Last verified May 2026
Apollo
All-in-one go-to-market platform combining a B2B database of 275M+ contacts, multi-step sequences, dialer, and CRM sync for outbound sales teams.
Company
- Founded
- 2015
- Headquarters
- San Francisco, CA
- Funding
- Series D, $110M led by Bain Capital Ventures (2023)
Pricing
| Tier | Monthly | Per seat | Includes |
|---|---|---|---|
| Free | $0 | — | Unlimited email sending · 60 mobile credits/mo · 120 export credits/mo |
| Basic | — | $49 | 1,000 email credits/mo · Sequences · AI writing assist |
| Professional | — | $79 | Unlimited sequences · Dialer with local presence · Buying intent topics |
| Organization | — | $119 | Min 3 seats · Advanced security · Customer success manager |
Key features
- B2B contact database with 275M+ contacts
- Multi-step email and LinkedIn sequences
- Built-in dialer with local presence
- Buying intent and job-change alerts
- CRM sync (Salesforce, HubSpot)
Pros
- Generous free tier — unlimited email plus thousands of search credits
- Affordable compared to ZoomInfo at similar contact volume
- Database and outreach in one tool reduces stack complexity
Cons
- Free credits run out fast for active prospectors
- Data freshness varies versus enterprise-grade providers
- Email deliverability requires careful warmup discipline
Integrations
Related guides
Long-form guides where Apollo is featured with full context.
Alternatives
See full breakdown on the alternatives to Apollo page.
ZoomInfo
Enterprise B2B sales intelligence platform with a database of 100M+ contacts, intent data, and engagement workflows.
Clay
Programmable spreadsheet that pulls from 100+ data sources to build, enrich, and segment B2B prospect lists using AI agents.
Salesloft
Sales engagement and revenue orchestration platform combining cadences, conversation intelligence, and forecasting for B2B teams.
Outreach
Enterprise sales engagement platform managing outbound sequences, deal intelligence, and forecasting for large revenue teams.
Reply.io
AI-powered sales engagement platform for multi-channel sequences across email, LinkedIn, calls, and SMS with built-in analytics.