Docr - Docr is a free app for the iPhone smartphones that lets its users scan all of their documents into sharp images and, in the end, store them as PDF files.
Tesseract - Tesseract is an optical character recognition engine for various operating systems
Scanner Pro - Scanner Pro turns your iPhone into portable scanner in your pocket.
ABBYY FineReader - ABBYY's latest PDF editor software, FineReader 16 you can easily convert files like PDF to Excel, PDF to Word, edit, share, collaborate & more with this PDF editor!
Genius Scan - On The Go.
Google Lens - Discover information about something by taking a photo