| 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. |
AI training data platform with auto-annotation, model training, and deployment for computer vision workflows. |
| Pricing |
Freemium ($0-99/mo) |
Freemium ($$-$$$$) |
| Key Features |
- Contact database
- email sequencing
- dialer
- LinkedIn integration
- buying intent signals
- data enrichment
- CRM sync
- lead scoring
|
- Auto-annotation
- Model training
- DICOM support
- Video annotation
- Workflow management
- Dataset management
|
| Pros |
- Massive contact database
- Generous free tier
- All-in-one platform
- Good data accuracy
|
- Strong auto-annotation
- Medical imaging support
- Video support
- Good UI
|
| Cons |
- Data can be outdated for smaller companies
- UI can feel cluttered
- Email deliverability issues at scale
|
- Expensive
- Enterprise focused
- Limited model deployment options
|
