T2 Viewer vs CORTEX IQ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
T2 Viewer
This application provides live monitoring and playback capabilities for T2 DVR systems. Users can bookmark important footage and control PTZ (Pan-Tilt-Zoom) functions remotely. It's designed for efficient surveillance management.
- Live monitoring
- Playback support
- Bookmark footage
- PTZ control
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T2 DVR Viewer Live monitoring support Playback support Bookmark support PTZ support
CORTEX IQ
This surveillance software enables live video streaming, recording, and remote playback. It supports Apple Push Notification service for alerts and offers features like snapshots and PTZ control.
- Live video stream
- Video record and playback
- Video remote playback
- Apple Push Notification service support
- Snapshots
- PTZ control
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CORTEX IQ is a surveillance software.which support Apple Push Notification service.support live video stream.video record and playback.video remote playback.snapshots and PTZ control.etc.
Screenshots
Verdict
The clearest difference is update cadence: T2 Viewer at monthly against CORTEX IQ's every 7 months. CORTEX IQ's advantage is ratings volume (80 vs 2). On price, rating, ads and in-app purchases 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.
T2 Viewer holds the better App Store score, 3.0 against 2.8. That said, the two scores are not equally well evidenced: CORTEX IQ has 80 ratings behind it against 2, so its average is the more settled of the two.
T2 Viewer ships an update monthly, CORTEX IQ every 7 months. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.
| Parameter | T2 Viewer | CORTEX IQ |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | 2.8 (80 ratings) |
| Positive reviews | — | 34.0% of reviews |
| Number of ratings | 2 | 80 — better |
| Update frequency | Monthly — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 23 MB | 143 MB |
| Age rating | 4+ | 4+ |
| Developer | JAE HYUK KEUM | CCTV Core Inc. |
Customer experience
T2 Viewer
CORTEX IQ
Bugs and requests
T2 Viewer
Not enough reviews yet to summarise bugs or requests.
CORTEX IQ
Reported bugs
16 issues- App crashes immediately on new iPhone
- Cameras rarely come up
- App works only 10% of the time
- App is offline most of the time
- Connection fails after a year without changes
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- Apple Push Notification is not working
- App defaults to midnight instead of notification time on iOS
- App crashes often or drops camera views
- App won't connect when away from home
- Motion activated video clips difficult to access
- Does not work in France
- Camera system sound does not work right
- Names and labels disappear from time to time
- Delay in opening app and seeing cameras
- Cannot move app to new phone, nothing will work or reconnect
- QR code or manual entry for new phone fails
Requested features
4 requests- Easier access to motion-activated video clips
- Improved push notifications
- Live assistance in help section
- Better support for new iPhones/iOS versions
In-app purchases
T2 Viewer
No in-app purchases
CORTEX IQ
No in-app purchases








