Are there any free/light/easy Mac apps for designing interiors and exterior architecture of a house?

I'm not a pro, obviously, but I have a design in my mind for a house, which I want to put it somewhere before I forget! I am thinking of something like a 3D model, that I can design in my Mac. I've used an app years ago (I forgot, it was on Windows) in which you select items and make a full house design with interiors, and then you can play it like a video or roam around inside like a first person shooter!
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2 recommended
  1. Kunal Bhatia
    Kunal Bhatia51Co-founder & Design Lead @SlidesUp · Written
    If you want control over your models, SketchUp is definitely the way to go. There are plenty of resources to get started and a friend recently used this to design an upcoming apartment.
  2. 1
    Live Home 3D

    Design your dream home in 2D and 3D modes.

    Kunal Bhatia
    Kunal Bhatia51Co-founder & Design Lead @SlidesUp · Written
    Just saw this the other day. Impressive what you can do with Live Home 3D! You can even pop on a VR headset and "walk around" your designs.