Test every decision.
Ship what wins.
Enterprise-grade experimentation for DTC brands. Go from hypothesis to live test in minutes, with and editors, backed by .


Eight years of behavioral experimentation, condensed into one platform.
Traditional A/B testing is broken. We will fix it.
Start from Apex research, build with AI, or write directly in code.
Tell Apex what to try. AI ships DOM-level variations instantly.
Click a button, link, or form. AI recommends the right goal.
Always-valid sequential significance. Know when to call it.
Every conversion signal attributed to the right variation, automatically.
Edge-delivered script under 5kb. Shopify, Webflow, Next.js, anything.
Hand experiments to Codex or Claude Code. Enterprise-grade by default.