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Apollo.io logoApollo.io

Research Comparison

Updated

Markdown

Summary

AI-powered Go-to-Market system combining 270M+ B2B contacts with sales engagement tools. Prospect, run automated email sequences, and manage deals in one unified SaaS platform.

Funding

$251.3M (Series D)

Founded

2015

Team

1000

apollo.io

Critical Notes

- Combines massive B2B data provider with full-stack sales engagement at disruptive price - Generous free tier and low-cost plans dominate startups/SMBs, undercutting ZoomInfo - Uneven data accuracy; high bounce rates on emails marked verified - LinkedIn changes forced automated LinkedIn outreach steps to become manual tasks - $1.6B unicorn valuation in 2023; hyper-growth continues

Key Features

- B2B contact and company database with 270M+ records - Automated email sequencing and outreach campaigns - Built-in dialer and call tracking - Apollo Chrome extension for LinkedIn and website prospecting - AI Context Center for drafting emails and building lists - Waterfall data enrichment to keep CRM records updated - Buying intent data and signals - CRM integrations with Salesforce, HubSpot, and others

Details

Founded 2015 by Tim Zheng and Ray Li; began as B2B contact database, expanded into full sales engagement platform. Series D $100M (Aug 2023, Bain Capital Ventures), $1.6B valuation; $251.3M raised over six rounds. ~$265M ARR, ~9M monthly visits, ~105K LinkedIn followers. Product-led: freemium, no credit card, 10K contact searches/month free, credit-pack upsells, 600K+ companies. Sales-led overlay: Apollo for Enterprise with governance, admin controls, seat minimums, premium support, SOC 2 Type II, ISO 27001, GDPR. Proprietary closed-source. Strong on price and free tier; weaker on data accuracy and signal breadth.

Signalscompared to Common Room

1st Party

  • Bi-directional CRM sync (Salesforce, HubSpot, Pipedrive) even on free tier; Gmail/M365 email and calendar activity logging; CRM enrichment on record create/update
  • No product usage or data warehouse ingestion; no marketing automation, CS, chat/support, or paid ads sources; website visitor de-anonymization limited/unverified

2nd Party

  • LinkedIn Chrome extension for one-click prospecting, bulk import, and enrichment from profiles and search pages
  • LinkedIn-only, and automated steps now manual; no open source, community, review site, event, or commerce coverage

3rd Party

  • Bombora topic-level intent, technographics, company news, job change alerts, Crunchbase funding data layered onto contact database for sequence activation
  • Single intent provider; no job listings/hiring trends; no LinkedIn company-page listening; technographic depth undocumented

Custom

  • REST API, webhooks (incl. async enrichment results), Zapier, Make, bulk CSV import/export
  • None; no native Google Sheets connector mentioned

1st Party: CRM (Salesforce, HubSpot, Pipedrive) bi-directional sync on free tier, Gmail/M365 activity logging, no warehouse or product usage. 2nd Party: LinkedIn Chrome extension only, degrading as automation becomes manual. 3rd Party: Bombora topic intent, technographics, news, job changes, Crunchbase; single intent vendor. Custom: REST API, webhooks, Zapier, Make, CSV.

Identitycompared to Common Room

Enrichment

  • Firmographics, technographics, contact details, Bombora, Crunchbase appended; 70-90% CRM match rates; email accuracy ~84-91%; sequence/CRM enrichment triggers
  • Waterfall claim contested, appears single-database; direct-dial accuracy ~60%; high bounce reports on verified emails; quarterly refresh; no multi-provider cascade

AI Powered

  • NLP title/field normalization on ingestion; probabilistic email-pattern prediction; ML lead scoring against ICP; AI call summaries downstream
  • AI improves matching to own database only; no cross-source identity resolution; no signal-triggered auto-enrichment; scoring partly black box

Identity

  • Fuzzy matching of CSV/CRM records against 275M contacts and 73M companies using email, domain, name, LinkedIn URL
  • Database lookup, not identity resolution; no cross-source merging; relies on CRM dedupe rules and can create duplicates; no merge review flow; quarterly profile updates

Identity: fuzzy matching against 275M contacts/73M companies via email, domain, name, LinkedIn URL; relies on CRM dedupe; resolves to work profile only. Enrichment: firmographics, technographics, contacts, intent, funding; 70-90% match; email accuracy 84-91%; direct dials ~60%; quarterly refresh; single-database waterfall limits. AI: NLP normalization, probabilistic email prediction, ML ICP scoring, AI writing and call summaries.

Automationcompared to Common Room

Combine

  • Stack Bombora intent, first-party engagement (web visits, opens), and 65+ database filters into segments and workflow conditions
  • Capped by missing inputs; no product usage, community, open source, CS, or review signal combinations

Score

  • AI-assisted lead scoring with customizable weights blending firmographics, behavior, and intent; ICP-match highlighting
  • Inputs limited to Apollo data model; no product usage, community, support, or warehouse fields; no documented account-level impact points

AI Message

  • AI Writing Assistant drafts personalized emails from company, role, and lead context; templates, snippets, AI sequence generator
  • Unsure; personalization bounded by Apollo data without community/product context

AI Research

  • AI Power-Ups run custom research prompts across filtered account lists, returning structured summaries or custom scores usable as filters/triggers
  • Limited to public signals and Apollo database; no first-party, community, or product context; credit cost unsure

Workbench: Cockpit/Control Center with Task Manager. Workflow: Plays with trigger-condition-action, narrow trigger set. Alerts: Slack/internal on web behavior. Combine: intent + engagement + 65 filters. Score: AI lead scoring with custom weights. AI Message: Writing Assistant, strong. AI Research: Power-Ups custom prompts across account lists.

Supportcompared to Common Room

Systems

  • Zendesk-hosted knowledge base (knowledge.apollo.io), support@apollo.io, in-app ticketing, premium support and account management for Enterprise
  • Free/low tiers self-serve only; human support gated to Enterprise

Content

  • Large knowledge base, API docs, Apollo Academy (courses, certifications), YouTube tutorials, third-party tutorials, in-app templates/snippets
  • Unsure; baseline unspecified

Community

  • 6,000+ member Slack community; 8+ free events/month (email teardowns, cold-call webinars, social selling challenges, IRL meetups); LinkedIn takeovers; unofficial ecosystem (Reddit, trainers, agencies)
  • Sales-tactics community, not ingested as product signal; unsure vs. baseline

...

Status: Watch

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