Apollo.io
FreemiumB2B sales intelligence and engagement platform
⚡ Quick Verdict
SDRs, sales teams, and startups who need affordable B2B prospecting with built-in outreach
Teams requiring enterprise-grade data accuracy or complex multi-touch attribution
Free (10K credits/mo) / Basic $49/mo
Yes — 10,000 email credits/month
Massive contact database with generous free tier
Data accuracy varies by region and industry
Bottom line: Apollo.io scores 4.4/5 — a strong choice for SDRs and sales teams who need affordable B2B prospecting with built-in outreach and a massive contact database.
What is Apollo.io?
Apollo.io is a B2B sales intelligence and engagement platform with a database of 275M+ contacts and 73M+ companies. It combines prospecting, outreach sequencing, deal management, and analytics in one platform. The free tier includes 10,000 email credits per month and basic search. Apollo's prospecting engine lets you filter contacts by job title, company size, industry, technology stack, funding stage, and dozens of other criteria. Once you build a list, you can launch multi-step email sequences directly from the platform with automated follow-ups, A/B testing, and engagement tracking. The platform also offers intent data and buying signals to help you identify companies actively researching solutions in your category. CRM enrichment automatically fills in missing contact data in your existing Salesforce or HubSpot records. Conversation intelligence features analyze sales calls for coaching insights. Apollo targets SDRs, account executives, sales leaders, and growth teams at companies of all sizes.
Apollo.io Pricing
Free (10K credits/mo) / Basic $49/mo / Professional $79/mo / Organization $119/mo
Key Features
- Contact database (275M+ contacts)
- Email sequencing
- LinkedIn integration
- Intent data & buying signals
- CRM enrichment
- Conversation intelligence
- Deal management
Pros & Cons
Pros
- Massive contact database
- Generous free tier
- All-in-one platform
- Affordable vs competitors
Cons
- Data accuracy varies
- Email deliverability can be inconsistent
- Learning curve for advanced features
Best For
SDRs, sales teams, and startups who need affordable B2B prospecting with built-in outreach
📋 Good to know
Sign up for free, connect your email, and start searching the database immediately. Install the Chrome extension for LinkedIn prospecting. Connect your CRM for automatic data sync.
Apollo stores contact data, email engagement metrics, and sequence activity in the cloud. The platform aggregates data from public sources and third-party providers. GDPR compliance tools are available for managing data requests.
Upgrade from Free when you need more than 10K email credits/month or want advanced filters. Move to Professional for intent data, buying signals, and advanced reports. Organization tier adds conversation intelligence and custom roles.
Low for basic prospecting and email sequences. Moderate for advanced features like intent data, custom scoring models, and multi-channel outreach orchestration.
🔄 Alternatives by use case
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FAQ
What is Apollo.io?
Apollo.io is a B2B sales intelligence and engagement platform that combines a massive contact database (275M+ contacts, 73M+ companies) with built-in outreach tools. It lets sales teams find prospects, build targeted lists, and launch multi-step email sequences — all from one platform. It also includes intent data, buying signals, and deal management features.
How much does Apollo.io cost?
Apollo.io has a free plan with 10,000 email credits per month and basic search filters. Paid plans start at $49/month (Basic) with more credits and advanced filters, $79/month (Professional) adding intent data and buying signals, and $119/month (Organization) with conversation intelligence and custom roles. Annual billing offers discounts.
Is Apollo.io free?
Yes, Apollo.io offers a generous free plan that includes 10,000 email credits per month, basic search filters, and limited sequence automation. The free plan is enough for individual SDRs or small teams getting started with outbound prospecting. You can upgrade anytime as your needs grow.
Is Apollo.io data accurate?
Apollo.io's data accuracy varies by region and industry. For US-based tech companies, email accuracy tends to be strong. For international contacts or niche industries, accuracy can be lower. Apollo uses a combination of public data sources, third-party providers, and community-contributed data. Always verify critical contact data before large outreach campaigns.
Apollo.io vs ZoomInfo — which is better?
Apollo.io is significantly more affordable and offers a free tier, making it ideal for startups and SMBs. ZoomInfo has a larger and generally more accurate database, especially for enterprise accounts, but costs significantly more (typically $15K+/year). Apollo includes built-in email sequencing; ZoomInfo focuses on data and requires separate outreach tools. Choose Apollo for value, ZoomInfo for data quality at scale.
How do I set up email sequences in Apollo.io?
Go to Engage → Sequences → Create Sequence. Add steps (emails, tasks, or LinkedIn actions) and set the timing between each step. Write your email templates with personalization variables like name and company. Add contacts from your saved lists, then activate the sequence. Apollo handles sending, tracking opens and clicks, and pausing sequences when a prospect replies.
Does Apollo.io integrate with Salesforce and HubSpot?
Yes. Apollo.io has bidirectional integrations with both Salesforce and HubSpot. Contacts, activities, and engagement data sync automatically between platforms. Apollo can also enrich existing CRM records with missing phone numbers, email addresses, and company data. Additional integrations include LinkedIn, Outreach, Salesloft, Zapier, and Slack.
What is Apollo.io used for?
Apollo.io is primarily used for B2B sales prospecting and outbound outreach. Sales teams use it to find decision-makers at target companies, build prospect lists with detailed filters (job title, company size, industry, tech stack), and launch automated email sequences. It's also used for CRM data enrichment, lead scoring, and tracking buying intent signals to prioritize outreach timing.