For all who don’t know about Genius Scan:
The Genius Scan scanner technology includes smart page detection, perspective correction, image post-processing. It allows you to build PDF documents with multiple scans.
App Store: https://itunes.apple.com/in/app/genius-scan-pdf-scanner/id377672876?mt=8
Play Store: https://play.google.com/store/apps/details?id=com.thegrizzlylabs.geniusscan&hl=en
Now the free version doesn’t comes with add to drop box or Google drive option. You need to pay to get these feature. But with this small trick you can get it on the free app.
1) Open the app and take a scan photo. Then click on the Multi Function button on the bottom of the image.
2) Now click on Other Apps
3) Select the app you want to save the document to. In my case i choose Dropbox.
4) You can then choose the folder where you want to save.