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Apollo vs ZoomInfo: Full Comparison (2026)

Compare Apollo and ZoomInfo side-by-side across features, pricing, deliverability, and more. Find the best cold email tool for your outreach needs.

Written by ColdEmailKit EditorialUpdated on July 29, 2026
OverviewFeatures
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Apollo

Apollo.io is an AI-powered B2B sales platform combining a 210M+ contact database with outreach automation, dialers, and deal tools.

Screenshot of Apollo
Details:

  • Overall rating

    4.1

  • Total reviews

    11,439

  • Trust Score

    82%

  • Starting Price

    $0/mo

  • Best for

    Enterprises, Small business
A favicon of ZoomInfo

ZoomInfo

ZoomInfo is the leading B2B intelligence platform that provides verified contact data, buying signals, and AI-powered insights for sales and marketing teams.

Screenshot of ZoomInfo
Details:

  • Overall rating

    3.55

  • Total reviews

    11,501

  • Trust Score

    71%

  • Starting Price

    $10,000/year

  • Best for

    Enterprises
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Core Specifications

Lead Database AccessBuilt-in database for finding prospects
Apollo:
5/5
ZoomInfo:
5/5
Email FindingAbility to discover email addresses
Apollo:
4/5
ZoomInfo:
5/5
Email VerificationAbility to validate email deliverability
Apollo:
3/5
ZoomInfo:
3/5
Email SendingRun cold email campaigns
Apollo:
4/5
ZoomInfo:-
Multi-step SequencesAutomated follow-ups and sequences
Apollo:
5/5
ZoomInfo:-
Unified InboxManage replies in one place
Apollo:
4/5
ZoomInfo:-
Built-in CRMStore and manage leads internally
Apollo:
4/5
ZoomInfo:
2/5

Pricing Details

Starting Price (Monthly)Lowest paid plan
Apollo:$49/month
ZoomInfo:$10,000/year
Free TrialTrial available before payment
Apollo:Yes
ZoomInfo:No
Free PlanPermanent free version
Apollo:Yes
ZoomInfo:No
Most Popular Plan PriceCommonly chosen plan
Apollo:$79/mo/user annual
ZoomInfo:-
Unlimited InboxesNo hard inbox limits
Apollo:No
ZoomInfo:-

Inbox Features

Inboxes ProvidedTool supplies inboxes
Apollo:No
ZoomInfo:-
Inbox TypeGoogle, Microsoft, or proprietary
Apollo:multiple
ZoomInfo:-
Max InboxesMaximum inboxes allowed
Apollo:Unlimited BYO
ZoomInfo:-
Domain Provision IncludedDomains included
Apollo:No
ZoomInfo:-
Domain Setup IncludedDNS handled automatically
Apollo:No
ZoomInfo:-
Auto Inbox SetupOne-click setup
Apollo:No
ZoomInfo:-

Warm-up Features

Warmup IncludedBuilt-in warm-up
Apollo:No
ZoomInfo:-
Auto Reply/Open SimulationSimulated engagement
Apollo:No
ZoomInfo:-
Spam Folder RecoveryMoves emails from spam
Apollo:No
ZoomInfo:-
Custom Warmup ScheduleSchedule control
Apollo:No
ZoomInfo:-
Warmup Health ScoreHealth score per inbox
Apollo:No
ZoomInfo:-
Warmup + Sending ParallelWarm while sending
Apollo:No
ZoomInfo:-

Lead Database

Database SizeTotal contacts available
Apollo:275M+
ZoomInfo:320M+
Contact SearchFind individual prospects
Apollo:
5/5
ZoomInfo:
5/5
Company SearchFind companies
Apollo:
5/5
ZoomInfo:
5/5
Email DataEmail coverage quality
Apollo:
4/5
ZoomInfo:
4/5
Phone DataPhone number availability
Apollo:
3/5
ZoomInfo:
4/5
Mobile Phone DataMobile numbers included
Apollo:Yes
ZoomInfo:Yes
Job Title AccuracyAccuracy of roles
Apollo:
4/5
ZoomInfo:
4/5
Company Data DepthFirmographic detail
Apollo:
4/5
ZoomInfo:
5/5
Technographic DataTech stack insights
Apollo:Yes
ZoomInfo:Yes
Intent DataBuying intent signals
Apollo:Yes
ZoomInfo:Yes
Data Accuracy RateClaimed accuracy
Apollo:85%
ZoomInfo:95%+
Credits IncludedMonthly credits
Apollo:10K-unlimited export
ZoomInfo:Based on plan
Cost Per CreditOverages pricing
Apollo:$0.50+
ZoomInfo:Varied
Real-time VerificationVerify before export
Apollo:Yes
ZoomInfo:Yes

