We Tried & Compared 8 Seamless AI Alternatives (Our Review)
We Tried & Compared 8 Seamless AI Alternatives (Our Review)
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Last updated:
February 26, 2025
Christian Bonnier
Co-Founder at ListKit and Cold Email Expert | 1M+ cold emails sent $5M+ revenue generated through cold outreach. Live in Tampa, love hockey, and Author of One Connection Away.
Is Seamless.AI leaving you feeling... not so seamless? You’re not alone.
Despite its powerful tools, common complaints about data accuracy, limited onboarding resources, and occasional glitches have left many users searching for better options.
By the end of this review, you’ll discover:
The top Seamless.AI alternatives
Side-by-side comparisons of features, pricing, and user feedback
The best fit for your unique business needs
Let’s dive in!
In a Hurry? Switch to the Best Seamless AI Alternative Today!
See how we stack up against Seamless AI with a 7-day trial and 50 Triple-Verified leads with ListKit - The simplest way to get instant access to decision-makers you can't find anywhere else (no card required).
Best for: Growth-obsessed sales teams, marketing agencies, and enterprise companies prioritizing fast and accurate B2B lead generation without compromising cost efficiency.
Watch a 1-minute demo from our co-founder Christian here:
Alright, we might be a little biased, but ListKit was built by 7-figure cold outreach pros with one mission: to make outbound campaigns insanely successful. Since launching in 2024, it’s become a go-to for B2B lead generation, offering Triple-Verified leads, a 626M+ contact database, advanced filters, and a credit-based pricing model—perfect for sales teams and agencies needing reliable, cost-effective data.
Oh, and we scaled past $1.5M ARR in just 90 days using our own platform. No wonder we’ve got a 4.9 rating from 300+ glowing reviews! Here’s why:
Why teams ❤️ ListKit over tools like Seamless AI
Triple-Verified Contact Lists: Every email and phone number is triple-checked before they're ready for export from our 626M+ contact database. ListKit ensures sales teams work with accurate, reliable data. Say goodbye to bad emails and wasted outreach.
Cost-Effective and Scalable: Designed with aggressive growth in mind, ListKit’s flexible, credit-based pricing offers exceptional value, letting you scale campaigns efficiently without breaking the budget. Our users have added $10,000s to their bottom line at a fraction of the cost versus our competitors.
World-Class Support & Coaching: From onboarding calls to personalized list-building sessions and weekly coaching calls, ListKit’s hands-on support ensures you get the most out of the platform. Need help? A real person is just a Zoom call or Slack message away.
🏆 Key features that make ListKit #1 Seamless.AI Alternative
Triple-Verified database: Unlike Seamless.AI’s incorrect or outdated contact information, ListKit’s 626M+ contact database undergoes a Triple-Verification process, ensuring you only pay for confirmed, deliverable emails and phone numbers.
ListKit's lead verification
Proactive customer support: While Seamless.AI struggles with response times, ListKit provides weekly coaching with 7-figure entrepreneurs and a vibrant community for actionable advice and real-time strategy sharing.
Intuitive interface: ListKit provides an easy-to-use, glitch-free platform, avoiding the lags and technical issues users experience with Seamless.AI’s Chrome extension or bulk actions.
Advanced intent tracking: Track prospect engagement and interest with customizable filters to target high-intent leads, ensuring your outreach aligns with real buyer behavior.
Comprehensive market insights: Visualize your total addressable market with detailed pie charts, bar graphs, and maps, revealing industry breakdowns, key roles, geographic reach, company size, revenue, intent, and audience demographics like age and gender.
ListKit pricing
Offers a 7-day free trial with 50 included leads. Pricing starts at $97 for 2,000 Triple-Verified email credits and 100 phone number credits.
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What ListKit users had to say after the switch... 🤫
"ListKit is better than Apollo” - Benjamin, a small business owner on G2, said, “ListKit has an amazing data visualization feature, a super simplistic UI, and really high data quality. You can't even compare a platform like Apollo to such a gem like ListKit.”
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"It was much easier to use than Apollo or any other lead scraper I've used.” They've made the UI so incredibly simple that it takes little to no time to get started.” - Harry, Founder & CEO
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"I've been using other lead list software from Apollo, Lusha, Seamless, Sales Navigator, and more, including GMB scrapers.” ListKit has made both the interface and finalized pulled list simple, easy to understand, non-data heavy, and ready to sell to. The customer service is quick and helpful.” - One ListKit user in marketing & advertising
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"10x easier to use than Apollo or any other software I've used so far. 10/10 recommend.” - A ListKit user in the marketing and advertising space.
