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Picture of The PhantomBuster TeamBy The PhantomBuster Team
February 20, 20256 min read

13 Best Seamless.AI Competitors and Alternatives For Accurate Contact Data

Accurate data to enrich your prospecting list shouldn't be expensive. There's better alternatives to Seamless.AI.

Are you looking for alternatives to Seamless.AI?

While it's a well-known platform for B2B lead generation and contact verification, there are several data enrichment tools to consider.

Each prospecting tool offers unique features—from browser extensions for quick email lookups to databases with millions of verified contacts.

Seamless AI competitors highlight

Tool

Key Features

Best For

Free Trial

Pricing

PhantomBuster

Real-time data extraction, Multi-platform support, Automation workflows

Data automation & extraction

Yes

$56 per month, billed annually

ZoomInfo

B2B database, Direct dials, Intent signals

Enterprise prospecting

No

Not publicly available

Apollo.io

Contact database, Email sequences, Engagement tools

All-in-one sales solutions

Yes

$49 per month, billed annually

Lusha

Chrome extension, Mobile numbers, List enrichment

LinkedIn prospecting

Yes

$37.45 per month, billed annually

Cognism

European data, GDPR tools, Sales engagement

European markets

No

Contact Cognism directly to discuss pricing options

LeadIQ

Bulk capture, CRM sync, Team sharing

LinkedIn prospecting

Yes

$36 per month, annual billing

Kaspr

LinkedIn support, Email finder, EU coverage

European prospecting

Yes

$46.03 per month, annual billing

UpLead

Real-time verification, Tech data, Credit rollover

Contact accuracy

Yes

$99 per month

Hunter.io

Email patterns, Domain search, Verification

Email finding

Yes

$34 per month

Lead411

Trigger events, Company details, Tech tracking

Sales intelligence

Yes

$99 per month, per user

Clearbit

API enrichment, Company data, Integration

Enterprise enrichment

No

Contact Clearbit directly to discuss pricing options

RocketReach

Multiple contacts, Social profiles, Job data

Contact research

Yes

$48 per month, billed annually

6sense

Intent prediction, Account scoring, Behavior tracking

Enterprise ABM

No

Not publicly available

1. PhantomBuster

With PhantomBuster, you can automate sales prospecting and get data extraction and enrichment. Instead of relying on static databases, you can extract real-time information from LinkedIn and Sales Navigator.

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Key features

  • Real-time data extraction from professional networks

  • Multi-platform support (LinkedIn, Twitter, Instagram, etc.)

  • AI prompts for lead generation and custom automation workflows

  • CRM integration options

  • Email finder and verification tools

  • API access for custom implementations

PhantomBuster vs Seamless.AI

We find that it's useful to compare the two tools like this quickly:

  • PhantomBuster

  • Seamless.AI

    • Pre-built database with regular updates

    • Ready-to-use contact search

    • Primary focus on business contact information

And here's a more detailed comparison:

PhantomBuster

Seamless.AI

Data sources

Social networks, professional software, websites

Proprietary database

Data quality

Real-time extraction, public information

AI-verified contacts

Data availability

Real-time data extraction from LinkedIn and Sales Navigator (+ other platforms)

Instant access

Data privacy and compliance

GDPR-compliant, transparent data collection

GDPR compliant

Automation

Custom workflow builder, scheduled runs

Built-in automation solutions

Ease of use

Technical setup required

User-friendly interface

Integrations

Open API, native CRM connections

Limited CRM integrations

Intent data

LinkedIn actions

Limited

Price

$56 per month, billed annually

Contact for pricing

Pricing

PhantomBuster uses a credit-based system with multiple plan tiers, beginning at $56/month and and including 10,000 AI credits monthly. You can enjoy more execution times, AI credits, and email credits with each upgrade in plan tiers.

Each plan includes specific features like Phantom slots and export capabilities, with higher tiers providing more resources for scaling automation needs.

