Alternatives

Top 5 Seamless.AI Alternatives in 2026

Frustrated with data accuracy or credit limits? Compare the best Seamless.AI alternatives for B2B prospecting and account intelligence.

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4.8 rating on G2

At a glance

How Seamless.AI Alternatives Compare

Side-by-side comparison of the key capabilities that matter most.

Feature	Salesmotion	Apollo.io	ZoomInfo	Lusha	Cognism
Account Intelligence	AI briefs from 1,000+ sources	Basic firmographics & technographics	Firmographics, technographics & org charts	Company overview & firmographics	Company profiles with EMEA focus
Contact Data Quality	Verified contacts with account context	275M+ contacts, improving accuracy	321M+ contacts, industry-leading accuracy	150M+ profiles, strong direct dials	400M+ phone-verified profiles
Buying Signals	50+ signal types, 24/7 monitoring	Job changes & funding alerts	Intent data & company news alerts	Job change alerts only	Bombora intent + sales triggers
Sales Engagement	AI-drafted outreach with research context	Built-in sequences + dialer	ZoomInfo Engage (add-on)	No native sequencing	No native sequencing
CRM Integration	Salesforce & HubSpot sync (Enterprise plan)	Salesforce, HubSpot & Pipedrive	Deep Salesforce & HubSpot integration	Salesforce, HubSpot & Pipedrive	Salesforce & HubSpot
Pricing Model	From $85/mo (account-based, unlimited users on team plans)	Free tier; paid from $49/mo per user	Custom pricing from ~$15,000/year	Free tier + plans from $36/mo per user	Custom pricing (per seat)
Setup Time	Live in minutes	Quick setup with onboarding wizard	Moderate (enterprise onboarding)	Browser extension, instant start	Moderate setup with training
Best For	Account intelligence & signal-based selling	Outreach sequences + contact data	Enterprise contact databases at scale	Quick contact lookups via extension	GDPR-compliant European prospecting

Why teams switch from Seamless.AI

Seamless.AI made a name for itself by offering a real-time contact search engine that uses AI to find and verify emails and phone numbers on the fly. Its pitch is compelling: instead of a static database, the platform searches the web in real time to surface contact details. For individual reps doing high-volume prospecting, this approach can work well when the data is accurate.

However, data accuracy is the most common reason teams leave Seamless.AI. Many users report bounce rates and invalid phone numbers that undermine outreach campaigns. The credit-based pricing model also frustrates teams at scale — every search consumes credits regardless of whether the returned data is usable, and upgrading for more credits gets expensive quickly. Beyond contacts, Seamless.AI offers limited account intelligence: there are no buying signals, no AI-generated account research, and no way to understand what a company is doing beyond basic firmographics.

The best Seamless.AI alternatives in 2026 address these gaps from different angles. Some offer higher-accuracy contact databases with verified direct dials, others provide deep account intelligence and buying signals that go far beyond contact data, and others combine prospecting with built-in sales engagement. Here are the top five alternatives worth evaluating.

Detailed Breakdown

Best Seamless.AI Alternatives

An in-depth look at each platform, including features, pricing, and limitations.

Salesmotion

Our Pick

G2: 4.8/5

Salesmotion takes an account-first approach rather than Seamless.AI's contact-first model, focusing on account intelligence instead of contact-level prospecting. While Seamless.AI helps you find phone numbers and emails, Salesmotion helps you understand the full context of an account — what the company is doing, what they care about, and when the timing is right to engage.

The platform monitors over 1,000 sources to surface 50+ types of buying signals, generate AI research briefs, and create personalized talking points for every account in your territory. This means your reps do not just have a name and number — they have the context needed to have a relevant conversation. Teams that switch from Seamless.AI often report that fewer, better-informed touches outperform the high-volume approach that contact-only tools enable.