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Cognism, founded in 2015, is a trusted sales intelligence platform for 3,000+ revenue teams. Targeted at sales, marketing, and revenue teams, Cognism's core features include GDPR-compliant contact data, advanced filtering, real-time enrichment, and exclusive mobile accuracy with Diamond Data®.
Key features
European-focused, GDPR-compliant database: Unlike Seamless.AI, Cognism excels in European markets, offering the most accurate, GDPR and CCPA-compliant contact data.
Phone-verified mobile numbers: Cognism's phone verification provides 87% accuracy for mobile numbers, reducing wasted outreach efforts.
DNC list filtering: Unlike Seamless.AI, which lacks DNC list filtering, Cognism cross-references data against DNC lists in 12 countries, ensuring legal compliance and better outreach success in global markets.
Considerations
Limited customer support: Users mention slow and inefficient customer service, which sometimes requires lengthy email chains for simple issues.
Limited export capabilities: Exporting leads can take time, as users can only copy a limited number of leads at a time.
Cognism pricing
Cognism's pricing details are not entirely transparent, but Vendr reports that annual contracts typically range from $15,100 to $103,000, with Platinum plans beginning at $1,500 and Diamond plans at $2,550.
Apollo, founded in 2015, is a trusted B2B platform with 10,000+ customers. It provides accurate contact data, lead generation, sales engagement tools, and CRM integration, streamlining prospecting and boosting sales pipeline efficiency.
Key features
Extensive contact database: Access to a living database of over 275 million contacts, offering high-quality data and CRM enrichment.
Advanced prospecting filters: Over 65 precise filters to refine searches within the massive contact database, plus customizable customer personas for better prospect targeting. A Buyer Intent feature helps identify active interest.
Comprehensive workflow integration: Apollo centralizes outbound channels (email, calls, LinkedIn) with features like A/B testing and a built-in dialer, providing a smoother experience.
Considerations
Complex user interface: The platform can be challenging to navigate, with a steep learning curve and non-intuitive workflows.
Integration limitations: Problems with CRM integrations and limited support for non-mainstream tools like Zoho CRM.
Apollo pricing
Apollo offers a free plan, with paid tiers starting at $59/user/month for the Basic plan, $9
9/user/month for the Professional plan, and $149/user/month for the Organization plan.
ListKit is better than Apollo. ListKit has an amazing data visualization feature, a super simplistic UI, and really high data quality. You can't even compare a platform like Apollo to such a gem like ListKit.
ZoomInfo supports over 35,000 businesses with accurate contact data and insights. Its features include advanced search, lead intelligence, behavior tracking, and CRM integration, optimizing B2B sales, marketing, and recruiting for accelerated growth.
Key features
Extensive database: ZoomInfo provides 321M contacts, 104M companies, 174M emails, and 94M mobile numbers, offering accurate and current data for sales and marketing teams.
Visitor tracking: Gain real-time insights into potential leads, allowing for timely and targeted engagement with interested prospects.
Conversation intelligence: Chorus analyzes calls and emails, delivering actionable insights to enhance sales strategies and improve conversation quality.
Considerations
Data inaccuracies: Users frequently encounter outdated or incorrect contact information, particularly outside the U.S. (e.g., UK, APAC).
Limited support: Customer service often needs to be more responsive, with slow resolution times and limited help for technical issues.
ZoomInfo pricing
ZoomInfo’s pricing is not disclosed publicly and requires contacting their sales team. Sources like UpLead and SalesIntel indicate annual plans start at $14,995 for Professional, $24,995 for Advanced, and $39,995 for Elite, with a free trial available.
“I've used ZoomInfo Elite ($3000+) and still need to run contacts through neverbounce. On the first day I got ListKit I booked a meeting within the first hour of use. It already paid for itself.”
RocketReach, founded in 2016, serves over 21 million users with advanced search filters, accurate data, and CRM integrations. It’s a trusted tool for sales, marketing, and recruiting, enhancing lead generation and recruitment efficiency.
Key features
Extensive contact database: Offers access to 700 million profiles, 60 million companies, and 150 million phone numbers, enabling connections with key decision-makers.
Verification tools: Integrated email and phone verification ensures accurate, reliable contact details, improving the quality of leads.
Advanced search options: Precision targeting with filters for job title, location, company, and industry enhances lead generation and sales strategies.
Considerations
High cost: The pricing is considered expensive, especially for small businesses, and there have been complaints about the value provided relative to the cost.
Limited contact information: Some users find that RocketReach often lacks phone numbers and company details, or provides inadequate information for lead generation.