2. Zoominfo

ZoomInfo is well known among leading Seamless.AI competitors offering reliable B2B contact information. The system's database contains millions of verified business contacts, phone numbers, company websites, and detailed org charts.

Screenshot_2024 10 03_at_11.17.26

Key features

  • Super-specific search filters to find exactly who you need

  • Verified phone numbers and email addresses

  • Company org charts showing who reports to whom

  • Buying signals from target accounts

  • Deep company research tools

  • Info about what tech companies use

Zoominfo vs Seamless.AI

  • ZoomInfo

    • Massive database built over years

    • Loads of direct phone numbers

    • Tons of extra business details

  • Seamless.AI

    • Strong email accuracy

    • Real-time verification approach

    • Straight-to-the-point company basics

Pricing

ZoomInfo provides three subscription tiers: Professional, Advanced, and Enterprise, with annual contracts. The Professional plan includes basic contact features, while higher tiers add intent data, org charts, and AI insights.

Screenshot_2024 04 23_at_14.18.42

3. Apollo.io

Sales leads love the contact database tool Apollo.io because it mixes contact information with sales engagement features.

SDR sales professionals like Apollo for its straightforward interface and handy Chrome extension that pulls contact details while browsing online directories.

Screenshot_2025 03 27_143933

Key features

  • Database of 265+ million contacts

  • LinkedIn prospecting extension

  • Email sequences and tracking

  • Built-in sales engagement solutions

  • Auto-verification of contact details

  • Advanced search filters for account targeting

Apollo.io vs Seamless.AI

  • Apollo.io

    • All-in-one prospecting and outreach

    • Generous free tier available

    • Built-in email sequences and engagement

  • Seamless.AI

    • Pure contact information software

    • Limited trial only

    • Contact data-focused

Pricing

Apollo.io offers a free tier with 1,200 yearly credits and basic features. Monthly paid options range from $49 for Basic to $119 for Organization-level access.

Screenshot_2025 03 27_144040

4. Lusha

The Lusha Chrome extension makes it easy to find B2B contact information on LinkedIn.

Sales professionals often choose Lusha because it provides more accurate data based on email addresses and phone numbers without complexity.

Screenshot_2024 10 17_110947

Key features

  • Browser extension for quick lookups

  • Mobile phone numbers and direct dials

  • Email pattern finder for companies

  • Basic CRM integrations

  • Bulk enrichment for contact lists

  • Contact sharing within teams

Lusha vs Seamless.AI

  • Lusha

    • Simple point-and-click extension

    • Credit-based system

    • Shows confidence scores

  • Seamless.AI

    • Unlimited searches on paid plans

    • Full platform experience

    • Real-time verification

Pricing

Lusha's free plan provides 70 monthly credits with basic access.

Paid options start at $37.45/month for Pro with 6,000 yearly credits, moving up to Premium at $59.95 monthly with 12,000 credits. Custom plans are also available.

Screenshot_2025 03 24_at_14.35.28

5. Cognism

Cognism connects sales leads to European B2B data through its specialized tools and Chrome extension.

It's great for sales teams targeting EU markets because it combines verified contact information with GDPR compliance.

The platform handles contact discovery and outreach, streamlining international sales processes.

cognism website

Key features

  • Strong European market coverage

  • Mobile and direct dial phone numbers

  • Sales engagement software included

  • Lead qualification AI for lead scoring

  • LinkedIn Chrome extension

  • GDPR-compliant data processing

Cognism vs Seamless.AI

  • Cognism

    • European data specialist

    • Built-in GDPR tools

    • International direct dials

  • Seamless.AI

    • US market focused

    • Standard compliance measures

    • Mainly US numbers

Pricing

Cognism delivers B2B sales intelligence solutions for teams across EMEA, US, and APAC regions. Contact Cognism directly to discuss pricing plans suited to their needs.

image

6. LeadIQ

Sales and marketing teams can use LeadIQ to capture contact info for qualified leads while browsing LinkedIn.

