This app was mentioned in 2 comments, with an average of 11.50 upvotes
So, we had a similar idea and made our own app: https://play.google.com/store/apps/details?id=net.plentie.app
linkme: Plentie
We are a very small company, just 2 developers, one for iOs and myself for Android, we just launched a few weeks ago to have something to show in Collision Alpha 2016, so the app is not well rounded. But hey, let's see what happens.