What are some alternatives?
When comparing Kai Says and Omnipage, you can also consider the following products
Google Assistant - Get things done with Google Assistant
ABBYY FineReader 14 - ABBYY's latest PDF editor software, FineReader 15 you can easily convert files like PDF to Excel, PDF to Word, edit, share, collaborate & more with this PDF editor!
Hound - Your code, always in style. Hound comments on style violations in GitHub pull requests, allowing you and your team to better review and maintain a clean codebase.
Siri Shortcuts - Siri is an intelligent assistant that offers a faster, easier way to get things done on your Apple devices. Even before you ask.
Dictanote - Switch effortlessly between using the keyboard and your voice to type out notes.