The types vary depending on the goal of an audit. The main ones include software quality audit, software security audit, usability and accessibility audit, etc.
Software quality audit helps businesses assess the quality and functionality of the software and find alternatives if significant issues are detected.
Software security audit helps you make sure that the software vendors keep your data safe and do their best to prevent malicious attacks.
Usability and accessibility audit helps you evaluate if your team is satisfied with the software, if the software is easy-to-use, and if it poses no challenges for your employees in daily work.