1. Memos are equipped with scanners.
IPhone memo has its own scan, so it doesn't need to download other apps. It's free, the border recognition is not very accurate, and it needs to be adjusted manually (4-point adjustment), and it only stores pictures without OCR function.
2、UPDF
It is a comprehensive PDF scanner and reader, which can open files in various formats, such as PDF, Office, Text, HTML, audio and video, etc. UPDF scanning can identify documents with high definition, automatically identify the paper range and automatically adjust the surface. All functions in the App, including PDF tagging, signature and scanning, are free.
3. Scan Almighty King
The biggest highlight is the OCR function supporting 27 languages! Moreover, there are full-page recognition and local recognition, which can't be recognized by local OCR, and cloud recognition! In addition, it provides translation and proofreading functions, which can be said to be foolproof!
4. Office lens
Surprisingly, it can convert pictures into Word (using OCR), and PPT and PDF documents can also be saved to OneNote and OneDrive.
5. Scanning robot
The developer of Scanbot is dooGmbH, and their product in Apple Store is scanner. Compared with conventional scanners, it will always give you unexpected surprises. For example, other applications can only scan files, and it can also scan barcodes and QR codes. For example, other application interfaces remain unchanged. However, in Scanbot, you can choose the theme color in 14. For example, others provide conventional cloud services such as Google Drive, OneDrive and iCloud, but it contains 20 cloud services.