# Open MobileUI vs NAS Guard

The clearest difference is review sentiment: NAS Guard at 100% against Open MobileUI's 0%. NAS Guard also leads on rating (4.9 vs 3.4) and update cadence (every 2 days vs weekly). Open MobileUI's advantage is in-app purchases (none vs 5) and iOS requirement (16.4 vs 26.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. NAS Guard sells 5 one-off in-app purchases. Open MobileUI asks for nothing beyond the download.

NAS Guard holds the better App Store score, 4.9 against 3.4. Both are backed by a comparable volume of ratings — 25 and 9 respectively. Written reviews point the same way: 0% of Open MobileUI's written reviews are positive against 100% of NAS Guard's.

Open MobileUI ships an update weekly, NAS Guard every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Open MobileUI | NAS Guard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (25 ratings)](https://appshunter.io/ios/app/open-mobileui/id6754266176/reviews) | **[4.9 (9 ratings)](https://appshunter.io/ios/app/nas-guard/id6756511802/reviews)** |
| Number of ratings | **25** | 9 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 64 MB | 6 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ronas IT OU](https://appshunter.io/developer/1155581652) | [Hans Renz](https://appshunter.io/developer/861362527) |

## What reviewers say

### Open MobileUI

[App page](https://appshunter.io/ios/app/open-mobileui/id6754266176)

Access your self-hosted AI assistant on mobile with a smooth, modern, and privacy-focused client. Enjoy native performance, smart synchronization, and a mobile-first interface for productivity on the go.

**Highlights:** Native performance, Mobile-first interface, Automatic synchronization, Image uploads and file attachments, System-aware dark mode, Secure credential storage

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

**In-app purchases:** none


### NAS Guard

[App page](https://appshunter.io/ios/app/nas-guard/id6756511802)

Monitor and control your TrueNAS SCALE server remotely from your iPhone. View live system status, storage health, and receive real-time alerts. An optional in-app purchase unlocks advanced control features.

**Highlights:** Live system monitoring dashboard, Storage pool and dataset status, Real-time alert notifications, Remote control of services and tasks, Snapshot creation and deletion, Home and Lock Screen widgets

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Unbegrenzte Server | $0.99 | one-time |
| Control Pack | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $3.99 | one-time |


## Frequently asked questions

### Is Open MobileUI free?

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

### Is NAS Guard free?

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

### Which has better reviews, Open MobileUI or NAS Guard?

NAS Guard is rated higher. Open MobileUI averages 3.4 out of 5 from 25 ratings, while NAS Guard averages 4.9 from 9 ratings.

### Do Open MobileUI or NAS Guard have ads?

Neither Open MobileUI nor NAS Guard shows ads.

### Which is updated more often, Open MobileUI or NAS Guard?

Open MobileUI ships an update weekly, and NAS Guard every 2 days. Most recently, Open MobileUI was updated on October 24, 2026 and NAS Guard on October 24, 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.*