Apollo.io vs Klaviyo

Side-by-side comparison of Apollo.io and Klaviyo: pricing, features, API access, and community ratings.

AI comparison summary

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	Apollo.io The AI sales platform for smarter, faster revenue growth Visit	Klaviyo The autonomous B2C CRM for AI-powered email, SMS, and omnichannel marketing Visit
Category	Chat assistants	Chat assistants
Pricing	Freemium	Freemium
Starting price
Free tier
Audience	All audiences	All audiences
API available
Open source
Self-hostable
Model provider
Founded	2015	2012
Headquarters	San Francisco, USA	Boston, United States
Key strengths	·230M+ verified B2B contacts and 30M+ companies in its database ·Unified platform replacing data provider, outreach, dialer, enrichment, and CRM ·AI-powered multichannel outreach with built-in email deliverability guardrails ·Advanced lead targeting with granular filtering and buyer intent signals	·Unified B2C CRM combining marketing, service, and analytics in one platform ·AI agents (Marketing Agent & Customer Agent) that autonomously create campaigns and resolve support queries ·Real-time customer data platform processing 3.7B+ events daily across 8B profiles ·350+ pre-built integrations covering ecommerce, POS, loyalty, and shipping