---
title: "RA9 - Reviews, Revenue and Downloads in China | Apple App Store"
description: "智能尾箱音效控制，灯光调节，状态显示"
---

# RA9 — China

![RA9 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/66/0c/27/660c275e-52f0-b051-24fd-29c7cc6792b4/AppIcon-0-0-1x_U007emarketing-0-6-0-85-220.png/434x0w.png)

**Developer:** [凯 闫](https://apptail.io/developer/developer-hlwwkc) (China)
**Category:** Utilities
**Rating:** 5.0/5 (1 ratings)
**Price:** Free
**Bundle ID:** ra9.app
**Store:** Apple App Store
**Country:** China
**Version:** 1.0.6 (released 2026-05-25)
**Original Release:** 2025-11-16
**Languages:** Chinese, English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/cn/app/app/id6748519483)
**AppTail Page:** [https://apptail.io/app/ra9-wwZz/china](https://apptail.io/app/ra9-wwZz/china)

## RA9 Description
智能尾箱音效控制，灯光调节，状态显示

## RA9 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/3c/ea/4f/3cea4f26-8ea5-80f9-4ac3-e73cd0b51a1a/a8b7f8ac92504766975c3302dd59ac78.png/1320x2868.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/56/4b/ec/564bec67-1632-4b77-09af-a5a7fdf3f666/9c9500b444f743eab6a446da04f56fcd.png/1320x2868.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/03/0b/f7/030bf797-be5a-ff29-8294-6e0bb558d8a4/933d6b1da49941f39b595eb6f6aac238.png/1320x2868.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/c3/10/9d/c3109d62-1b31-c504-981e-1ee18b1c830d/3a08c5488b884c4b84ada45057cb5752.png/1320x2868.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/70/99/3d/70993d78-6cbc-7ed8-67d8-776eb5baeb9a/98693e3e73cf4c33894255a288ce12ca.png/1320x2868.png)

## RA9 Rating Breakdown in China
- 5 stars: 1 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)





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## RA9 Available In
- [China](https://apptail.io/app/ra9-wwZz/china)
- [Chile](https://apptail.io/app/ra9-wwZz/chile)
- [South Korea](https://apptail.io/app/ra9-wwZz/south-korea)
- [North Macedonia](https://apptail.io/app/ra9-wwZz/north-macedonia)

---

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