LeadIQ understands how to scrape LinkedIn details ethically while maintaining high accuracy. It integrates seamlessly with CRMs, streamlining prospect data management.

image

Key features

  • Bulk capture from LinkedIn

  • Real-time email verification

  • Direct dial phone numbers

  • CRM synchronization

  • Team contact sharing

  • List building tools

LeadIQ vs Seamless.AI

  • LeadIQ

    • LinkedIn-focused capture

    • Deep CRM sync options

    • Built for team sharing

  • Seamless.AI

    • Multi-source verification

    • Basic CRM connections

    • Individual focus

Pricing

Paid plans begin at $36/month for Essential, scale to $79/month for Pro, and extend to Enterprise with custom pricing for unlimited targeted prospecting up to 10,000 monthly contacts per user.

image

7. Kaspr

Sales teams use Kaspr for its no-nonsense LinkedIn prospecting search capabilities and extension-based workflow.

It combines a simple Chrome browser extension with detailed company insights, making it useful for sales reps who spend most of their time on LinkedIn prospecting.

kaspr website

Key features

  • LinkedIn prospecting extension

  • Email finder and verifier

  • Company employee count tracking

  • Export to CSV function

  • Auto-save prospects to CRM

  • European data coverage

Kaspr vs Seamless.AI

  • Kaspr

    • LinkedIn-centric tool

    • Strong in European markets

    • Simple extension-based workflow

  • Seamless.AI

    • US-focused information

    • Broader data sources

    • Full platform experience

Pricing

Kaspr starts with a free plan offering 15 B2B email and five phone credits monthly. Their Starter plan costs $46.03/month with unlimited B2B emails and 1,200 yearly phone credits.

The Business plan runs $80.83 monthly with higher limits, while Enterprise offers custom pricing with unlimited credits.

image

8. UpLead

With its focus on verified business contacts and tech data, UpLead is a valuable tool that attracts sales and marketing professionals worldwide.

Its real-time email verification and straightforward approach to helping reliable contact information it win over sales leads.

image

Key features

  • Real-time email verification

  • Technology stack overview

  • Company financials data

  • Chrome extension

  • List building solutions

  • Data enrichment API

UpLead vs Seamless.AI

  • UpLead

    • Point-of-download verification

    • B2B contacts and technographics

    • Credit-based with rollover

  • Seamless.AI

    • Continuous verification

    • Pure contact details

    • Unlimited searches

Pricing

UpLead's Essentials plan starts at $99/month with 170 credits, while the Plus plan costs $199/month with 400 credits and advanced features.

The Professional plan requires annual billing and includes custom credits, buyer intent data, and API access.

image

9. Hunter.io

Popular among startups and small teams, Hunter.io specializes in finding and verifying email addresses from company domains.

The solution excels at pattern detection, helping sales teams understand how email addresses are formatted within specific companies.

Screenshot_2024 07 18_at_15.26.33

Key features

  • Domain email pattern search

  • Email verification tools

  • Bulk domain search

  • Google Sheets add-on

  • Cold email templates

  • API access

Hunter.io vs Seamless.AI

  • Hunter.io

    • Email-focused discovery

    • Domain-based research

    • Email-only data

  • Seamless.AI

    • Person-based search

    • Complete contact profiles

    • Full contact information

Pricing

Hunter.io offers a free plan with 25 monthly searches. Paid plans range from $34/month for Starter to $209/month for Scale, with higher search limits at each tier.

All plans include unlimited team members and offer 30% off with annual billing.

image

10. Lead411

With Lead411, sales intelligence takes a detail-heavy turn, focusing on company insights and buying signals.

This software allows sales teams to find prospects based on trigger events like leadership changes, funding rounds, and tech investments.

image

Key features

  • Company trigger events

  • Funding round alerts

  • Tech stack tracking

  • Mobile direct dials

  • LinkedIn integration

  • Salesforce sync

Lead411 vs Seamless.AI

  • Lead411

    • Company events focus

    • Deep company research

    • Trigger-based notifications

  • Seamless.AI

    • Contact updates

    • Contact accuracy focus

    • Contact verification

Pricing

Their Basic Plus Unlimited plan costs $99/month per user with 200 monthly exports and unlimited contact views.

