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
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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
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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 September 13, 2026 and June 8, 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
Questions
Is Linux NVR Mobile Viewer free?
Is 51See free?
Do Linux NVR Mobile Viewer or 51See have ads?
Which is updated more often, Linux NVR Mobile Viewer or 51See?
Other comparisons
