This android app was mentioned in
with an average of
Yes, it's not a new idea by any means, just a refinement of the current apps.
[link] Is the best of the bunch that I settle with, but has a few problems that really screw the process up.
[link] Fixes those problems but adds enough of it's own that it's actually a worse option.
Bosch and Leica have versions that are just all around useless.
I'm working on a detailed explanation like the other poster suggested, but I'm already up to 2 pages and need screenshots and video to really explain myself still.
No, the laser and app don't come together, though most of those companies put out those apps because they also sell lasers. But as far as I've found, all lasers work with all apps.
I used Floor Plan Creator to make a floor plan of my home, and you can place objects inside the walls as well. You won't find anything to place that is specifically AV equipment related, but it has generic rectangle shape things you can place with and modify dimensions. It works pretty well, takes a bit of getting used to, and sometimes the object snapping feature can get annoying (you can toggle it).
I was kidding, that link just takes you to the general Visio info/sales page. I just googled "tablet floor plan app" and found this.