Apollo vs Clay vs Instantly vs Lemlist: Stack Audit for B2B SaaS Cold Outreach — When to Use Each, When to Switch, and What It Actually Costs (2026)
Apollo, Clay, Instantly, and Lemlist are not competing products — they own different layers of the same outbound stack. This audit maps which tool does which job, what a 3-person team actually pays, and which combination fits your stage.
