ctrl4U

by Eagle Kingdom Technologies(shenzhen) Co., Ltd. · Lifestyle · Free

On the App Store since May 2024 · Data updated 2026-10-27

ctrl4U is made and published by Eagle Kingdom Technologies(shenzhen) Co., Ltd. AppBrain is an independent app data site and isn't affiliated with Eagle Kingdom Technologies(shenzhen) Co., Ltd. The app name, icon, screenshots and description belong to Eagle Kingdom Technologies(shenzhen) Co., Ltd. and are shown as published on the App Store.

AppBrain's verdict

Last updated: July 4, 2026
Size: 1.98 MB

Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on ctrl4U for iOS

We don't have enough comments to show example comments. Please check back later.

Store listing

By Eagle Kingdom Technologies(shenzhen) Co., Ltd., from the App Store

Screenshots by Eagle Kingdom Technologies(shenzhen) Co., Ltd., from the the App Store listing

Description by Eagle Kingdom Technologies(shenzhen) Co., Ltd. Written by the developer, not by AppBrain. Click to read.

This is a smart Bluetooth ring specifically designed for sports scenarios. By pairing with your action camera or smartphone via Bluetooth, it transforms into a wearable wireless remote control. During activities, you can capture photos or start/stop recording with a single tap without touching your device. When connected to a smartphone, it also enables convenient management of music playback, volume adjustment, remote photo capture, file browsing, and even page‑turning for reading—consolidating frequent operations at your fingertips and significantly enhancing control efficiency and immersive experience during sports.
这是一款专为运动场景设计的智能蓝牙戒指。通过蓝牙与你的运动相机或智能手机配对，它就变成了一个可穿戴的无线遥控器。在活动期间，您无需触摸设备，只需轻轻一点即可拍摄照片或开始/停止录制。当连接到智能手机时，它还可以方便地管理音乐播放、音量调节、远程照片拍摄、文件浏览，甚至翻页阅读——将频繁的操作整合到您的指尖，显著提高运动期间的控制效率和沉浸式体验。

Official page on the App Store

Safety and technology

Found in the app by AppBrain

Price: Free
App size: 1.98 MB
Content rating: Everyone

Technologies used by ctrl4U

Releases

Updates seen on the App Store

Version: 1.8
Launched: May 2024

No changelog data

Rankings

App Store top charts

App Store Rankings for ctrl4U

This app is not ranked

About the app and developer

About ctrl4U

ctrl4U is a lifestyle app developed by Eagle Kingdom Technologies(shenzhen) Co., Ltd.

User Ratings

The app has no ratings yet.

App Information

ctrl4U is freely available from the App Store. The app size is 1.98 MB. The latest version available is 1.8. The last update was on July 4, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since May 2024.

Developer information for Eagle Kingdom Technologies(shenzhen) Co., Ltd.

Eagle Kingdom Technologies(shenzhen) Co., Ltd.

Address:

Frequently asked questions about ctrl4U

Is ctrl4U free?

Yes. ctrl4U is free on the App Store.

Is ctrl4U still available?

Yes. ctrl4U is on the App Store, and the last update we saw was on July 4, 2026.

How large is ctrl4U?

ctrl4U is 1.98 MB.

Is ctrl4U suitable for children?

App Store rates the content of ctrl4U as suitable for everyone.

Who made ctrl4U?

ctrl4U was developed by Eagle Kingdom Technologies(shenzhen) Co., Ltd. It is listed in the lifestyle category on the App Store.

Price drops on Google Play Apps other people are watching Today's trending apps Popular Lifestyle Apps Top new apps

AppBrain is an app data site, we track rankings, ratings, installs for all apps and games on Google Play and the App Store. AppBrain doesn't host app files or APKs, all install links go directly to the official store. All trademarks are owned by their respective owners.

More apps