| 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 text-to-speech toolkit and API offering voice cloning with just a few seconds of audio reference. |
| Pricing |
Freemium ($0-99/mo) |
Free (Free) |
| Key Features |
- Contact database
- email sequencing
- dialer
- LinkedIn integration
- buying intent signals
- data enrichment
- CRM sync
- lead scoring
|
- Open-source
- Voice cloning
- Multi-speaker
- 13 languages
- XTTS model
- Fine-tuning
|
| Pros |
- Massive contact database
- Generous free tier
- All-in-one platform
- Good data accuracy
|
- Free and open-source
- Good quality
- Voice cloning
- Active community
|
| Cons |
- Data can be outdated for smaller companies
- UI can feel cluttered
- Email deliverability issues at scale
|
- Company shut down
- Community maintained
- Requires self-hosting
- Setup complexity
|