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Apollo.io vs Lusha vs Seamless.AI: Comparing B2B Contact Data Platforms for Sales Teams, SDRs and Revenue Operations

By Email ExtractorPublished 8 min read
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What These Platforms Do

Apollo.io, Lusha and Seamless.AI are B2B contact data platforms that help sales teams, SDRs (sales development representatives), recruiters and marketing teams find email addresses, phone numbers and company information for prospecting. All three offer searchable contact databases, Chrome browser extensions for LinkedIn prospecting, CRM integrations and some form of email outreach or sequencing. They differ in database size, data sourcing methodology, accuracy rates, feature depth and pricing:

Feature Apollo.io Lusha Seamless.AI
Primary value proposition All-in-one sales intelligence and engagement platform; combines contact data with email sequencing, calling, meeting scheduling and analytics Accurate B2B contact data with strong compliance focus (GDPR, CCPA); simpler tool focused on data quality over feature breadth AI-powered real-time contact search; positions as having the largest database; real-time verification at point of search
Database size (claimed) 270M+ contacts; 73M+ companies 100M+ business profiles; 15M+ company profiles 1.9B+ contact and company records (claimed; includes unverified records)
Data sourcing Aggregated from public sources, data partnerships, user-contributed data (community-verified); AI enrichment Aggregated from public sources, data partnerships; community-contributed data from Lusha extension users; GDPR-compliant sourcing Real-time AI search engine that crawls and verifies data at the time of search; not a static database
Chrome extension Yes (LinkedIn, company websites, Gmail) Yes (LinkedIn, company websites, Salesforce, Recruiting platforms) Yes (LinkedIn, company websites)
Email sequencing / outreach Yes (built-in multi-step sequences with email, calls, LinkedIn tasks, conditional logic) Limited (basic email sequences in paid plans) Limited (built-in email outreach in paid plans; less mature than Apollo)
CRM integrations Salesforce, HubSpot, Pipedrive, Zoho, Outreach, SalesLoft, and others Salesforce, HubSpot, Pipedrive, Zoho, Bullhorn, Outreach, and others Salesforce, HubSpot, Outreach, and others
Compliance GDPR-compliant data handling; opt-out mechanism Strong GDPR and CCPA compliance; ISO 27701 certified; proactive opt-out database GDPR and CCPA compliant; opt-out mechanism

Pricing Comparison

Pricing changes frequently. Check each platform's current pricing page for up-to-date information.

Tier Apollo.io Lusha Seamless.AI
Free Yes: limited credits per month; basic search and sequencing; Chrome extension Yes: limited credits per month; Chrome extension; basic search Limited free trial; Chrome extension
Entry / Basic Paid plans start at per-user/month pricing; increased credits; advanced filters; sequences; integrations Paid plans start at per-user/month pricing; increased credits; team management; analytics Paid plans require annual commitment; credits-based; includes real-time search
Professional / Premium Higher credit limits; advanced analytics; call recording; A/B testing; buying intent data Higher credit limits; bulk enrichment; API access; CRM enrichment; advanced team features Higher credit limits; buyer intent data; data enrichment; priority support
Enterprise Custom pricing; unlimited credits (in some plans); advanced security; SSO; dedicated support; custom integrations Custom pricing; API access; dedicated success manager; custom compliance requirements Custom pricing; unlimited credits; dedicated success manager; custom integrations

Credit economics

Factor Apollo.io Lusha Seamless.AI
What a credit gets you 1 email reveal or 1 phone number reveal (varies by plan; some plans bundle differently) 1 contact reveal (email + phone if available) 1 contact search/reveal
Free tier credits Limited per month (changes frequently; check current offering) Limited per month Limited trial
Credit rollover Varies by plan Varies by plan Varies by plan
Bulk operations Bulk enrichment available on higher plans; bulk export from saved lists Bulk enrichment on higher plans; CSV enrichment Bulk list building on higher plans

Data Accuracy

Dimension Apollo.io Lusha Seamless.AI
Email accuracy (industry estimates) 85-92% (varies by segment; higher for larger companies with stable domains) 88-95% (generally considered the most accurate of the three; strong verification at source) 80-90% (real-time verification improves accuracy but results vary; some users report higher bounce rates)
Phone accuracy 70-85% (direct dials and mobile; mobile numbers less reliable than emails) 75-90% (strong direct dial coverage; mobile numbers in compliant markets) 70-85% (real-time search claims to find current numbers; accuracy varies)
Data freshness Updated regularly; community-contributed updates; some data can be months old Updated regularly; community contributions from Lusha extension users improve freshness Real-time search means data is verified at the moment of search (but underlying sources may still be stale)
Company data accuracy Strong company data (revenue, employee count, technology stack, funding); integrated with Crunchbase-style data Good company data; less depth than Apollo on technographic and firmographic data Company data available but less comprehensive than Apollo

