# Linux NVR Mobile Viewer vs Watcher VMS

The clearest difference is iOS requirement: Watcher VMS at 10.0 against Linux NVR Mobile Viewer's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 13, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Linux NVR Mobile Viewer | Watcher VMS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 71 MB | 11 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EMSTONE](https://appshunter.io/developer/561848811) | [Watcher Products](https://appshunter.io/developer/1357081904) |

## 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


### Watcher VMS

[App page](https://appshunter.io/ios/app/watcher-vms/id1619101484)

**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 Watcher VMS free?

Watcher VMS is free to download, with no in-app purchases.

### Do Linux NVR Mobile Viewer or Watcher VMS have ads?

Neither Linux NVR Mobile Viewer nor Watcher VMS shows ads.

### Which is updated more often, Linux NVR Mobile Viewer or Watcher VMS?

Linux NVR Mobile Viewer ships an update every 2 months, and Watcher VMS every 2 months. Most recently, Linux NVR Mobile Viewer was updated on September 13, 2026 and Watcher VMS on June 5, 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.*