# SmartViewer Pro vs NVSS Client

The clearest difference is update cadence: SmartViewer Pro at monthly against NVSS Client's every 3 months. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 1.0 for SmartViewer Pro against 1.0 for NVSS Client. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

SmartViewer Pro ships an update monthly, NVSS Client every 3 months. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SmartViewer Pro | NVSS Client |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/smartviewer-pro/id1450136786/reviews) | [1.0 (2 ratings)](https://appshunter.io/ios/app/nvss-client/id1578610305/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 47 MB | 16 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [雪晴 朱](https://appshunter.io/developer/1284531615) | [代全 袁](https://appshunter.io/developer/1572762077) |

## What reviewers say

### SmartViewer Pro

[App page](https://appshunter.io/ios/app/smartviewer-pro/id1450136786)

This professional security monitoring app allows you to view and control networked cameras and recorders. It offers features like real-time preview, PTZ control, facial recognition, and two-way audio communication. Easily add devices via QR code, LAN search, or manual input.

**Highlights:** Real-time camera preview, PTZ control, Facial recognition, Real-time snapshot and recording, Playback recorded footage, Two-way audio communication, Alarm push/receive

**Features:** macOS Compatibility

**In-app purchases:** none


### NVSS Client

[App page](https://appshunter.io/ios/app/nvss-client/id1578610305)

This application allows users to remotely preview real-time images and playback videos from connected devices. It also supports pushing alarm messages and controlling PTZ functions. Connection can be established via wireless networks or mobile data using TCP or P2P modes.

**Highlights:** Real-time image preview, Remote video playback, Alarm message pushing, PTZ control function, TCP/P2P connection modes, Wireless and mobile data connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartViewer Pro free?

SmartViewer Pro is free to download, with no in-app purchases.

### Is NVSS Client free?

NVSS Client is free to download, with no in-app purchases.

### Which has better reviews, SmartViewer Pro or NVSS Client?

SmartViewer Pro and NVSS Client are both rated 1.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do SmartViewer Pro or NVSS Client have ads?

Neither SmartViewer Pro nor NVSS Client shows ads.

### Which is updated more often, SmartViewer Pro or NVSS Client?

SmartViewer Pro ships an update monthly, and NVSS Client every 3 months. Most recently, SmartViewer Pro was updated on October 1, 2026 and NVSS Client on October 6, 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.*