| 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 vector database with built-in vectorization modules, hybrid search, and generative capabilities. |
| Pricing |
Freemium ($0-99/mo) |
Freemium (Free-$$$) |
| Key Features |
- Contact database
- email sequencing
- dialer
- LinkedIn integration
- buying intent signals
- data enrichment
- CRM sync
- lead scoring
|
- Open-source
- Hybrid search
- Built-in vectorizers
- Generative search
- Multi-tenancy
- GraphQL
|
| Pros |
- Massive contact database
- Generous free tier
- All-in-one platform
- Good data accuracy
|
- Open-source option
- Built-in vectorization
- Hybrid search
- Active community
|
| Cons |
- Data can be outdated for smaller companies
- UI can feel cluttered
- Email deliverability issues at scale
|
- Complex configuration
- Resource intensive
- Learning curve
|
