TRENDnet Sentinel vs MERLIN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TRENDnet Sentinel
This application allows users to remotely manage TRENDnet surveillance cameras and NVRs. View live video feeds, playback recorded footage, capture screenshots, and share files directly from your mobile device.
- Remote camera management
- Live video viewing
- Playback recorded video
- Screenshot capture
- File sharing
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Managed your TRENDnet surveillance cameras and NVRs with the free TRENDnet Sentinel mobile app. The Sentinel mobile app is specifically designed for use with TRENDnet IP cameras and network video recorders. Easily view and record remote live video from multiple TRENDnet IP cameras. Playback recorded video, take screenshots, and conveniently share files directly through the app.
MERLIN
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MERLIN is the surveillance hub on mobile devices with cloud-optimized features. With the compatibility with multiple devices, you can control the camera, retrieve videos, view device status, and get alerts without using a computer. Users can store, manage, record, and play video remotely with various security and practical features. It's easy to operate without a complicated setup, and all contents are transmitted with industrial-grade transmission. ## Features: 1. Connect to NVR and IPCAM by P2P 2. Live view with fluent streaming (depends on network condition) 3. Playback recordings on NVR 4. Push notification to catch any event 5. Landscape viewing to maximize the image 6. Event list and filter for management
Screenshots
Verdict
The clearest difference is update cadence: MERLIN at every 4 weeks against TRENDnet Sentinel's every 9 months. On price, ads, in-app purchases and device support 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.
TRENDnet Sentinel ships an update every 9 months, MERLIN every 4 weeks. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.
| Parameter | TRENDnet Sentinel | MERLIN |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 9 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 49 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | TRENDnet Inc. | Merlin Cloud Security Corp. |
In-app purchases
TRENDnet Sentinel
No in-app purchases
MERLIN
No in-app purchases
