# NVR UMViewer vs VS NVR

The clearest difference is update cadence: VS NVR at every 2 days against NVR UMViewer's weekly. NVR UMViewer's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

NVR UMViewer ships an update weekly, VS NVR every 2 days. The most recent releases landed on November 8, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | NVR UMViewer | VS NVR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 43 MB | 49 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DongHyuk Kim](https://appshunter.io/developer/1436315516) | [Virtual Shield Systems LLC.](https://appshunter.io/developer/6780988443) |

## What reviewers say

### NVR UMViewer

[App page](https://appshunter.io/ios/app/nvr-umviewer/id6749358031)

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

**In-app purchases:** none


### VS NVR

[App page](https://appshunter.io/ios/app/vs-nvr/id6780988441)

**In-app purchases:** none


## Frequently asked questions

### Is NVR UMViewer free?

NVR UMViewer is free to download, with no in-app purchases.

### Is VS NVR free?

VS NVR is free to download, with no in-app purchases.

### Do NVR UMViewer or VS NVR have ads?

Neither NVR UMViewer nor VS NVR shows ads.

### Which is updated more often, NVR UMViewer or VS NVR?

NVR UMViewer ships an update weekly, and VS NVR every 2 days. Most recently, NVR UMViewer was updated on November 8, 2026 and VS NVR on November 13, 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.*