Google Stack is a document management app created by Area 120. The app currently works on Android phones and tablets in the US.

What Was Google Stack? Google Stack was a document-scanning and -filing app. It digitally photographed and stored receipts, bills, and other papers as PDFs, organizing them into different categories.

Stack is an experimental app from Google's Area 120. It allows you to easily organize your documents from your Android phone or tablet.

Google has announced it is shutting its Stack: PDF Scanner app. Stack users can export their documents to Drive and use its built-in scanner.

The Stack app is available now in the Google Play store, although please bear in mind that for some reason it’s only available in the US. There’s no indication when, or if, it will be extended ...

Apple's iPhone has a hidden document scanner in its Notes app, and now Android owners have a dedicated app from Google called Stack.