If you actually enter, as did I, 21’ 6”, it converts it to 1’ 9”. It is at this point the app expects you to enter inches only, despite the sample entry showing the standard format x’ y” (with a space in between).
When you start a new project, the app prompts you for the room dimensions.
There’s a featured review for this app (which includes the developer’s response) that attempts to raise the issue I’m having, only it’s not very well written, so hold my coffee.
