Here's how you can download the Genius Scan - PDF Scanner app free for your iPad, iPhone, iPad mini or iPod Touch.
1. Go to the Genius Scan - PDF Scanner app preview page in iTunes (or tap the link on your iOS device to install the app directly).
2. Click the View in iTunes button.
3. Click the Free button to download the app.
4. Sync your iPad, iPhone, iPod Touch or iPad mini with iTunes to install the app.
Genius Scan lets you use your iPhone as a scanner. You can scan documents and email them in PDF or JPEG format. You can enhance the scan with color or black and white post processing. You can share your scans via Twitter, or print with AirPrint. You can also share documents via WiFi, and all of your documents are processed on your iOS device.