Best Document Scanner App
Transform your smartphone and tablet into a one stop document scanner, copier and converter by means of a reliable scanner app for Android and iOS device.
Considering all the available external add-ons such as Bluetooth keyboard, speaker and more that is compatible with either Android or iOS smartphone and tablet, you can easily make your device office ready. Thanks to tons of productivity apps, your handy phone and tablet has become a versatile device and is not just limited to gaming and communicating purposes. Among the long list of tool and utility app that you can install is a document scanner app which enables your device to be utilized as a pocket file scanner and digital photo copier, making your smartphone or tablet even handier than it already is.
Recommended Free Document Scanner App
Genius Scan (iOS, Android) 
Genius Scan is currently one of the best document scanner app for both iOS and Android devices. It effortlessly scans your paper works wherever, whenever and saves them as either JPEG or PDF format (for multi-page documents) which you can readily share to your computer via WIFI or export it to Dropbox, Evernote, Expensify, Google Drive, OneDrive, WebDAV, FTP and to other compatible applications. You may also print it directly from your device over AirPrint or a Bluetooth enabled printer for that matter. Moreover, Genius Scan technology includes smart page detection, perspective correction and image enhancement that make your captured document more legible and export ready.
My Scans FREE (iOS, Android) 
Another good document scanner and organizer for popular iOS devices like iPhone, iPad and iPod touch, My Scans FREE is also available for Android users. It is very easy to use. Just take a snapshot of your target document such as an invoice slip, copy of a contract, business card, monthly bill or any other paper work using your smartphone or tablet and save it. From there, My Scans FREE will automatically convert the photo into a PDF file which you can either attached to an email or print. Additionally, you can also be assured that you have a duplicate copy of your important document on the go that you can access anytime you need to.
Other Scanner App
QR Code Scanner 
QR code scanner app is also a very useful tools and utility application that you can install on your phone. This app enables your device to scan and decode QR codes as well as barcodes. Some QR code scanner app even lets you create your own QR codes including barcodes that you can share and link to your website, if you have any, which makes a great marketing strategy.
Fingerprint Scanner 
When you think of fingerprint scanner app, probably, the first thing that will pop in your mind is it is a security app. On the contrary, most if not all, fingerprint scanner app available for download has nothing to do with safety at all. It is mostly for fun, pranking, mood detection and other trivial matter. To put it simply, fingerprint scanner app does not convert your smartphone or tablet into a biometric device, it is for entertainment purposes only.