Apollo.io
All-in-one AI sales intelligence and engagement platform
What is Apollo.io?
Apollo.io is a comprehensive sales intelligence and engagement platform with a database of 275M+ contacts and 73M+ companies. Its AI features include lead scoring, buying intent signals, email writing assistance, and smart sequencing. Sales teams use it for the entire outbound workflow — finding prospects, enriching data, sending personalized sequences, and tracking engagement. The generous free tier (unlimited emails, 5 mobile credits/month) makes it accessible to startups, while enterprise features serve large sales organizations.
Key Features
✓ Pros
- Massive contact database
- Generous free tier
- AI lead scoring works well
- All-in-one platform
✗ Cons
- Data accuracy varies
- Email deliverability needs setup
- Can be overwhelming
Starting from
$0/mo
Freemium
We may earn a commission at no cost to you
Quick Info
- Category
- Sales & CRM
- Pricing Model
- Freemium
- Starting Price
- $0/mo
- Editor's Score
- 4.3/5
- Added
- 2026-02-13
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