Guard Viewer vs Optina
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Guard Viewer
Access and manage your surveillance products remotely. View live or recorded video from network cameras and NVRs, receive alarms, and control cloud devices directly from your mobile phone.
- Remote surveillance access
- Live video streaming
- Recorded video playback
- Alarm notifications
- Cloud device management
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Guard Viewer is a mobile surveillance client app. With this app you can access surveillance products(Network Cameras,Network Speed Domes,NVRs) through network and view live or recorded video, receive alarms and manage cloud devices using your mobile phone.
Optina
This software enables remote video viewing over Wi-Fi and GPRS. It features P2P network penetration, IP and domain direct connection, and supports multi-channel switching with recording capabilities. Users can control PTZ functions like zoom and focus.
- Remote video viewing over Wi-Fi and GPRS
- P2P network penetration
- IP and domain direct connection
- Multi-channel switching and recording
- PTZ control (zoom, focus, iris)
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1, the software allows the user to carry over WIFI and GPRS video viewing; 2, the software supports P2P penetrate the network function, two-dimensional code scanning capabilities; 3, the software supports IP and domain direct connection feature. 4, the software supports single or four player, multi-channel switching, screenshots, videos; 5, the software supports ptz up and down, left and right, focus, zoom and iris control and other functions;
Screenshots
Verdict
The clearest difference is rating: Optina at 5.0 against Guard Viewer's 2.8. Guard Viewer's advantage is update cadence (every 4 weeks vs every 6 months) and ratings volume (261 vs 1). 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.
Optina holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: Guard Viewer has 261 ratings behind it against 1, so its average is the more settled of the two.
Guard Viewer ships an update every 4 weeks, Optina every 6 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.
| Parameter | Guard Viewer | Optina |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (261 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 24.4% of reviews | — |
| Number of ratings | 261 — better | 1 |
| Update frequency | Every 4 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 9.0 |
| Further details — not scored | ||
| Size | 102 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | KeyLife International Technology Limited | Shanze |
Customer experience
Guard Viewer
Optina
Bugs and requests
Guard Viewer
Reported bugs
4 issues- Login issues after recent update
- Inability to delete user accounts
- Time sync problems between app and NVR
- Inconsistent camera detection
Requested features
4 requests- Add support for Apple TV
- Improve notification system
- Introduce bulk management of cameras
- Provide more customization options
Optina
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Guard Viewer
No in-app purchases
Optina
No in-app purchases
