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Apollo.io

Sales automation platform with AI-assisted email writing to streamline outreach and lead engagement for sales teams.

$49Starting price
8.8MMonthly visits
61Popularity
Apollo.io featured image

About Apollo.io

Apollo.io is a sales automation platform designed to help sales and marketing teams find, engage, and convert potential customers. The platform provides a large, accurate B2B lead database that enables users to identify and target prospects efficiently. Apollo.ai includes an AI-assisted email writing feature that simplifies composing and sending personalized emails at scale. The tool also offers predictive analytics to prioritize leads and improve conversion rates. Sales teams use Apollo.io to automate outreach workflows, reducing manual effort while maintaining high engagement. Marketing teams leverage the platform to streamline lead nurturing and improve campaign effectiveness. The platform supports email sequence automation, allowing users to schedule and track follow-ups seamlessly. Apollo.io is suitable for both sales and marketing professionals looking to enhance productivity and drive revenue growth through data-driven outreach strategies.

Apollo.io

San Francisco, United States · Founded 2015

Founded
2015
Headquarters
San Francisco, United States

Key features

  • AI-assisted email writing for faster composition
  • Predictive analytics for lead prioritization
  • Large, accurate B2B lead database
  • Email sequence automation
  • Sales outreach automation
  • Lead engagement tracking
  • B2B prospect identification
  • Personalized email campaigns

Use cases

  • Send personalized emails to potential customers at scale
  • Automate sales and marketing outreach workflows
  • Write and schedule follow-up emails faster with AI assistance

Pros

  • Provides one of the largest B2B contact and company databases with verified emails and phone numbers for accurate prospecting
  • Offers AI-powered tools for outbound prospecting, inbound lead qualification, and deal execution to streamline sales workflows
  • Includes workflow automation and multichannel campaign capabilities to scale outreach efforts efficiently
  • Features real-time data enrichment and anonymous visitor identification to improve targeting and engagement
  • Supports seamless integration with CRM systems and other sales tools for unified data management

Cons

  • May require time to configure and optimize workflows for maximum effectiveness
  • Dependent on data accuracy and completeness, which can vary by region or industry
  • Some advanced features may require a learning curve for new users

Frequently asked questions about Apollo.io

What is Apollo.io and what does it do?

Apollo.io is an AI-powered sales platform designed to help sales and marketing teams generate revenue through outbound prospecting, inbound lead management, data enrichment, and deal execution. It combines a large B2B database with AI-driven automation to streamline outreach and improve conversion rates.

Who should use Apollo.io?

The platform is tailored for sales leaders, account executives, sales development representatives, revenue operations teams, marketers, and founders seeking to enhance productivity and drive revenue growth through data-driven outreach and automation.

How does Apollo.io help with outbound prospecting?

Apollo.io accelerates outbound prospecting by providing accurate B2B lead data, AI-assisted email writing, multichannel campaign automation, and prioritized task lists to maximize selling efficiency and book more meetings faster.

Can Apollo.io manage inbound leads effectively?

Yes, Apollo.io qualifies and acts on inbound leads in seconds through anonymous visitor identification, real-time form enrichment, instant routing with built-in calendar and scheduler, and automated nurture sequences to prevent leads from going cold.

What integrations does Apollo.io support?

Apollo.io offers integrations with CRM systems, workflow automation tools, and a Chrome extension, enabling seamless data synchronization and enhanced functionality across the sales and marketing tech stack.

How does Apollo.io ensure data accuracy?

Apollo.io maintains a large network of over 240 million contacts and 30 million companies, providing verified emails and phone numbers, and continuously cleansing and updating records to ensure always-fresh and accurate data for targeting.

Apollo.io traffic & engagement

apollo.io · third-party estimates from Similarweb

Data as of Sep 2026Full AI website ranking →
Monthly visits · Sep 20268.8M-3% MoM12-month high 9.1M (Jul 2026)
Rank among AI websites#96▼ 3 vs last monthof 8,652 tools on aitoolnavio™
Rank in Business & Marketing#14of 1,423 tools in this category
Top marketUnited States32.2%Top 5 countries bring 68% of visits
Average visit7m 4sLonger than 95% of AI sites
Pages per visit9.58More than 98% of AI sites
Bounce rate38%Lower than 56% of AI sites
Similarweb global rank#3,893#2,912 in United States

Traffic trend

Last 4 months · grows by one month every month

  • Jun 20268.8M
  • Jul 20269.1M+4%
  • Aug 20269M−1.2%
  • Sep 20268.8M−3%

Top countries

Share of visits · estimated visits

  • United States2.8M32.2%
  • India2M22.4%
  • United Kingdom605K6.9%
  • Canada298K3.4%
  • Pakistan289K3.3%

Other countries: 31.8%

Visits sent by AI assistants

How people reach this site from other AI tools

202K a month · 2.3% of all visits

  • ChatGPT71.1%
  • Claude20.4%
  • Gemini6.8%

Traffic figures are third-party estimates, good for scale and trends; they can differ from a company's own numbers. Updated monthly.

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