Apollo.io vs Clay Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated May 2026 8 min read

Apollo.io

0.0 (0 reviews)

Apollo.io is an all-in-one sales intelligence and engagement platform that helps you find, contact, and close your ideal customers using a massive database of verified business contacts.

Starting at Free
Free Trial 14 days
VS

Clay

0.0 (0 reviews)

Clay is an AI-powered sales prospecting and data enrichment platform that helps you automate personalized outreach by combining 75+ data providers and web scraping into a single automated workflow.

Starting at Free
Free Trial 14 days

Quick Comparison

Feature Apollo.io Clay
Website apollo.io clay.com
Pricing Model Freemium Freemium
Starting Price Free Free
FREE Trial ✓ 14 days free trial ✓ 14 days free trial
Free Plan ✓ Has free plan ✓ Has free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment saas mobile saas
Integrations Salesforce HubSpot Slack Gmail Outlook LinkedIn Zapier Marketo Pipedrive Copper HubSpot Salesforce Slack Instantly Smartlead Pipedrive Attio Google Sheets Webhooks Zapier
Target Users solopreneur small-business mid-market enterprise small-business mid-market enterprise
Target Industries
Customer Count 0 0
Founded Year 2015 2017
Headquarters San Francisco, USA New York, USA

Overview

A

Apollo.io

Apollo.io is a comprehensive sales intelligence and engagement platform designed to help you streamline your entire outbound sales process. You can access a database of over 275 million contacts to find your ideal prospects and use built-in engagement tools to reach out to them directly. It eliminates the need for multiple disconnected tools by combining lead sourcing, email sequencing, and task management into a single interface.

You can automate your outreach with personalized email sequences and track every interaction to see what resonates with your audience. The platform also provides AI-powered insights to help you prioritize high-value leads and improve your conversion rates. Whether you are a solo founder or part of a large enterprise sales team, you can use these tools to build a predictable pipeline and hit your revenue targets faster.

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Clay

Clay is a powerful data enrichment and sales automation platform that transforms how you find and engage prospects. Instead of manually jumping between different data providers, you can access over 75 sources in one place to build highly targeted lead lists. You can scrape websites, find verified work emails, and use AI to research specific details about a company or individual, all within a spreadsheet-style interface.

It enables you to automate the most tedious parts of outbound sales by writing personalized opening lines based on a prospect's recent news or LinkedIn profile. You can then sync this enriched data directly to your CRM or email sequencer. It is designed for growth teams and SDRs who want to scale their outreach without sacrificing the personal touch that drives conversions.

Overview

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Apollo.io Features

  • B2B Contact Database Access over 275 million verified contacts and 73 million companies to build highly targeted lead lists for your outreach.
  • AI Writing Assistant Generate personalized cold emails in seconds using AI that adapts to your brand voice and prospect's specific pain points.
  • Automated Sequences Create multi-step outreach campaigns across email, phone, and LinkedIn to stay top-of-mind with your prospects automatically.
  • LinkedIn Extension Find direct phone numbers and verified email addresses while browsing LinkedIn profiles without ever leaving your browser tab.
  • Lead Scoring Use AI-driven insights to rank your leads based on their likelihood to buy so you focus on the best opportunities.
  • Built-in Dialer Make calls directly from the platform with local presence numbers and automatic call logging to keep your CRM updated.
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Clay Features

  • Waterfall Enrichment. Access 75+ data providers in sequence to find verified emails and phone numbers without paying for multiple separate subscriptions.
  • Claygent AI Agent. Deploy an AI web crawler to visit websites and extract specific information like tech stacks, recent news, or job openings.
  • Chrome Extension. Add leads directly from LinkedIn or any company website to your Clay workspace with a single click for immediate enrichment.
  • AI Personalization. Use GPT-4 to analyze prospect data and write unique, relevant icebreakers for your cold emails at scale.
  • Native CRM Sync. Push your enriched leads and researched data points directly into Salesforce, HubSpot, or Pipedrive to keep your pipeline updated.
  • Web Scraping. Turn any website or directory into a structured lead list by mapping data points directly into your workspace columns.

Pricing Comparison

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Apollo.io Pricing

Free
$0
  • 10,000 email credits/month
  • 60 mobile credits/year
  • Basic sequence automation
  • LinkedIn extension
  • Gmail and Outlook integration
C

Clay Pricing

Free
$0
  • 100 credits per month
  • Access to 75+ data providers
  • Unlimited seats
  • Basic data enrichment
  • Clay Chrome extension

Pros & Cons

M

Apollo.io

Pros

  • Massive database with high contact accuracy
  • Excellent browser extension for LinkedIn prospecting
  • Combines data and engagement in one tool
  • Very generous free tier for new users

Cons

  • Occasional bugs in the sequence automation
  • Customer support response times can be slow
  • Learning curve for complex filtering options
A

Clay

Pros

  • Consolidates dozens of expensive data tools into one platform
  • AI capabilities significantly reduce manual research time
  • Highly flexible spreadsheet interface for custom workflows
  • Excellent community support and pre-built templates available

Cons

  • Steep learning curve for non-technical users
  • Credit consumption can be difficult to predict
  • Pricing is high compared to basic lead databases
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