They solve different problems. An HRIS such as BambooHR, Rippling, or Workday manages core HR operations like employee records, onboarding, PTO, performance cycles, payroll, and compliance. A workforce analytics tool such as ActivTrak, Teramind, or Intelogos focuses on productivity patterns, behavior visibility, and team performance signals. Some overlap exists, but the primary purpose is different. If you need to run HR operations, start with an HRIS. If HR operations are already handled and you need productivity or security visibility, add a workforce analytics tool.