# 51See vs NVSS Client

The clearest difference is update cadence: 51See at every 3 weeks against NVSS Client's every 3 months. 51See also leads on iOS requirement (8.0 vs 10.0). 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.

51See ships an update every 3 weeks, NVSS Client every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | 51See | NVSS Client |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/nvss-client/id1578610305/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 33 MB | 16 MB |
| Requires iOS | **8.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [大帅 李](https://appshunter.io/developer/873894806) | [代全 袁](https://appshunter.io/developer/1572762077) |

## What reviewers say

### 51See

[App page](https://appshunter.io/ios/app/51see/id873894803)

This app provides a comprehensive IoT platform for smart home and industry monitoring. It includes device hardware, cloud server systems, and client solutions, with options for customized development and source code.

**Highlights:** Smart home and industry monitoring, Device hardware and SDK customization, Cloud server system development, Client solutions, Customizable system development

**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 51See free?

51See is free to download, with no in-app purchases.

### Is NVSS Client free?

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

### Do 51See or NVSS Client have ads?

Neither 51See nor NVSS Client shows ads.

### Which is updated more often, 51See or NVSS Client?

51See ships an update every 3 weeks, and NVSS Client every 3 months. Most recently, 51See was updated on October 24, 2026 and NVSS Client on October 24, 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.*