Linux NVR Mobile Viewer vs 51See
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Linux NVR Mobile Viewer
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.
- NVR/DVR device management
- Live camera monitoring
- Multi-camera grid layouts
- PTZ control
- Event notifications
Read full descriptionHide full description
You can monitor live camera images with the mobile viewer. Search and other features will be supported in the next versions. Features: * NVR/DVR device list management * Live camera monitoring * Recorded video monitoring * Event search * Show multiple cameras in 1×1 / 2×2 / 3×3 / 4x4 modes * PTZ Control * Event notification
51See
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.
- Smart home and industry monitoring
- Device hardware and SDK customization
- Cloud server system development
- Client solutions
- Customizable system development
Read full descriptionHide full description
M51C平台是一个可以用应用于智能家居、行业监控的物联平台，它包括设备、云服务器系统、客户端完整解决方案。该客户端是我们为客户提供的一个通用版客户端。客户也可以基于我们的方案定制自己的系统。我们提供的服务包括：1) 设备硬件及SDK定制，包括：摄像机、RFID、智能网关；2) 云服务器系统定制开发；不同平台的定制开发及SDK，甚至包括源代码。
Screenshots
Verdict
The clearest difference is review sentiment: 51See at 100% against Linux NVR Mobile Viewer's 0%. 51See also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, 51See every 3 weeks. The most recent releases landed on October 1, 2026 and October 17, 2026 respectively.
| Parameter | Linux NVR Mobile Viewer | 51See |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 71 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | EMSTONE | 大帅 李 |
Customer experience
Linux NVR Mobile Viewer
51See
In-app purchases
Linux NVR Mobile Viewer
No in-app purchases
51See
No in-app purchases
