If you are not sure which Crack Tracker you need (basic or professional) please examine the features below. In general the professional version caters for larger companies that need to search and remove illegal downloads for multiple products.
Discover unauthorized downloads of software, games, books etc
Simultaneous use of many warez search engines
Send DMCA takedown notices automatically to remove downloads
Multiple product campaigns with separate keyword lists
Send emails through SMTP server
Different DMCA notice template and email address per product