# Linux NVR Mobile Viewer vs WiFi Sync Viewer

The clearest difference is update cadence: Linux NVR Mobile Viewer at every 2 months against WiFi Sync Viewer's every 4 months. WiFi Sync Viewer's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and device support 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, WiFi Sync Viewer every 4 months. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Linux NVR Mobile Viewer | WiFi Sync Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 71 MB | 32 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) | [株式会社テクノマセマティカル](https://appshunter.io/developer/1144335251) |

## 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


### WiFi Sync Viewer

[App page](https://appshunter.io/ios/app/wifi-sync-viewer/id1148797857)

**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 WiFi Sync Viewer free?

WiFi Sync Viewer is free to download, with no in-app purchases.

### Do Linux NVR Mobile Viewer or WiFi Sync Viewer have ads?

Neither Linux NVR Mobile Viewer nor WiFi Sync Viewer shows ads.

### Which is updated more often, Linux NVR Mobile Viewer or WiFi Sync Viewer?

Linux NVR Mobile Viewer ships an update every 2 months, and WiFi Sync Viewer every 4 months. Most recently, Linux NVR Mobile Viewer was updated on October 1, 2026 and WiFi Sync Viewer on October 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.*