Best for:Teams that need account intelligence and buying signals to drive relevant, high-converting outreach

Key Features

AI-generated account briefs from 1,000+ sources
50+ buying signal types (leadership changes, funding, earnings, tech adoption)
Personalized talking points and outreach drafts anchored to real research
Salesforce and HubSpot integration (Enterprise plan)
Account-based pricing with no per-seat limits on team plans
Territory-wide monitoring across all your accounts

Limitations

No built-in email sequencing or dialer (complements your existing sales engagement tool)
Smaller contact database — focused on intelligence over volume
No free tier or credit-based trial

Pricing: From $85/mo — flexible account-based pricing, unlimited users on team plans

4.8 rating on G2 Book a demo

Apollo.io

G2: 4.8/5Visit site

Apollo.io is one of the most popular Seamless.AI alternatives because it offers a similar value proposition — large contact database plus outreach tools — but with a more mature platform and better-integrated engagement features. Its 275M+ contacts come with built-in email sequences, a dialer, and AI-assisted messaging, all at an accessible price point.

For teams frustrated with Seamless.AI's data accuracy, Apollo's verification processes have improved significantly. Its free tier is generous (10,000 email credits/month), making it easy to test before committing. The main trade-off compared to Seamless.AI is that Apollo uses a static database rather than real-time search, though it updates regularly.

Best for:Teams wanting outreach sequences and contact data in one affordable platform

Key Features

275M+ contacts with email verification
Built-in email sequences and dialer
AI-assisted email personalization
Chrome extension for LinkedIn prospecting
Salesforce, HubSpot, and Pipedrive integrations
Generous free tier with 10,000 email credits/month

Limitations

Data accuracy issues with direct dials and international numbers
Limited account intelligence beyond basic firmographics
Per-seat pricing escalates quickly for larger teams

Pricing: Free tier available. Paid plans from $49/mo per user (Basic) to $119/mo per user (Organization)

ZoomInfo

G2: 4.4/5Visit site

ZoomInfo is the enterprise-grade alternative for teams that have outgrown both Seamless.AI and mid-market tools. With 321M+ contacts, verified direct dials, detailed org charts, and intent data, ZoomInfo provides a level of data breadth, depth, and accuracy that Seamless.AI cannot match. Its engagement platform and conversation intelligence add-ons make it a full-stack revenue intelligence solution.

The trade-off is price and complexity. ZoomInfo requires enterprise budgets and dedicated onboarding, but for teams where data quality directly impacts revenue, the investment often pays for itself through higher connect rates and more efficient prospecting.

Best for:Large enterprises needing the most comprehensive and accurate B2B contact database

Key Features

321M+ contacts with verified emails and direct dials
Org charts and reporting structure data
Proprietary intent data signals
ZoomInfo Engage for sequencing and calling
Advanced firmographic and technographic filters
Chorus conversation intelligence (add-on)

Limitations

Expensive per-seat pricing that scales quickly with team growth
Long-term contracts with difficult cancellation terms
Complex setup requiring dedicated onboarding and training
Data freshness can vary across less-tracked companies

Pricing: Custom enterprise pricing, typically $15,000-25,000+/year depending on team size and modules

Lusha

G2: 4.3/5Visit site

Lusha is the most straightforward Seamless.AI alternative for reps who primarily need reliable contact data through a simple workflow. Its browser extension lets you pull up verified emails and direct dials while browsing LinkedIn or company websites, and many users report better accuracy on phone numbers compared to Seamless.AI, especially for direct dials.

Lusha has expanded into a full prospecting platform with company search, list building, and bulk enrichment. It is ISO 27701 certified and GDPR compliant, making it a strong choice for teams with data privacy requirements. The free tier makes it easy to test data quality before committing.

Best for:Individual reps and small teams wanting reliable contact data with a simple browser extension

Key Features

High-accuracy browser extension for LinkedIn contact lookup
150M+ business profiles with direct dials and emails
Prospecting platform with company search and list building
Bulk enrichment and CRM data hygiene tools
ISO 27701 certified and GDPR compliant
Free tier with monthly credits

Limitations

No built-in sales engagement features (no sequences or dialer)
Credit-based model limits heavy usage without upgrades
Limited account intelligence and buying signal capabilities
Smaller database than ZoomInfo or Apollo

Pricing: Free plan available. Pro from $36/user/month. Premium from $59/user/month. Scale pricing is custom

Cognism

G2: 4.6/5Visit site

Cognism is the best Seamless.AI alternative for teams selling into European markets. Its Diamond Data offering provides phone-verified mobile numbers with high accuracy — a direct answer to the data quality issues that drive teams away from Seamless.AI. Cognism was built with GDPR compliance at its core, which is increasingly important for teams that prospect internationally.

