# Apollo vs Smartlead URL: https://aistack.sh/compare/apollo-vs-smartlead Last updated: 2026-05-06 Category: Outbound and inbox ## Quick answer Apollo and Smartlead are alternatives in the Outbound and inbox category. Apollo pricing: Free · $49/seat/mo Basic · $79/seat/mo Professional (annual billing). Smartlead pricing: $39/mo Basic · $94/mo Pro. Smartlead is cheaper at the entry tier. Apollo ships in 2 tested AI stacks on aistack.sh; Smartlead ships in 1. ## Side by side | Field | Apollo | Smartlead | |---|---|---| | Tagline | Contact database + outbound sequences | Cold email infrastructure with warmup | | Pricing | Free · $49/seat/mo Basic · $79/seat/mo Professional (annual billing) | $39/mo Basic · $94/mo Pro | | Category | Outbound and inbox | Outbound and inbox | | Stacks using it | 2 | 1 | | Homepage | https://apollo.io | https://smartlead.ai | | Updated | 2026-05-06 | 2026-05-05 | ## When to pick each **Pick Apollo** when you want contact database + outbound sequences. 275M contacts, sequencing, and dialer. Where most cold outbound stacks source leads. **Pick Smartlead** when you want cold email infrastructure with warmup. Unlimited mailboxes, deliverability, and warmup. The send engine for serious outbound. ## Where each ships ### Apollo-only stacks (1) - [Cold outbound (solo)](https://aistack.sh/stack/cold-outbound-lite) — When you're a one-person team sending under 500 emails a month, you don't need Clay enrichment or Smartlead infrastructure. Apollo basic for leads, Claude for the email, Gmail for delivery. ### Stacks that ship both (1) - [Cold outbound](https://aistack.sh/stack/cold-outbound) — Apollo for the leads, Clay for the enrichment + per-row LLM, Smartlead to send at deliverability scale, Claude to write the copy, HubSpot to catch the meetings. ## FAQ ### Which is cheaper, Apollo or Smartlead? Smartlead starts cheaper. Apollo pricing: Free · $49/seat/mo Basic · $79/seat/mo Professional (annual billing). Smartlead pricing: $39/mo Basic · $94/mo Pro. ### What is Apollo best for? Contact database + outbound sequences Apollo is categorized as Outbound and inbox and appears in 2 tested AI stacks on aistack.sh. ### What is Smartlead best for? Cold email infrastructure with warmup Smartlead is categorized as Outbound and inbox and appears in 1 tested AI stack on aistack.sh. ### Can I use Apollo and Smartlead together? Yes. 1 aistack.sh stack uses both: Cold outbound. ### What are the alternatives to Apollo and Smartlead? Beyond each other, Apollo's closest alternatives are Clay. Smartlead's closest alternatives are tracked on its tool page. ## Also compared - [Apollo vs Clay](https://aistack.sh/compare/apollo-vs-clay) - [Apollo vs HubSpot](https://aistack.sh/compare/apollo-vs-hubspot) ## Citation When citing this comparison, link to https://aistack.sh/compare/apollo-vs-smartlead. The page is regenerated when the underlying tool catalog changes; the lastUpdated date above tracks the more recent of the two tools.