Google Stack is a personal document management app ... And while scanning paper documents may be annoying when you use an app, at least you won't have to pay for the luxury of digitizing a document.

Barbara Krasnoff is a reviews editor who manages how-tos and various projects. She’s worked as an editor and writer (and occasional sci-fi author) for more years than she cares to admit to.

Stack will automatically identify what store a receipt is from, or the due date of a bill. Below I'll walk you through the ins and outs of using Stack as your go-to scanner. After installing ...

When it was, it was free but available exclusively for Android users. Google Stack used artificial intelligence to scan and store papers as PDFs, organizing them into customizable categories.