Comparison

T2 Viewer vs CORTEX IQ

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Live monitoring
  • Playback support
  • Bookmark footage
  • PTZ control
Features
Read full description

T2 DVR Viewer Live monitoring support Playback support Bookmark support PTZ support

About

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.

Highlights
  • Live video stream
  • Video record and playback
  • Video remote playback
  • Apple Push Notification service support
  • Snapshots
  • PTZ control
Features
Read full description

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

T2 Viewer1 screens
CORTEX IQ3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
T2 Viewer versus CORTEX IQ: the parameters behind the verdict, then further details
ParameterT2 ViewerCORTEX IQ
PriceFreeFree
Rating3.0 (2 ratings) — better2.8 (80 ratings)
Positive reviews—34.0% of reviews
Number of ratings280 — better
Update frequencyMonthly — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better13.0
Further details — not scored
Size23 MB143 MB
Age rating4+4+
DeveloperJAE HYUK KEUMCCTV Core Inc.

Customer experience

T2 Viewer

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

CORTEX IQ

All ratings64 ratings
Positive40.6%
Neutral6.3%
Negative53.1%
Written reviews47 reviews
Positive34.0%
Neutral8.5%
Negative57.4%

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
Show 11 more
  • 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

None

T2 Viewer

No in-app purchases

None

CORTEX IQ

No in-app purchases

Questions

Is T2 Viewer free?
T2 Viewer is free to download, with no in-app purchases.
Is CORTEX IQ free?
CORTEX IQ is free to download, with no in-app purchases.
Which has better reviews, T2 Viewer or CORTEX IQ?
T2 Viewer is rated higher. T2 Viewer averages 3.0 out of 5 from 2 ratings, while CORTEX IQ averages 2.8 from 80 ratings.
Do T2 Viewer or CORTEX IQ have ads?
Neither T2 Viewer nor CORTEX IQ shows ads.
Which is updated more often, T2 Viewer or CORTEX IQ?
T2 Viewer ships an update monthly, and CORTEX IQ every 7 months. Most recently, T2 Viewer was updated on October 22, 2026 and CORTEX IQ on October 21, 2026.

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