Matrix controller vs J
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Matrix controller
Control extended matrices with this application. It supports HDbitT technology for high-definition video and audio distribution up to 1080p@60Hz. Ideal for digital signage, control rooms, and entertainment centers.
- Extended matrix control
- HDbitT technology support
- 1080p@60Hz resolution
- Point-to-point connection
- Up to 120 meters distance
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This APP is used to control the extended matrix. This HDbitT HDMI Extender Matrix includes a transmitter unit(TX) and a receiver unit(RX). It allows for the distribution and switching of high definition video/audio signal by this product and off-the-shelf IGMP switch. It applied advanced HDbitT technology, the resolution supported is up to 1080p@60Hz full HD. It can also used in a point-to-point connection,the distance is up to 120 meters. It is widely applied in digital signage advertisement, control room, command centers, entertainment and exhibition center, safety monitoring system, etc.
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.
- Control routing settings
- Manage multiple devices
- Remember device settings
- Save/Load routing settings
- Configure A/V equipment
- Connect devices remotely
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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
Verdict
The clearest difference is review sentiment: J at 50% against Matrix controller's 0%. J also leads on update cadence (fortnightly vs every 6 weeks). Matrix controller's advantage is iOS requirement (10.0 vs 13.0). 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.
Matrix controller ships an update every 6 weeks, J fortnightly. Both last shipped on June 1, 2026.
| Parameter | Matrix controller | J |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.6 (5 ratings) — better |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | — | 5 — better |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 59 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Lenkeng Technology Co., Ltd. | J-Tech Digital, Inc |
Customer experience
Matrix controller
J
In-app purchases
Matrix controller
No in-app purchases
J
No in-app purchases
