The easiest way to choose a keylogger. For novice users.

OS Support this group reflect the number and quality of the operation systems supported by the products.

Security this group shows how hidden the product is and what self-protection mechanisms it has.

Monitoring this group analyzes what monitoring functions the products has, such as keystroke, clipboard, file-activity, etc monitoring.

Online Monitoring the group that reflects the availability of the functions to monitor users’ online activity, such as URLs visited, 2-side chat conversations interception and emails sent/received.

Reports the group that basically analyzes the convenience of the intercepted information reading, including not only the ways to filter and show it, but also to deliver it remotely.

Other other functions that cannot be part of any of the other groups listed, though a still very important such as parental control functions, languages, reactions to specific keywords, etc.