Room Planner: Home Interior 3D is a designing application that enables users to build and customize interior spaces within a 3D environment. It features a comprehensive library of furniture and decor items, allowing users to visualize and plan their ideal home designs. The app is especially beneficial for homeowners planning renovations and for professionals in the design industry.

Room Planner: Home Interior 3D offers both free and premium versions. The free version includes basic features and a limited selection of design items, while the premium version provides access to a broader library of furniture and advanced customization options. Users can select a subscription plan that best fits their needs to maximize the app's features.

Some features, such as viewing saved designs and using basic tools, can be accessed offline. However, a stable internet connection is recommended to ensure full access to the latest library of design elements and to enable project saving and synchronization across multiple devices.

Yes, the app is designed to serve both amateur decorators and professional designers. It includes advanced tools for accurate measurements, 3D visualization, and detailed customization, making it a useful tool for professionals aiming to create realistic and intricate interior designs for clients.

The app is compatible with a broad range of devices, including iOS and Android smartphones and tablets. It can be downloaded from the App Store or Google Play Store. For an optimal experience, it is recommended to use the app on devices with larger screens, which provide more space to view and edit 3D models.