Apollo.io vs 6sense
Short version: Apollo.io is the better fit for SMB and mid-market teams that want data and outreach in one affordable tool, while 6sense is built for enterprise ABM teams that want predictive account intent at scale.
Apollo.io
All-in-one prospecting database + engagement
Free plan
Free plan with limited credits; paid from ~$49/seat/mo
6sense
Account intent & predictive ABM
Custom pricing
Custom annual pricing; enterprise ABM platform
At a glance
| Spec | Apollo.io | 6sense |
|---|---|---|
| Starting price | Free plan | Custom pricing |
| Budget tier | Budget-friendly | Premium |
| Complexity | Intermediate | Advanced |
| Primary category | Prospecting & Lead Data | Sales Intelligence & Signals |
| Integrations | 100+ | 60+ |
| Founded | 2015 | 2013 |
Feature comparison
Apollo.io offers 4 of 11 tracked sales intelligence & signals features; 6sense offers 9.
| Feature | Apollo.io | 6sense |
|---|---|---|
| Buyer intent data | ||
| Account & company research | ||
| Waterfall data enrichment | ||
| Job-change & hiring signals | ||
| ICP / lead scoring | ||
| Workflow automation | ||
| AI research agents | ||
| CRM enrichment | ||
| Free plan | ||
| API & webhooks | ||
| Priority / 24-7 support |
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
6sense
Pros
- Strong predictive intent and account scoring
- Orchestrates ABM across sales and marketing
- Deep analytics and segmentation
Cons
- Expensive, enterprise-only pricing
- Complex to implement and adopt
- Overkill for SMBs
Which should you choose?
Choose Apollo.io if…
- you want huge contact database with a generous free tier
- you want prospecting, sequencing, and dialer in one place
- you want excellent LinkedIn Chrome extension
Choose 6sense if…
- you want strong predictive intent and account scoring
- you want orchestrates ABM across sales and marketing
- you want deep analytics and segmentation
The verdict
Both are solid sales intelligence & signals tools. The best choice comes down to fit: Apollo.io for SMB and mid-market teams that want data and outreach in one affordable tool, and 6sense for enterprise ABM teams that want predictive account intent at scale.
Browse all tools →Frequently asked questions
Is Apollo.io or 6sense cheaper?
Apollo.io is the more affordable option (Free plan versus Custom pricing). The lower sticker price isn't always the better value, though, weigh the tier your team will actually land on and any add-ons.
Which is better, Apollo.io or 6sense?
Neither is strictly better, they're built for different priorities. Apollo.io is the stronger pick for SMB and mid-market teams that want data and outreach in one affordable tool, while 6sense suits enterprise ABM teams that want predictive account intent at scale.
What's the main difference between Apollo.io and 6sense?
Apollo.io is intermediate and budget-friendly, while 6sense is advanced and premium. On tracked sales intelligence & signals features, Apollo.io covers 4 and 6sense covers 9.