The iPhone Notes app does a lot more than keep your thoughts. Here's how to scan documents and texts using Continuity Camera and the "Scan" feature.

If you're ever in a bind and need to sign a digital document, iPhone has a way for you to add your signature.

Sign with Google Drive on Android or iPhone The Google Drive app -- included on all Android phones and can be downloaded onto an iPhone -- includes markup tools that make it easy to sign a document.

Access shared folders on your iPhone or iPad If you already have shared folders on your network you can connect to them in the Files app, which is pre-installed on your iPhone and iPad.