Our pick
Apollo.io
DuelStack Score 6.8/10 vs Keap 5.1/10
It particularly excels at access to verified emails and direct dials from 275M+ contacts reduces. That said, Keap is the better pick if you need powerful automation.
Try Apollo.io →Or evaluate Keap — full comparison below.
Apollo.io
Keap
Feature Comparison
| Feature | Apollo.io | Keap |
|---|---|---|
| AI features | ✓ | ✗ |
| API access | ✓ | ✓ |
| Built-in calling | ✓ | ✓ |
| Contact management | ✓ | ✓ |
| Email integration | ✓ | ✓ |
| Free plan | ✓ | ✗ |
| Lead scoring | ✓ | ✓ |
| Mobile app | ✗ | ✓ |
| Pipeline management | ✓ | ✓ |
| Reporting & analytics | ✓ | ✓ |
| Third-party integrations | ✓ | ✓ |
| Workflow automation | ✓ | ✓ |
Apollo.io Pricing
Apollo.io
Pros
- Access to verified emails and direct dials from 275M+ contacts reduces manual research by 60%
- Advanced filters like tech stack and hiring signals enable laser-targeted lists
- Seamless Salesforce integration keeps data synced automatically
- Combines prospecting, outreach, and automation in one platform saving stack costs
- Intent data and AI recommendations improve targeting effectiveness
Cons
- Data accuracy inconsistent for international contacts and outdated info leads to bounces
- Steep learning curve with overwhelming options for new users
- Credit system hard to predict leading to unexpected overage costs
- Bulk operations like imports alter job titles or limit to 25 at a time
- Performance slows during peak hours or on lower-end devices
Keap
Pros
- powerful automation
- dedicated support
- all-in-one platform
- strong small business focus
Cons
- high starting price
- contact-based scaling increases costs
- US-centric features like text
Why we landed here
Apollo.io takes this one with a DuelStack Score of 6.8/10 vs 5.1/10. It particularly excels at access to verified emails and direct dials from 275M+ contacts reduces. That said, Keap is the better pick if you need powerful automation.
The DuelStack Score (1–10) weights feature breadth (25%), pricing value (25%), pros/cons ratio (20%), tier flexibility (15%), and maturity + user rating (15%). Last updated October 2026.
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Frequently asked questions
Which is better, Apollo.io or Keap?
Based on our analysis, Apollo.io is the better pick. Apollo.io takes this one with a DuelStack Score of 6.8/10 vs 5.1/10. It particularly excels at access to verified emails and direct dials from 275M+ contacts reduces. That said, Keap is the better pick if you need powerful automation.
How much does Apollo.io cost vs Keap?
Apollo.io offers a free plan. Keap starts at $299/month.
Does Apollo.io have a free plan?
Yes, Apollo.io offers a free plan with limited features.
Does Keap have a free plan?
Keap does not offer a free plan, but pricing starts at $299/month.