Apollo.io is a data-first sales and engagement platform that pairs an expansive B2B contact database with sequence automation, a native dialer, and deep CRM integrations—designed to help revenue teams discover prospects, run targeted outreach, and accelerate pipeline conversion.
Founded2015
Price tier$$
FocusSales engagement & B2B data
AvailabilityGlobal (cloud-based)
Why Apollo
Why sales and growth teams choose Apollo.
01Comprehensive B2B dataA searchable database of millions of business contacts and company profiles with firmographic filters and intent signals to identify high-value prospects quickly.
02Multichannel sales engagementSequence automation, email deliverability tools, and a native dialer let teams run coordinated outreach across channels and measure response at scale.
03Integrations and scalabilityDeep CRM synchronization, a developer-friendly API, and seat-based plans make Apollo flexible for single reps up to enterprise revenue stacks.
01
Prospecting & data enrichment
Apollo’s Prospector and Chrome extension turn territory research into action: build lists with advanced filters, enrich records in bulk, and export clean contact data into workflows. Intent and technographic signals help prioritize outreach, while enrichment APIs ensure CRM records remain current for predictable prospecting.

02
Sequences, dialer and analytics
Design multi-step sequences combining emails, calls, and tasks, then measure deliverability and conversion with campaign analytics. The native dialer and call tracking speed outreach, while CRM integration keeps activity centralized for forecasting and coaching.

What they sell
B2B Contact DatabaseSales Engagement SequencesLead EnrichmentEmail Deliverability ToolsNative Dialer & Call TrackingCRM IntegrationsAnalytics & ReportingProspector Chrome Extension
Our verdict
What we like
- Large, searchable B2B contact database with firmographic filters
- Robust sequence automation and built-in dialer for multi-channel outreach
- Strong CRM integrations and API for workflow automation
- Free tier and trial to evaluate core features
Worth knowing
- Data accuracy can vary by region and vertical
- Costs scale up for large teams and high-volume usage
- Advanced features have a learning curve for new users
FAQ
How is Apollo delivered—do I get software shipped?
Apollo is cloud-based SaaS. Access is immediate after signup; there is no physical shipping. Use the web app, Chrome extension, or API to work with data.
What is the cancellation and refund policy?
Subscriptions can be managed from your account dashboard and cancelled according to plan terms. Apollo offers a free tier and trial; refunds and prorated credits depend on your billing agreement—contact support for specifics.
Are there discounts for teams or annual billing?
Yes—annual prepayment and multi-seat purchases often receive discounts. Enterprise pricing and volume discounts are available through sales; startups and education requests can be discussed with the Apollo team.