RocketReach pricing
RocketReach offers three pricing plans: Essential for $70/month, Pro for $140/month, and Ultimate for $300/month. Although a free trial isn’t available, users can sign up for a free account with limited features.
Launched in 2017, UpLead is one of the top Seamless.AI competitors, offering over 160M verified contacts across 200+ countries. Its real-time email verification ensures data accuracy, minimizing bounce rates and improving lead generation and sales performance.
Key features
Bulk data enrichment: Enrich and download contact databases with comprehensive data, including company size and tech stack, to streamline the lead generation process and improve data management.
Advanced search filters: Utilize over 50 advanced search filters to target qualified leads by job title, industry, revenue, location, and technographics, enhancing outreach campaigns and sales outcomes.
Technographic insights: Access 16,000+ technographic data points to identify sales leads based on a company’s tech stack, supporting tailored sales strategies and professional email addresses for cold email campaigns.
Considerations
Niche lead limitations: Although UpLead provides access to mobile phone numbers, some users have noted a shortage of leads in specific niches, particularly when targeting smaller companies.
Data accuracy and freshness: Some users report outdated leads, impacting the lead generation process and data quality for outreach campaigns.
UpLead pricing
UpLead provides a 7-day free trial, with the Essentials plan starting at $99/month and the Plus plan available for $199/month.
Founded in 2013, Clearbit is a B2B data provider offering verified emails, mobile phone numbers, and company profiles. With GDPR/CCPA compliance and seamless CRM integrations, it delivers 389M contacts and 50M profiles, updated every 30 days.
Key features
Sales and marketing insights: Clearbit delivers advanced sales tools and prospect behavior insights, helping businesses design impactful outreach campaigns.
Clearbit Reveal: Uses domain search and intent signals to identify anonymous website visitors, offering qualified leads and enabling teams to connect with untapped prospects.
Lead scoring and prioritization: Evaluates company data and engagement metrics to focus on high-potential sales leads, streamlining the lead generation process.
Considerations
Data accuracy: Users occasionally report inaccuracies, particularly with private company information.
Ease of use: Clearbit’s interface can be difficult for new users. Streamlining the design and enhancing support could enhance user experience and drive adoption.
Clearbit pricing
Clearbit Enrichment costs $99/month, and Clearbit Prospector begins at $999/month. A free trial is available.
Lusha is a B2B contact platform offering precise leads, advanced search capabilities, and seamless CRM integration. Its data enrichment, real-time updates, and Chrome extension simplify cold email campaigns and improve sales and marketing efficiency for sales professionals.
Key features
Robust contact database: Access 45 million direct contacts in North America, 50 million enterprise profiles, and 21 million European contacts, ensuring comprehensive data for outreach campaigns.
Targeted prospecting: Create tailored prospect lists of up to 1,000 leads using advanced search filters and export them seamlessly to your CRM.
Data privacy and security: Lusha ensures secure data management with ISO 27701 certification and GDPR/CCPA compliance, maintaining top-tier privacy standards.
Considerations
Data accuracy: Although Lusha is recognized for reliable data, some users have reported encountering outdated email addresses and phone numbers.
Geographic data integration: Users suggest incorporating location details from LinkedIn profiles alongside contact information to provide more comprehensive insights.
Lusha pricing
A free trial is offered. The Pro plan costs $49/user/month with added features, the Premium plan at $79/user/month provides advanced tools, and the Scale plan offers custom pricing for larger teams or specific needs.
“I've been using other lead list software from Apollo, Lusha, Seamless, Sales Navigator, and more, including GMB scrapers. ListKit has made both the interface and finalized pulled list simple, easy to understand, non-data heavy, and ready to sell to. The customer service is quick and helpful.”
Try the #1 Seamless.AI Alternative Today – ListKit
To sum up, choosing the right ZoomInfo alternative depends on your business needs—be it data accuracy, ease of use, or budget considerations.
Why Choose ListKit?
Triple-Verified Leads: Delivers highly accurate data, reducing time and resource inefficiencies.
Exceptional Support: Offers personalized onboarding, coaching sessions, and access to a Slack community of 1,000+ members.
Budget-Friendly Plans: Designed to cater to small teams and growing businesses with cost-effective options.
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[ListKit] is my favorite source of leads
“Their search interface is very easy to use. I can drill down to exactly the sorts of leads myself and my clients want to prospect for… Customer service is great, and the no-cost onboarding/training call was incredibly helpful. I use ListKit regularly to prospect and generate lead lists for my outbound sales.”
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