Rang Dong Smart is an iPhone application developed by RANG DONG LIGHT SOURCE AND VACUUM FLASK JOINT STOCK COMPANY. It falls under the Utilities & Tools category and offers a range of features to help you connect, control, and monitor your smart devices at home.

With Rang Dong Smart, you can control your devices more intelligently using automation scenes and tap-to-run functionality. This allows for a seamless and convenient experience when managing your smart home. The app also provides precise control in real time, allowing you to schedule timers and countdowns for your devices.

One of the standout features of Rang Dong Smart is the device sharing feature, which enables family members to easily control the devices in your home. This makes it a great option for households with multiple users who want to have control over the smart devices.

The application offers easy connection and quick control, allowing you to manage your devices anytime and anywhere. Whether you're at home or on the go, Rang Dong Smart provides a user-friendly interface for controlling and monitoring your smart home devices.

Please note that the Rang Dong Smart application is free to use, making it accessible to a wide range of users.