Last Updated: 2026-05-14
Which CRM & Sales tool is right for your business in 2026? We compared 21 features across pricing, integrations, ease of use, and more.
"Apollo.io is a sales intelligence platform that helps businesses find and connect with potential customers through data-driven insights."
"Seamless.ai is a lead generation platform that provides users with access to real-time sales intelligence and contact information."
View Comparison For
🏆 Winner for Small Business
Apollo.io
Apollo.io is the more favorable option due to its extensive features and cost-effectiveness for small businesses.
🏆 Winner for Mid Market
Apollo.io
Apollo.io outperforms Seamless.ai in advanced analytics and customization options tailored for mid-market clients.
🏆 Winner for Enterprise
Apollo.io
Apollo.io stands out in security and scalability, aligning well with enterprise-level demands.
21 features compared across 21 categories
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Database Size | 200M+ contacts | 50M+ contacts | Apollo.io |
Apollo.io
200M+ contacts
Seamless.ai
50M+ contacts
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Contact Verification | Real-time verification | Batch verification | Apollo.io |
Apollo.io
Real-time verification
Seamless.ai
Batch verification
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| CRM Integrations | 250+ integrations | 150+ integrations | Apollo.io |
Apollo.io
250+ integrations
Seamless.ai
150+ integrations
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Data Analytics Capabilities | Advanced analytics features | Standard analytics features | Apollo.io |
Apollo.io
Advanced analytics features
Seamless.ai
Standard analytics features
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Ease of Use | User-friendly interface | Moderate complexity | Apollo.io |
Apollo.io
User-friendly interface
Seamless.ai
Moderate complexity
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Workflow Automation | Comprehensive automation tools | Limited automation options | Apollo.io |
Apollo.io
Comprehensive automation tools
Seamless.ai
Limited automation options
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Customer Support Channels | 24/7 support | Business hours support | Apollo.io |
Apollo.io
24/7 support
Seamless.ai
Business hours support
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Affordability | $99/month | $149/month | Apollo.io |
Apollo.io
$99/month
Seamless.ai
$149/month
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Team Collaboration Tools | Strong collaboration features | Basic collaboration tools | Apollo.io |
Apollo.io
Strong collaboration features
Seamless.ai
Basic collaboration tools
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Email Outreach Functionality | Integrated outreach tools | Separate outreach tools | Apollo.io |
Apollo.io
Integrated outreach tools
Seamless.ai
Separate outreach tools
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Data Enrichment Services | Extensive enrichment options | Standard enrichment options | Apollo.io |
Apollo.io
Extensive enrichment options
Seamless.ai
Standard enrichment options
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Custom Fields Support | Unlimited custom fields | Limited custom fields | Apollo.io |
Apollo.io
Unlimited custom fields
Seamless.ai
Limited custom fields
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Scalability of Plans | Flexible scaling options | Static plans | Apollo.io |
Apollo.io
Flexible scaling options
Seamless.ai
Static plans
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Data Source Diversity | Multiple data sources | Limited data sources | Apollo.io |
Apollo.io
Multiple data sources
Seamless.ai
Limited data sources
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Market Intelligence Features | Comprehensive insights | Basic insights | Apollo.io |
Apollo.io
Comprehensive insights
Seamless.ai
Basic insights
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Mobile App Availability | Yes | No | Apollo.io |
Apollo.io
Yes
Seamless.ai
No
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Training Materials Provided | Extensive resources | Limited resources | Apollo.io |
Apollo.io
Extensive resources
Seamless.ai
Limited resources
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Target User Base | Wide industry appeal | Niche focus | Apollo.io |
Apollo.io
Wide industry appeal
Seamless.ai
Niche focus
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| API Availability and Robustness | Advanced API options | Basic API options | Apollo.io |
Apollo.io
Advanced API options
Seamless.ai
Basic API options
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| Data Security Measures | High-level security | Standard security | Apollo.io |
Apollo.io
High-level security
Seamless.ai
Standard security
| Feature | Apollo.io | Seamless.ai | Winner |
|---|---|---|---|
| User Feedback and Ratings | High user ratings | Moderate user ratings | Apollo.io |
Apollo.io
High user ratings
Seamless.ai
Moderate user ratings
Apollo.io is generally more affordable, with starting prices at $39/month compared to Seamless.ai's $49/month.
Apollo.io is highly recommended for businesses that specifically need: budget-conscious startups, comprehensive lead generation needs, user-friendly interface for quick adoption.
Seamless.ai is the better choice if your primary focus is: testing essential features, minimalist tool preferences, lower volume lead sourcing.
Apollo.io is the more favorable option due to its extensive features and cost-effectiveness for small businesses.
See how Apollo.io and Seamless.ai stack up against other top tools.
We've compiled the ultimate buyer's guides comparing the top tools across every major B2B category. See how these platforms rank against the entire market.
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