What none of them do

All three platforms find and reveal contact information. None of them do the following -- these require separate tools or workflows:

Capability What you need instead
Verify that a specific email address actually receives mail (mailbox verification) Dedicated email verification services (ZeroBounce, NeverBounce, Clearout, DeBounce, EmailListVerify)
Extract email addresses from your own files, documents, exports or downloaded web pages Email Extractor for extracting and deduplicating emails from files you already have (TXT, CSV, HTML, PDF, XLSX, JSON, XML, EML, MSG, VCF and other formats)
Send marketing emails at scale (newsletters, drip campaigns, promotional emails) Email marketing platforms (Mailchimp, Constant Contact, ActiveCampaign, ConvertKit)
Manage customer relationships and deal pipeline CRM systems (Salesforce, HubSpot, Pipedrive, Zoho); Apollo has basic CRM functionality but most teams use a dedicated CRM
Enrich data you already have in your CRM (add missing fields to existing records) Apollo and Lusha both offer CRM enrichment features; or use dedicated enrichment tools (Clearbit, ZoomInfo, FullContact)

Use Case Fit

Use case Best fit Why
SDR/BDR team doing high-volume outbound (100+ emails/day) Apollo.io Built-in sequencing with conditional logic, A/B testing and analytics; high credit volumes on paid plans; integrated calling; task management; all-in-one workflow (find contact, add to sequence, track engagement) without switching tools
Sales team that needs accurate data and already has outreach tools (Outreach, SalesLoft) Lusha Highest accuracy rates reduce bounces and protect sender reputation; strong integrations with Outreach and SalesLoft (reveal contact, push to sequence); GDPR compliance is strongest (important for EU prospecting); less feature overlap with existing tech stack
Solo founder or small team with limited budget Apollo.io Free tier is the most generous; includes basic sequencing; Chrome extension works on free plan; can scale up as team grows; replaces multiple tools (data + outreach + basic CRM)
Recruiting team sourcing candidates Lusha Chrome extension works on LinkedIn Recruiter and other recruiting platforms; accurate personal email and mobile phone for candidates; GDPR compliance important for candidate data; Bullhorn integration for staffing agencies
Revenue operations / data team enriching CRM at scale Apollo.io or Lusha Apollo: bulk enrichment, API access, large database for high match rates; Lusha: API access, CRM enrichment features, higher accuracy means fewer bad records imported
Team that needs the largest possible database (niche industries, unusual titles) Seamless.AI Largest claimed database; real-time search may find contacts not in static databases; useful when Apollo and Lusha return no results for a specific person or company

Integration with Email Extractor

These platforms and Email Extractor serve different purposes and complement each other:

Scenario Tool to use Why
You need to find the email address of a specific person at a specific company Apollo, Lusha or Seamless.AI These platforms search their databases for contact information you do not already have
You have files (CSV exports, downloaded web pages, PDFs, spreadsheets) that contain email addresses mixed with other data Email Extractor Email Extractor pulls email addresses out of files you already possess and deduplicates them; it does not search external databases
You exported contacts from Apollo/Lusha/Seamless.AI and another source and need to merge and deduplicate Email Extractor Upload all export files to Email Extractor to get a single deduplicated list across all sources
You downloaded a trade show exhibitor list, conference attendee directory or industry association member page Email Extractor Extract emails from the downloaded HTML or PDF; then optionally enrich with Apollo/Lusha/Seamless.AI for missing phone numbers or company data

Decision Framework

Question If yes, consider
Do you need outreach (email sequences) built into the same tool as your contact database? Apollo.io (strongest built-in sequencing)
Is data accuracy your top priority, and you already have separate outreach tools? Lusha (highest accuracy rates; less feature overlap)
Do you prospect heavily in the EU and need strong GDPR compliance? Lusha (ISO 27701 certified; strongest compliance posture)
Are you a solo operator or small team on a tight budget? Apollo.io (most generous free tier; all-in-one reduces tool count and cost)
Do you need to find contacts in niche industries where other databases return no results? Seamless.AI (largest claimed database; real-time search may surface contacts not in static databases)
Do you have files containing email addresses that need extraction and deduplication? Email Extractor (client-side extraction from 19 file types; free; no account required)

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