Comparison

MATRIX CONTROL vs J

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

Head to head
About

MATRIX CONTROL

Effortlessly control multiple HDMI sources up to 100 meters away with advanced HDBaseT technology. Manage devices via Ethernet, app, IR remote, RS-232, or the front panel.

Highlights
  • HDBaseT technology
  • 100 Meter extension
  • 4K resolution support
  • Multiple control methods (Ethernet, App, IR, RS-232)
  • Matrix switching for multiple devices
Features
Read full description

With the latest and more affordable HDBaseT technology extend HDMI sources up to 100 Meters at 4096 x 2160. HDMI 4 by 4 or 10 by 10 Matrix Switcher allows for effortless control of up to 4 or 10 devices through Ethernet Control, App Control , IR remote control, RS-232 and the front panel.

About

J

Easily manage and configure compatible J-Tech Digital A/V equipment directly from your mobile device. Control routing settings, save configurations, and connect devices without needing a physical keyboard or mouse.

Highlights
  • Control routing settings
  • Manage multiple devices
  • Remember device settings
  • Save/Load routing settings
  • Configure A/V equipment
  • Connect devices remotely
Features
Read full description

Control your J-Tech Digital A/V products from your mobile device. Our lightweight app provides all the tools you need to manage compatible audiovisual equipment from our wide range of products. With video walls, matrix switches, AV-over-IP, and more - we've got you covered for your home or business, and with this app you can configure and connect your new devices without a physical keyboard or mouse. Features • Control routing settings • Manage multiple devices • Remember device settings even after you close your app • Save/Load commonly-used routing settings Compatible Models include: • JTECH-H264-N2N-R • JTECH-H264-N2N-T • JTECH-4K88-EX2 • JTECH-4KM44A • JTECH-4x4-HDBaseT • JTECH-8X8-EX50M • JTECH-8X8-H20 • JTECH-ENCH4 • JTECH-ENCH4A • JTECH-MX443-UHD • JTECH-MX445-UHD • JTECH-MXT40 • JTECH-MXT40v2 • JTECH-MXT60 • JTECH-NS24 • JTECH-NS48 • JTECH-VW09 • JTECH-VWM04 • JTECH-VWM90 • JTECH-4KMX256A • JTECH-4KMX256-EX100 • JTECH-88B

Screenshots

MATRIX CONTROL3 screens
J4 screens

Verdict

The call

The clearest difference is rating: MATRIX CONTROL at 5.0 against J's 2.6. J's advantage is update cadence (fortnightly vs every 9 months) and ratings volume (5 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

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

MATRIX CONTROL holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: J has 5 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

MATRIX CONTROL ships an update every 9 months, J fortnightly. The most recent releases landed on June 25, 2026 and June 1, 2026 respectively.

Scorecard4 real differences · 6 level
MATRIX CONTROL versus J: the parameters behind the verdict, then further details
ParameterMATRIX CONTROLJ
PriceFreeFree
Rating5.0 (1 ratings) — better2.6 (5 ratings)
Positive reviews—50.0% of reviews
Number of ratings15 — better
Update frequencyEvery 9 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size4 MB59 MB
Age rating4+4+
DeveloperSHAO CHUN KUOJ-Tech Digital, Inc

Customer experience

MATRIX CONTROL

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

J

All ratings5 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

MATRIX CONTROL

No in-app purchases

None

J

No in-app purchases

Questions

Is MATRIX CONTROL free?
MATRIX CONTROL is free to download, with no in-app purchases.
Is J free?
J is free to download, with no in-app purchases.
Which has better reviews, MATRIX CONTROL or J?
MATRIX CONTROL is rated higher. MATRIX CONTROL averages 5.0 out of 5 from 1 ratings, while J averages 2.6 from 5 ratings.
Do MATRIX CONTROL or J have ads?
Neither MATRIX CONTROL nor J shows ads.
Which is updated more often, MATRIX CONTROL or J?
MATRIX CONTROL ships an update every 9 months, and J fortnightly. Most recently, MATRIX CONTROL was updated on June 25, 2026 and J on June 1, 2026.

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