The platform includes Bombora-powered intent data, sales trigger events, and a Chrome extension. For teams that need reliable European phone numbers and GDPR confidence, Cognism fills the gap that both Seamless.AI and US-focused competitors leave open.

Best for:European-focused teams needing GDPR-compliant phone-verified contacts

Key Features

Phone-verified mobile numbers (Diamond Data) with high accuracy
GDPR-first data collection and compliance
Bombora-powered intent data included in most plans
Sales trigger events (job changes, funding, hiring)
Chrome extension for LinkedIn prospecting
Strong EMEA and DACH region coverage

Limitations

Weaker North American data coverage compared to Apollo or ZoomInfo
No built-in email sequencing or dialer
Higher price point with annual contracts required
Limited account intelligence beyond basic company profiles

Pricing: Custom pricing per seat, starting approximately $15,000/year for small teams

Customer Story

How Cacheflow reduced prep time by 60% and tripled deal sizes

60%

less prep time

deal sizes

Hours

saved per week

“The moment we turned on Salesmotion, it became essential. No more hours on LinkedIn or Google to figure out who we're talking to. It's just there, served up to you, so it's always 'go time.'”

Adam Wainwright

Head of Revenue, Cacheflow

Read the full case study

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Salesmotion replaces hours of manual research with real-time account intelligence your reps can use today.

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Product

See Salesmotion in Action

Salesmotion global signal feed showing real-time buying signals across monitored accounts — Real-time buying signals across your entire territory — no manual research needed.

Salesmotion account contacts view showing verified contact data with full account context — Verified contacts enriched with deep account intelligence and buying signals.

FAQ

Frequently Asked Questions

Why do teams switch from Seamless.AI?

The most common reasons are data accuracy issues (invalid emails and phone numbers that waste outreach efforts), credit-based pricing that gets expensive at scale, and the lack of account-level intelligence. Seamless.AI is designed for contact lookups, but teams that need buying signals, account research, or territory monitoring find they need additional tools — or a platform that combines intelligence with data.

Which Seamless.AI alternative has the most accurate contact data?

ZoomInfo generally leads for overall data accuracy in North America, while Cognism is the accuracy leader for European phone numbers through its phone-verified Diamond Data. Apollo has improved significantly and offers good accuracy at a lower price point. Salesmotion takes a different approach by focusing on account intelligence and buying signals rather than competing on contact database size.

Are there Seamless.AI alternatives without credit-based pricing?

Yes. Salesmotion uses account-based pricing with unlimited users on team plans — no credits or per-contact charges. ZoomInfo and Cognism use seat-based pricing with data access included. Apollo's paid plans include generous monthly email and export credits. Lusha still uses a credit model but offers a free tier to start.

Can I get account intelligence from a Seamless.AI alternative?

Seamless.AI provides minimal account intelligence beyond basic company information. Salesmotion is the strongest alternative for account intelligence, with AI-generated briefs from 1,000+ sources, 50+ buying signal types, and personalized talking points. ZoomInfo offers firmographic and technographic data plus intent signals. Apollo and Lusha provide basic firmographics but limited account-level insight.

Do Seamless.AI alternatives integrate with Salesforce and HubSpot?

Yes, all five alternatives listed here integrate with Salesforce and HubSpot. Salesmotion offers native CRM sync on its Enterprise plan. ZoomInfo provides deep bidirectional CRM integration. Apollo, Cognism, and Lusha each support major CRMs through native connectors, and most also offer API access for custom integrations.

Related Comparisons

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Apollo vs Salesmotion ZoomInfo Alternatives Apollo Alternatives Lusha Alternatives

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