| Overview |
Apollo.io is an all-in-one sales intelligence and engagement platform with a database of over 275 million contacts. It combines prospecting, enrichment, and outreach automation in a single workflow. |
Open-source scheduling infrastructure for everyone with customizable booking pages and team scheduling. |
| Pricing |
Freemium ($0-99/mo) |
Freemium ($0-15/mo) |
| Key Features |
- Contact database
- email sequencing
- dialer
- LinkedIn integration
- buying intent signals
- data enrichment
- CRM sync
- lead scoring
|
- Open-source
- Scheduling
- Team bookings
- Routing
- Workflows
- API
- Self-hosted
- Integrations
|
| Pros |
- Massive contact database
- Generous free tier
- All-in-one platform
- Good data accuracy
|
- Open-source
- Self-hosted option
- Free tier
- Customizable
|
| Cons |
- Data can be outdated for smaller companies
- UI can feel cluttered
- Email deliverability issues at scale
|
- Newer platform
- Fewer features than Calendly
- Setup complexity
|
