ApexSQL Audit is described as 'powerful SQL Server auditing and compliance solution which enables users to audit access, changes, and security events on SQL Server databases and objects' and is an app in the Security & Privacy category. There are four alternatives to ApexSQL Audit for Windows, Linux, Online / Web-based, Self-Hosted solutions and Mac. The best alternative is NetWrix Auditor. It's not free, so if you're looking for a free alternative, you could try LepideAuditor or Acra.
Configuration Auditing of IT Infrastructure Netwrix disruptively changes the way configuration auditing is done, exclusively focuses on this #1 rising security technology and offers the most simple, efficient and affordable solution.