2.99, with no in-app purchases.

### Do NP Parts & Engineering EHS or OpenWebUI have ads?

Neither NP Parts & Engineering EHS nor OpenWebUI shows ads.

### Which is updated more often, NP Parts & Engineering EHS or OpenWebUI?

NP Parts & Engineering EHS ships an update every 2 weeks, and OpenWebUI every 6 days. Most recently, NP Parts & Engineering EHS was updated on October 1, 2026 and OpenWebUI on October 3, 2026.

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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.*