Integral Ad Science is described as '(IAS) is the global market leader in digital ad verification, offering technologies that drive high-quality advertising media'. There are more than 10 alternatives to Integral Ad Science for SaaS, Online / Web-based, Kubernetes, Windows and Linux. The best alternative is DataDome. It's not free, so if you're looking for a free alternative, you could try Prophaze Cloud WAF or Gator.io. Other great apps like Integral Ad Science are Radware Bot Manager (Paid), DoubleVerify (Paid), Adscore (Paid) and Escalated (Paid).