It offers over 11 million reference images for decorations and architecture. Houzz is one of the most popular options among the best home design apps, so it’s a good idea to check it out. Even better, the app is entirely free and it works amazingly well even on cheaper phones. Other than that, it also works as a sort of social media platform for the architects and interior designers among us, where you can get tips and insights. It comes with over one million decoration and architectural design pictures so you can use as reference. Homify is a quite recent app that’s meant for those looking for ideas when it comes to planning and decorating their homes. It’s also worth mentioning that it works entirely offline! Follow this link to download it. Other than that, you can also change the size of some of the objects, if you want.