DX vs LED System
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DX
This utility app facilitates wireless control and data transmission for smart products via Bluetooth. It allows for device scanning, connection, information reading, and data read/write operations. Users can also filter scanned devices by name and signal strength.
- Device scanning
- Device connection
- Device information reading
- Data read and write
- Filter devices by name and RSSI
- Wireless control
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DX-smartDX-smart Bluetooth debugging assistant is an APP specially created by Shenzhen Daxia Longque Technology Co., Ltd. for intelligent wireless control. This APP can be connected with our bluetooth module and transmit data, and can also control our smart products and solutions. Wireless products can be verified extremely fast. function list: 1.Device scanning 2.Device connection 3.Device information reading 4.Data read and write 5.Filter scanned devices by name and RSSI level 6.Preset function - stay tuned
LED System
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这是一个用来管理LED价格牌的APP，用户通过这个应用可以集中管理分布于各地的价格牌。价格牌被分组管理。用户可以查询和设置价格牌的显示数值，也可以查询和设置价格牌的亮度。每个价格牌最多可显示12行价格信息，每行可轮流显示现金价格和信用卡价格。 用户需要有权限才能操作，用户操作权限分为4级： 1. 超级管理员：整个系统的最高管理者，管理超级操作员和一般管理员。 2. 超级操作员：由超级管用员创建，可以查看系统中所有的价格牌信息，但是没有设置权限。 3. 一般管理员：由超级管用员创建，可以增删分组，增删价格牌，增删一般操作员，给一般操作员分配对分组的权限。 4. 一般操作员：由一般管理员创建，具体权限由创建他的一般管理员分配，可以拥有对分组的如下权限：查看分组价格牌、编辑分组价格牌、设置分组价格牌显示的价格、升级价格牌固件。
Screenshots
Verdict
The clearest difference is update cadence: LED System at weekly against DX's every 3 months. DX's advantage is iOS requirement (13.0 vs 15). On price, ads, in-app purchases and device support 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.
DX ships an update every 3 months, LED System weekly. The most recent releases landed on July 8, 2026 and September 15, 2026 respectively.
| Parameter | DX | LED System |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15 |
| Further details — not scored | ||
| Size | 9 MB | 64 MB |
| Age rating | 4+ | 17+ |
| Developer | 官志 周 | 深圳市流明电子有限公司 |
In-app purchases
DX
No in-app purchases
LED System
No in-app purchases