The Enterprise Limited plan offers custom pricing with API access and advanced features like visitor tracking.

image

11. Clearbit

With its powerful API and extensive company intelligence, Clearbit differentiates itself from other sales intelligence platforms.

Besides contact data, it provides detailed company attributes, technographics, and firmographics.

Key features

  • Extensive API capabilities

  • Real-time data enrichment

  • Company intelligence

  • Reverse IP lookup

  • Website visitor information

  • Salesforce integration

Clearbit vs Seamless.AI

  • Clearbit

    • API-first approach

    • Rich company attributes

    • Enterprise customers

  • Seamless.AI

    • Ready-to-use platform

    • Contact-focused information

    • All business sizes

Pricing

Clearbit operates as part of HubSpot through its Breeze Intelligence platform.

They offer B2B data enrichment services, lead scoring, and website visitor intelligence. Customers need to contact their sales team for pricing details.

12. RocketReach

This sales intelligence tool finds hard-to-find email addresses, making it a great contact finder for recruiters and salespeople.

RocketReach is excellent for sales agents because it finds alternate email addresses and social profiles.

image

Key features

  • Multiple email discovery

  • Social profile lookup

  • Phone number finder

  • Chrome extension

  • Bulk lookup solutions

  • Contact export options

RocketReach vs Seamless.AI

  • RocketReach

    • Multiple contact methods

    • Name-based lookup

    • Cross-platform profiles

  • Seamless.AI

    • Professional profiles

    • Business contact focus

    • Role-based search

Pricing

RocketReach offers three tiers with unlimited yearly lookups per user. The email-only Essentials plan starts at $48/month.

The Pro plan adds phone features for $108/month, while the Ultimate plan costs $249/month.

image

13. 6sense

The account intelligence software 6sense identifies buying signals and predicts purchase intent.

Instead of just providing contact info, the platform analyzes digital behavior patterns to spot companies researching solutions. Enterprises use 6sense to time outreach based on prospect buying stages.

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Key features

  • Intent data analysis

  • Account prioritization

  • Predictive modeling

  • Anonymous buyer tracking

  • Custom segments

  • Marketing orchestration

6sense vs Seamless.AI

  • 6sense

    • Intent prediction

    • Enterprise ABM teams

    • Behavioral signals

  • Seamless.AI

    • Contact details

    • Contact discovery

    • Sales teams of all sizes

Pricing

6sense offers an enterprise platform for account-based marketing, sales intelligence, and B2B data solutions.

It provides custom demos tailored to specific business needs and use cases. Interested companies must schedule a demo with their sales team for pricing details.

Seamless.AI competitors FAQs

How much does Seamless.AI cost?

Seamless.AI offers three main pricing tiers. The free plan includes 50 credits and one user with basic features. The Pro plan provides daily credit refresh and optional add-ons; pricing is available through sales. Enterprise plans include unlimited users, custom credits, and full feature access.

Is Seamless.AI or ZoomInfo better?

The choice depends on your needs. Seamless.AI is a good option for teams wanting unlimited contact searches with real-time verification at a lower price point. It's also great for larger companies with a lot of company information and intent signals, but you must contact the team for pricing.

Which Seamless.AI competitor is the best?

Apollo.io and PhantomBuster stand out as leading Seamless.AI competitors, with Apollo's affordable plans and PhantomBuster's strength in real-time data collection. Large enterprises prefer ZoomInfo's extensive database, while European companies prefer Cognism for GDPR compliance. However, the AI-powered features and 24/7 automation set PhantomBuster apart. Try PhantomBuster's free trial today.

Written by
Picture of The PhantomBuster Team
The PhantomBuster TeamFebruary 20, 2025

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