What are some alternatives?
CamScanner - Camscanner turns your phone into a portable scanner.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Amazon Textract - Easily extract text and data from virtually any document using Amazon Textract. Textract goes beyond simple optical character recognition (OCR) to also identify the contents of fields in forms and information stored in tables.
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
ABBYY FineReader - ABBYY is a world-leading OCR and text scanning software company, that provides PDF conversion and recognition solutions.
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.