Seamless.ai vs Apollo.io
A side-by-side comparison of features, pricing, and value to help you choose.
Seamless.ai
Real-time contact search engine
Custom pricing
Free trial credits; paid plans custom, credit-based
Apollo.io
All-in-one prospecting database + engagement
Free plan
Free plan with limited credits; paid from ~$49/seat/mo
At a glance
| Spec | Seamless.ai | Apollo.io |
|---|---|---|
| Starting price | Custom pricing | Free plan |
| Budget tier | Mid-range | Budget-friendly |
| Complexity | Beginner-friendly | Intermediate |
| Primary category | Prospecting & Lead Data | Prospecting & Lead Data |
| Integrations | 25+ | 100+ |
| Founded | 2015 | 2015 |
Feature comparison
Seamless.ai offers 7 of 10 tracked prospecting & lead data features; Apollo.io offers 10.
| Feature | Seamless.ai | Apollo.io |
|---|---|---|
| Email finder | ||
| Mobile / direct dials | ||
| Email verification | ||
| Bulk enrichment | ||
| LinkedIn / Chrome extension | ||
| Intent data | ||
| 1-click CRM export | ||
| Free plan | ||
| API & webhooks | ||
| Priority / 24-7 support |
Seamless.ai
Pros
- Large volume of contacts on demand
- Handy Chrome extension
- Real-time search rather than stale lists
Cons
- Data accuracy is inconsistent
- Aggressive sales and renewal tactics reported
- Credit limits and opaque pricing
Apollo.io
Pros
- Huge contact database with a generous free tier
- Prospecting, sequencing, and dialer in one place
- Excellent LinkedIn Chrome extension
Cons
- Email/phone accuracy dips on smaller or non-US accounts
- Credit limits force upgrades as volume grows
- Engagement features shallower than dedicated platforms
The verdict
The right pick depends on your priorities. Choose Seamless.ai if you value high-volume us prospecting teams that want lots of contacts fast. Choose Apollo.io if you need smb and mid-market teams that want data and outreach in one affordable tool.
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