Apollo.io vs Lead Onion
A factual comparison of features, pricing, and capabilities.
Apollo.io
All-in-one sales intelligence and engagement platform combining a 275M+ contact database with automated sequences, email outreach, dialer, and AI-powered workflows for prospecting at scale.
Lead Onion
Buyer intent platform that combines person-based, account-based and website-based intent (topic intent via Bombora, Foundry or Continuity, competitor engagement, events, technologies) with contact reveals and an AI buyer-intent agent, syncing leads into HubSpot, Salesforce, Microsoft Dynamics, Outreach and Slack.
Pricing comparison.
Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.
Feature comparison.
| Feature | Apollo.io | Lead Onion |
|---|---|---|
| B2B contact and company database (275M+ contacts) | ||
| Multi-channel sequences (email, phone, LinkedIn) | ||
| AI-powered email writing and optimization | ||
| Built-in dialer with call recording | ||
| Automated workflows and engagement rules | ||
| A/B testing for email sequences | ||
| Buying intent signals and job change alerts | ||
| Advanced lead scoring and filtering | ||
| Email deliverability tools and mailbox rotation | ||
| Conversation intelligence (Professional+) | ||
| Person Based Intent | ||
| Account Based Intent | ||
| Website Based Intent | ||
| Research Quadrant | ||
| Watchlist | ||
| Account Level Intent | ||
| Topic Intent | ||
| Competitors | ||
| Events | ||
| Technologies | ||
| In-Market Accounts | ||
| Prospects Search |
Native integrations.
Apollo.io
Lead Onion
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Information gathered from official sources and may change. Pricing and features last verified 9/4/2026. Please visit the official websites for the most current information.