# Linux NVR Mobile Viewer vs PSV (Prolynx Smart Viewer)

The clearest difference is update cadence: Linux NVR Mobile Viewer at every 2 months against PSV (Prolynx Smart Viewer)'s every 16 months. PSV (Prolynx Smart Viewer)'s advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Linux NVR Mobile Viewer ships an update every 2 months, PSV (Prolynx Smart Viewer) every 16 months. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Linux NVR Mobile Viewer | PSV (Prolynx Smart Viewer) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/psv-prolynx-smart-viewer/id1126789620/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 16 months |
| Monetization | Free | Free |
| Size | 71 MB | 104 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EMSTONE](https://appshunter.io/developer/561848811) | [Prolynx](https://appshunter.io/developer/1097707930) |

## What reviewers say

### Linux NVR Mobile Viewer

[App page](https://appshunter.io/ios/app/linux-nvr-mobile-viewer/id561848768)

Monitor live camera feeds from your NVR/DVR devices. View multiple cameras simultaneously in various grid layouts and control PTZ functions. Receive event notifications for enhanced security.

**Highlights:** NVR/DVR device management, Live camera monitoring, Multi-camera grid layouts, PTZ control, Event notifications

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

**In-app purchases:** none


### PSV (Prolynx Smart Viewer)

[App page](https://appshunter.io/ios/app/psv-prolynx-smart-viewer/id1126789620)

Access and view live or recorded footage from CCTV and IP security cameras remotely over the internet. This application connects to enterprise-level surveillance systems, allowing users to monitor their cameras via Wi-Fi or cellular networks.

**Highlights:** Remote CCTV and IP camera viewing, Live and recorded video access, Connects to enterprise surveillance systems, Supports Wi-Fi and cellular networks, Mobile monitoring for iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Linux NVR Mobile Viewer free?

Linux NVR Mobile Viewer is free to download, with no in-app purchases.

### Is PSV (Prolynx Smart Viewer) free?

PSV (Prolynx Smart Viewer) is free to download, with no in-app purchases.

### Do Linux NVR Mobile Viewer or PSV (Prolynx Smart Viewer) have ads?

Neither Linux NVR Mobile Viewer nor PSV (Prolynx Smart Viewer) shows ads.

### Which is updated more often, Linux NVR Mobile Viewer or PSV (Prolynx Smart Viewer)?

Linux NVR Mobile Viewer ships an update every 2 months, and PSV (Prolynx Smart Viewer) every 16 months. Most recently, Linux NVR Mobile Viewer was updated on October 1, 2026 and PSV (Prolynx Smart Viewer) on October 9, 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.*