CamScanner (License) – 1.8

Once purchased, the license would allow you to remove all ads within CamScanner. Installed on over 400 million devices in over 200 countries and regions around the world. CamScanner, 50 Best Apps, 2013 Edition – TIME. Top Developer – Google Play Store. "The application employs its own image cropping and enhancing algorithm that leads to clearer images. " – Makeuseof. Com.