| 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. |
Free email spam score checking tool that analyzes your emails for spam triggers and deliverability issues. |
| 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
|
- Spam score testing
- SPF check
- DKIM check
- DMARC check
- Blacklist check
- Content analysis
|
| Pros |
- Massive contact database
- Generous free tier
- All-in-one platform
- Good data accuracy
|
- Free to use
- Simple interface
- Quick results
- Educational
|
| Cons |
- Data can be outdated for smaller companies
- UI can feel cluttered
- Email deliverability issues at scale
|
- Limited tests per day
- Basic analysis
- No ongoing monitoring
|
