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Apollo.io vs Clay: Which Is Better in 2026?

Affiliate disclosure: links to both tools are affiliate links — we may earn a commission at no cost to you. Our comparison is based on editorial research.

Apollo.io and Clay both power outbound, but they sit at different layers. Apollo is an all-in-one: a 230M-contact B2B database plus sequencing and a dialer in one affordable seat. Clay is an orchestration layer that enriches data from 100+ providers and runs AI research agents — it often sits on top of tools like Apollo.

The key difference: Apollo is your database-and-outreach engine in one; Clay is programmable enrichment that waterfalls across many data sources (including Apollo) for higher coverage.
Apollo.ioClay
Our rating 4.5/5 4.6/5
Price from $49/user/mo billed annually ($65 billed monthly) $167/mo (annual billing) — free plan available
Free plan
Free trial
Pricing model Per-user subscription plus usage credits (free plan available; annual billing saves up to 20%) Credit-based subscription with two currencies (Data Credits for enrichment lookups, Actions for workflow steps); monthly or annual billing (save 10%); custom-quoted Enterprise
Best for SMB and startup outbound sales teams consolidating data + outreach tools Waterfall data enrichment across 100+ providers
Standout Sales Intel Data Enrichment
Platforms Web-based (SaaS) with Chrome extension and iOS/Android mobile apps Web-based (any modern browser); Chrome extension available
Apollo.io
4.5

All-in-one B2B sales intelligence and engagement at SMB-friendly prices

WHY PICK IT
  • Exceptional value: 230M+ contact database plus sequences, dialer, and enrichment from $49/user/mo — replaces 3-4 separate tools
  • Genuinely useful free plan with unlimited fair-use email credits, 5 mobile credits, and 2 sequences
  • Strong built-in sequencer with multichannel steps, A/B testing, and conditional logic tied directly to the database
Clay
4.6

AI-powered waterfall enrichment and GTM automation across 100+ data providers

WHY PICK IT
  • Waterfall enrichment queries 100+ providers sequentially and stops charging on failed lookups (since March 2026), so match rates beat any single database
  • Unlimited seats on every plan including Free — no per-user fees as your team grows
  • Claygent AI research agent automates web research (tech stacks, hiring signals, case studies) that would take SDRs hours per account

The verdict

Choose Apollo.io if you want prospecting data, sequences and calling in a single tool at an SMB-friendly price.

Choose Clay if you need maximum data coverage and custom enrichment or AI-research workflows, and you're comfortable with a credit-based, more technical tool.

Bottom line: Teams wanting one affordable all-in-one pick Apollo; data-driven GTM teams building custom enrichment pick Clay — and many serious teams run both.

Read the full reviews: Apollo.io · Clay.