Apollo.io
Sales intelligence and engagement platform built around a massive B2B contact database
- Category
- Business & Sales
- Pricing
- Free plan available; paid plans start around $49/user/month (Basic), with Professional and Custom/Organization tiers adding advanced data, automation, and admin controls.
- Best for
- Apollo.io is best suited to SMB and mid-market B2B sales teams that want a single, affordable platform covering both prospecting data and outbound engagement.
- Official site
- www.apollo.io
- Last updated
- August 2026
Apollo.io positions itself as an end-to-end sales platform, pairing one of the larger self-service B2B contact and company databases on the market with a full sales engagement suite. Instead of buying a data provider and a separate sequencing tool, teams can search and filter prospects by role, industry, technographic, and intent signals, then immediately add them into multi-channel outbound sequences combining email, calls, and LinkedIn tasks.
Apollo has expanded over time to include AI-assisted features such as lead scoring, buying-intent signals, and AI-written email copy, along with a built-in dialer and email sending infrastructure with deliverability safeguards. A Chrome extension lets reps enrich and prospect directly from LinkedIn or company websites, feeding data straight back into Apollo and connected CRMs.
Its pricing model, which includes a usable free tier and relatively affordable paid plans compared to enterprise-only competitors, has made it especially popular with startups, SMBs, and growing sales teams that need broad functionality without enterprise-level budgets.
Apollo.io is best suited to SMB and mid-market B2B sales teams that want a single, affordable platform covering both prospecting data and outbound engagement. It works well for startups and growing sales orgs that can't justify enterprise-priced point tools for data and sequencing separately. Larger enterprises with complex compliance or data governance needs may still prefer combining specialized tools instead.
Key features
B2B Contact & Company Database
Provides access to a large, searchable database of contacts and companies filterable by role, industry, size, technographics, and more.
Multi-Channel Sequences
Automates outbound cadences that combine email, phone calls, and LinkedIn touchpoints into a single sequence.
Built-In Dialer & Email Sending
Includes native calling and email sending tools with deliverability features like sending limits and warmup guidance.
AI Lead Scoring & Intent Signals
Surfaces buying-intent and fit signals to help reps prioritize which accounts and contacts to pursue first.
Chrome Extension Prospecting
Lets users find and enrich contact data directly from LinkedIn profiles and company websites while browsing.
CRM Integrations & Automation
Syncs contact and activity data with popular CRMs and supports workflow automation rules for outreach.
Pricing breakdown
Free
- Basic contact search and export limits
- Limited email sequencing
- Chrome extension access
Basic
- Expanded contact credits
- Email sequences and basic automation
- Standard integrations
Professional
- Higher data and export limits
- Advanced automation and dialer features
- Intent data and deeper reporting
Organization/Custom
- Enterprise-level data limits
- Advanced admin, security, and support
- Custom onboarding and success management
Pros and cons
Pros
- Bundles a sizeable contact database with a full engagement suite, cutting down on the number of separate tools a sales team needs to buy
- Pricing is significantly more accessible than many enterprise-focused competitors, with a genuinely useful free tier
- Frequent product updates have added AI-assisted features like intent scoring and AI email writing at no major price jump
- Chrome extension makes it easy for reps to prospect and enrich data in the flow of their existing browsing habits
Cons
- Like most large B2B databases, contact accuracy varies by region and job level, occasionally requiring manual verification
- Higher-value features such as advanced intent data and larger export limits are gated behind pricier plans
- New users can find the sheer number of features and settings overwhelming without guided onboarding
- Deliverability and sending limits require careful configuration to avoid domain reputation issues at high outbound volume
What reviewers say
Apollo.io is one of the most-reviewed sales tools on G2, with users frequently praising its value for money and all-in-one functionality, while some note data accuracy and onboarding complexity as areas for improvement.
Frequently praised
- Strong value for money combining data and engagement in one tool
- Large, searchable contact database with useful filtering options
- Regularly ships new features, including AI-assisted prospecting tools
Frequently criticized
- Contact data can be outdated or inaccurate for some records
- Learning curve to configure sequences, filters, and integrations effectively
- Higher-tier features required to unlock full data and automation limits
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Compare →Frequently asked questions
Does Apollo.io have a free plan?
Yes, Apollo offers a free tier with limited contact credits and sequencing features, suitable for individuals or very small teams.
How large is Apollo's contact database?
Apollo maintains one of the larger self-service B2B databases, commonly cited in the hundreds of millions of contacts, though exact figures change over time.
Can Apollo replace a separate dialer or email tool?
Yes, Apollo includes a built-in dialer and email sending infrastructure, so many teams use it instead of separate calling or sequencing tools.
Does Apollo integrate with Salesforce and HubSpot?
Yes, Apollo offers native integrations with major CRMs including Salesforce and HubSpot for syncing contacts and activity.
Is Apollo good for small teams or only larger companies?
Apollo is popular with both; its low-cost tiers and free plan make it especially attractive to startups and small sales teams.
How accurate is Apollo's contact data?
Data quality is generally solid but can vary by region and seniority level, so some teams supplement it with verification tools for critical outreach.
Ready to try Apollo.io?
Head to the official site to explore pricing and start a free trial where available.
Visit Apollo.io →