I vs DOWN噹
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
I
Control smart lights and play music via Bluetooth. Customize light colors, modes, speed, and brightness to sync with your music. Offers multiple lighting effects like gradient and stroboscopic modes.
- Bluetooth music playback
- Customizable light colors
- Music-synced lighting
- Multiple lighting modes
- Adjustable speed and brightness
- Multi-module synchronization
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This product can be connected to Bluetooth through a mobile phone to realize the control of lights and Bluetooth music playback through the mobile phone. Put. The main colors of the light are red, orange, yellow, green, cyan, blue, and purple. The light can follow the melody of Bluetooth music, and one module can drag multiple modules to synchronize Change the color mode of the light. The main modes of lighting are; gradient mode, stroboscopic mode, multi-color stroboscopic, multi-color gradation, single-color stroboscopic, and single-color gradation. Adjust the speed of the light change and the change of the light brightness, you can choose the right light Degrees and the speed of the gradual change.
DOWN噹
Control your vehicle's air suspension system directly from your smartphone. Monitor air spring and tank pressure in real-time. Features a simplified interface for easy operation and supports multiple languages.
- Remote suspension control
- Real-time air pressure monitoring
- Independent display of four air springs
- Air tank pressure display
- Simplified user interface
- Multi-language support
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电控空气悬挂系统遥控器，适用于德平国瀚公司“DOWN噹”电控空气悬挂系统。 凡安装了带蓝牙功能的“DOWN噹”系统的车辆均可使用本APP，直接在手机上控制车辆悬挂系统的升降，并通过传感器获知悬挂系统的各项状态参数。 优点： 1、可独立显示四个空气弹簧的气压，让驾驶者随时了解车辆悬架的状态。 2、可显示储气罐内的气压。 3、APP界面经过不断简化，已十分简易而方便，任何人都可以轻松上手。 4、可以选择6种语言来操控：汉语，汉语繁体，英语，日语，德语，泰语。 5、“DOWN噹”系统的气压监控的刷新率很高，在手机上可实时显示，不会因延时造成误操作。
Screenshots
Verdict
The clearest difference is rating: DOWN噹 at 5.0 against I's 2.4. I's advantage is update cadence (monthly vs every 7 months). On price, review sentiment, ratings volume and ads 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.
DOWN噹 holds the better App Store score, 5.0 against 2.4. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.
I ships an update monthly, DOWN噹 every 7 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.
| Parameter | I | DOWN噹 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (7 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 7 — better | 4 |
| Update frequency | Monthly — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.0 | 10.0 |
| Further details — not scored | ||
| Size | 20 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | 秀平 王 | Shenzhen DEPCON Auto Electronic Technology Co.,Ltd. |
Customer experience
I
DOWN噹
In-app purchases
I
No in-app purchases
DOWN噹
No in-app purchases
