House Plan Design is a free app developed by Designsforhome that offers a vast collection of home design ideas to inspire users to create their dream home. The app includes various categories such as house plan sketch, 2-bedroom house plan, 4-bedroom house plan, 5-bedroom house plan, modern architecture, for small homes, 3D 2 bed home, 3D 3 bed home, floor plan app, and home plans.

One of the best things about this app is that it works offline, so you don't need an internet connection to access the content. Users can easily save and download their favorite designs and create a separate list for them. The app also allows users to share their favorite designs via other applications. The user interface is simple and clean, making it easy to navigate through the app.

It's important to note that the content in this app is not affiliated with or endorsed by any company. The images in the application are collected from around the web, and if there is any breach of copyright, the developers will remove them as soon as possible. Overall, House Plan Design is a useful app for those looking for inspiration for their home design projects, and it's completely free to download.