Data Enrichment

Enrichment TypeContact, company, or both
Apollo:both
ZoomInfo:both
Email EnrichmentFind missing emails
Apollo:
4/5
ZoomInfo:
5/5
Phone EnrichmentFind phone numbers
Apollo:
3/5
ZoomInfo:
4/5
Company EnrichmentAdd company data
Apollo:
4/5
ZoomInfo:
5/5
Social Profile EnrichmentLinkedIn, social links
Apollo:Yes
ZoomInfo:Yes
Waterfall EnrichmentMulti-source lookup
Apollo:Yes
ZoomInfo:Yes
Real-time EnrichmentEnrich on demand
Apollo:Yes
ZoomInfo:Yes
Bulk EnrichmentEnrich at scale
Apollo:
5/5
ZoomInfo:
5/5
API EnrichmentAPI access
Apollo:
4/5
ZoomInfo:
5/5
Enrichment AccuracyClaimed accuracy
Apollo:95%
ZoomInfo:95%
Credits IncludedMonthly allowance
Apollo:Based on plan
ZoomInfo:Yes

AI Copywriting

AI Email GenerationGenerate full emails
Apollo:
4/5
ZoomInfo:-
Personalization DepthLevel of customization
Apollo:
4/5
ZoomInfo:-
Research AutomationAuto prospect research
Apollo:
4/5
ZoomInfo:-
Tone ControlAdjust writing style
Apollo:Yes
ZoomInfo:-
Template LibraryPre-built templates
Apollo:Yes
ZoomInfo:-
Custom Template TrainingTrain on own emails
Apollo:No
ZoomInfo:-
Subject Line GenerationGenerate subject lines
Apollo:Yes
ZoomInfo:-
A/B Variant GenerationCopy testing
Apollo:Yes
ZoomInfo:-
Multi-language SupportNon-English support
Apollo:Yes
ZoomInfo:-
Email ScoringQuality scoring
Apollo:No
ZoomInfo:-

Email Outreach

Email SendingCore sending engine
Apollo:
3/5
ZoomInfo:-
Max Emails Per DayDaily sending cap
Apollo:400+
ZoomInfo:-
Max Emails Per MonthMonthly sending cap
Apollo:Unlimited
ZoomInfo:-
Unlimited SendingNo email limits
Apollo:Yes
ZoomInfo:-
Inbox RotationDistribute sends
Apollo:
4/5
ZoomInfo:-
Smart RotationOptimized rotation
Apollo:Yes
ZoomInfo:-
Sending Schedule ControlTime-based sending
Apollo:
4/5
ZoomInfo:-
Timezone SendingSend by recipient TZ
Apollo:Yes
ZoomInfo:-
Multi-step SequencesAutomated follow-ups
Apollo:
5/5
ZoomInfo:-
Max Sequence StepsSequence depth
Apollo:Unlimited
ZoomInfo:-
A/B TestingVariant testing
Apollo:
4/5
ZoomInfo:-
Conditional LogicIf/then branching
Apollo:
4/5
ZoomInfo:-
Auto-pause on ReplyStop on reply
Apollo:Yes
ZoomInfo:-
Custom VariablesMerge fields
Apollo:
5/5
ZoomInfo:-
Spintax SupportText variations
Apollo:
3/5
ZoomInfo:-
AI PersonalizationAI-based tokens
Apollo:
4/5
ZoomInfo:-
Unified InboxCentral reply inbox
Apollo:
4/5
ZoomInfo:-
AI Reply CategorizationAuto-sort replies
Apollo:
3/5
ZoomInfo:-

Deliverability

Inbox Placement TestingInbox vs spam testing
Apollo:
1/5
ZoomInfo:-
Spam Score TestingSpam risk analysis
Apollo:
1/5
ZoomInfo:-
Blacklist MonitoringBlacklist checks
Apollo:
1/5
ZoomInfo:-
Domain Reputation MonitoringDomain health tracking
Apollo:
2/5
ZoomInfo:-
IP Reputation MonitoringIP health tracking
Apollo:
3/5
ZoomInfo:-
DMARC/SPF/DKIM CheckerDNS validation
Apollo:Yes
ZoomInfo:-
Email Content AnalysisSpam trigger analysis
Apollo:
3/5
ZoomInfo:-
Deliverability AlertsIssue notifications
Apollo:No
ZoomInfo:-
Historical TrackingPerformance history
Apollo:No
ZoomInfo:-
Provider-specific TestingGmail, Outlook tests
Apollo:No
ZoomInfo:-
Remediation GuidanceFix recommendations
Apollo:
1/5
ZoomInfo:-
Monitoring FrequencyReal-time or periodic
Apollo:Periodic
ZoomInfo:-

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