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Comparison · updated 18 October 2026

Apollo.io vs ZoomInfo (2026): an honest comparison, plus a third option

Apollo.io and ZoomInfo are the two biggest B2B contact databases. Apollo is self-serve and cheap to start; ZoomInfo is enterprise, sold on annual contracts.

Apollo.io vs ZoomInfo at a glance

Apollo.ioZoomInfoHappierleads
IdentifiesContact database; company-level website visitor IDContact database; company-level website visitor IDPerson + company (name, work email, LinkedIn)
CountriesGlobal contact databaseStrongest in North AmericaPerson-level in 174+ countries; company-level for EU/EEA visitors
PricingFree plan; paid plans per seatNot published (sales-led)From $99/mo for 300 identified visitors
Pricing modelPer seat with monthly creditsAnnual contract: licences plus creditsPay per identified visitor; no seat fees
Free trialFree plan + trial of paid plansFree trial on some plans7-day free trial, no card
GDPR / privacyNot stated on the pricing pageNot stated on the pricing pageGDPR & CCPA; EU/EEA visitors shown at company level only
G2 rating4.7/54.5/54.8/5

Prices and features from each vendor's own pricing page and G2, checked 18 October 2026. Vendors change prices — check their page before you buy. "Not published" means the vendor only quotes after a sales call.

Short version: Pick Apollo for affordable data plus sequencing. Pick ZoomInfo for the deepest enterprise data if budget allows. Pick Happierleads if you would rather start with the people already visiting your website.

Apollo.io: strengths and weaknesses

Apollo.io is a prospecting platform: a large B2B contact database, email sequencing and a dialer, with a free plan and per-seat paid plans.

What reviewers like

  • Data plus sequencing in one tool
  • Easy to use
  • Generous free plan

What reviewers complain about

  • Some contacts are outdated or wrong
  • CRM sync limitations
  • Credit limits as usage grows

Best for: Small and mid-size outbound teams that want data and sequences in one affordable tool.

Themes from Apollo.io reviews on G2 and independent reviews; pricing from Apollo.io's pricing page, checked 18 October 2026 · Happierleads vs Apollo.io.

Where Happierleads fits

Apollo starts from a list of people you choose to contact. Happierleads starts from people already looking at your website, then gives you their details and a sequence — warmer leads, and it bundles a 175M+ contact database too.

Compare with your own traffic — start free7-day free trial · no card

ZoomInfo: strengths and weaknesses

ZoomInfo is the largest enterprise B2B data platform: contacts, company data, intent and a company-level website visitor product, sold on annual contracts.

What reviewers like

  • Fast access to decision-makers and direct dials
  • Easy to learn
  • CRM integrations and workflows

What reviewers complain about

  • Some data is outdated
  • Cluttered interface
  • Opaque pricing and contracts that are hard to leave

Best for: Mid-market and enterprise teams with budget for an annual data contract.

Themes from ZoomInfo reviews on G2 and independent reviews; pricing from ZoomInfo's pricing page, checked 18 October 2026 · Happierleads vs ZoomInfo.

Where Happierleads fits

If an annual ZoomInfo contract is more than you need, Happierleads gives you the warmest slice — the people visiting your site — plus a 175M+ contact database, month to month from $99/mo.

Compare with your own traffic — start free7-day free trial · no card

Where Happierleads fits

Happierleads identifies the people behind your website visits — name, work email and LinkedIn — in 174+ countries (EU/EEA visitors at company level), scores them against your ideal customer profile, pushes them to your CRM or Slack and lets you email them from the same plan. Pricing starts at $99/mo for 300 identified visitors; you pay per identified visitor, not per seat. Rated 4.8/5 on G2.

It is not an enterprise ABM suite and has no AI chat agent. If those are what you need, the tools above are the better fit.

Start your 7-day free trial7-day free trial · no card

FAQ

What is the difference between Apollo.io and ZoomInfo?

Apollo.io identifies: Contact database; company-level website visitor ID. ZoomInfo identifies: Contact database; company-level website visitor ID. Pick Apollo for affordable data plus sequencing. Pick ZoomInfo for the deepest enterprise data if budget allows. Pick Happierleads if you would rather start with the people already visiting your website.

Is Apollo.io or ZoomInfo cheaper?

Apollo.io: Free plan; paid plans per seat. ZoomInfo: Not published (sales-led). Prices from each vendor's own pricing page, checked 18 October 2026. Happierleads starts at $99/mo.

Do Apollo.io and ZoomInfo identify individual people?

Apollo.io: Contact database; company-level website visitor ID. ZoomInfo: Contact database; company-level website visitor ID. Happierleads identifies the individual visitor — name, work email and LinkedIn — in 174+ countries, and shows EU/EEA visitors at company level.

Is there an alternative to Apollo.io and ZoomInfo?

Yes. Happierleads identifies the people visiting your website, scores them against your ICP and lets you email them from the same plan. It starts at $99/mo with a 7-day free trial, no card.