Apollo vs ZoomInfo (2026): full comparison
Apollo vs ZoomInfo is the biggest 'which B2B data tool should I buy' question in outbound. Both have huge databases, both ship intent signals, both have integrations with every CRM. But they target completely different buyers — Apollo wins SMB and mid-market on price and product breadth, ZoomInfo wins enterprise on data depth and intent.
Below: a full apples-to-apples comparison on pricing, data accuracy, intent signals, sequencer, AI and total cost of ownership.
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ZoomInfo
$15K+/yr
Enterprise B2B data & intelligence
Verdict
For 90% of teams, Apollo.io wins — 275M contacts, sequencer + dialer included, $49/user vs $15K+/yr ZoomInfo minimum, monthly billing. ZoomInfo only wins for enterprise sales orgs ($1M+ ARR pipelines) that need premium intent data and deep org charts.
Side-by-side comparison
| Criterion |  | Winner | |
|---|---|---|---|
| Pricing | $49/user/mo, monthly | $15K+/yr, annual contracts | Apollo.io |
| Database size | 275M contacts | 260M+ contacts | Tie |
| US data accuracy | Strong (90%+) | Best in class | ZoomInfo |
| EU/APAC data | Patchy | Better but not best (use Cognism) | ZoomInfo |
| Intent signals | Basic | Best in class | ZoomInfo |
| Sequencer included | Yes — full multichannel-light | No — buy Outreach/Salesloft separately | Apollo.io |
| Dialer included | Yes | No | Apollo.io |
| Free plan | Yes — generous | No | Apollo.io |
| Contract length | Monthly | Annual | Apollo.io |
| Time to value | Hours | Weeks (sales cycle + onboarding) | Apollo.io |
| G2 rating | 4.7 | 4.4 | Apollo.io |
Pick Apollo.io if
- ✓You're SMB or mid-market (under 100 reps).
- ✓You want database + sequencer + dialer in one bill.
- ✓You want monthly billing and a free plan to test.
- ✓You sell primarily into the US.
Pick ZoomInfo if
- ✓You're enterprise with a $1M+ ARR sales motion.
- ✓Premium intent data is mission-critical.
- ✓You already use Outreach or Salesloft for sequencing.
- ✓You need deep org charts for ABM.
Frequently asked questions
Is Apollo cheaper than ZoomInfo?+
Yes — Apollo starts at $49/user/month with monthly billing and a generous free plan. ZoomInfo starts around $15,000/year with annual contracts. For SMB and mid-market teams, Apollo is roughly 5–10x cheaper.
Is ZoomInfo data better than Apollo?+
ZoomInfo has more complete US enterprise data, deeper org charts and stronger intent signals. Apollo has 275M contacts at a fraction of the price and is more than enough for SMB and mid-market outbound. For EMEA, neither is best — use Cognism.
Which is better for AI SDR — Apollo or ZoomInfo?+
Apollo has built-in AI for email writing and research; ZoomInfo's AI is focused on intent and account intelligence. For pure AI SDR, neither is best in class — pick a dedicated AI SDR like Reply.io's Jason, 11x or Artisan.
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