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Best Seamless.AI Alternatives

Seamless.AI publishes no price for Pro or Enterprise. Compare 8 Seamless AI alternatives with published plans from $39 a month, checked October 1, 2026.

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Last updated By Victor Paraschiv

The short answer

The best Seamless.AI alternatives in 2026 are Apollo.io for a database plus built-in sequences ($49 a user a month on annual billing, with a free plan), ZoomInfo for enterprise data and intent (no list price; Vendr reports a $33,500 a year median), Cognism for UK and European mobiles (quote only), UpLead for pay-per-contact data with email and mobile in one credit ($99 a month), and Cleanlist AI, which publishes this page, for teams that want verified emails and phone numbers from one waterfall on a monthly plan ($49 per seat a month). Seamless.AI prices Pro and Enterprise on a sales call. Prices checked October 1, 2026.

10,000+ users, from founders to full sales teams

  • Switched fromZoomInfo
  • Case study
  • HackerOneSwitched fromApollo
  • Switched fromClay
  • Case study
  • Sumo LogicSwitched fromClay
  • Switched fromApollo
  • Case study
  • Switched fromZoomInfo
  • Switched fromZoomInfo

Why do teams look for a Seamless.AI alternative?

Teams shopping for a Seamless.AI alternative usually want one of three things: a published price, a plan they can start and cancel without a sales call, or contact data they can check before they send. Seamless.AI's homepage FAQ says it is free for up to 50 credits and sends larger buyers to its sales team, and its pricing URL now redirects to a demo form (read October 3, 2026). Its pricing page, as read on September 1, 2026, said one credit covers a phone number and an email.

Seamless.AI describes itself as a real-time search engine for B2B contacts. Reps mostly use it through a Chrome extension, and it now also sells emailing, a built-in dialer, AI agents and an MCP server. It suits reps who look people up one at a time all day. A team that wants a fixed monthly cost, a CRM-ready list in bulk, or numbers it can compare across vendors has more choice now than when Seamless.AI built its following.

6 of the 8 tools below publish a dollar price. Each one wins a specific team, named in the picks further down.

How much do Seamless.AI alternatives cost?

The entry price of every tool on this list, from each vendor's own pricing page. Cleanlist AI starts at $49 per seat a month, and every seat adds its credits to one balance the whole team shares.

Starting priceVerified Oct 3, 2026 · re-verified monthly
Starting price, free tier, contract and notes for every tool on this list
ToolStarting priceFree tierContractNotes
Cleanlist AI$49/seat/moFree plan, 50 credits/moMonthlyPro $89/seat/mo. Every seat's credits go into one shared balance. 25% off annual
Seamless.AINo list priceFree plan, 50 creditsSales-ledFree up to 50 credits; paid plans quoted. /pricing redirects to a demo form (2026-10-03)
Apollo.io$49/user/mo (annual)Free plan, 900 credits/yrMonthly or annualProfessional $79, Organization $119 (3-user minimum), annual rates. Read Oct 1, 2026
ZoomInfoNo list priceZoomInfo Lite, 10 credits/moAnnual upfront is standardVendr median $33,500/yr across 1,571 purchases (Feb 2026)
CognismNo list priceNoQuoteStandard and Pro, 5 seats included. Read Oct 1, 2026
UpLead$99/mo ($74 annual)7-day trial, 5 creditsMonthly or annualEssentials, 170 credits. Read Oct 1, 2026
ContactOut$49/moFree plan, 5 emails + 5 phones/dayMonthly or annualEmail plan, sale price. Email + Phone $99/mo. Read Sep 22, 2026
Kaspr$49/user/mo (annual)Free plan, 15 email + 5 phone credits/moMonthly ($65) or annualStarter. Read Oct 1, 2026
Snov.io$39/moTrial, 50 credits, renews monthlyMonthly or annualStarter, 1,000 credits. Phones via tokens. Read Oct 1, 2026

Which features does each Seamless.AI alternative include?

Each row is a tool and each column a capability. We checked every tick and dash against the vendor's own pricing or product page on September 1, 2026. If a vendor doesn't say, the cell reads “Not published”.

Capability check8 tools · 6 capabilities
Which capabilities each tool publishes
ToolEmail dataPhone dataCRM integrationChrome extensionAPI accessFree tier
Cleanlist AIYesYesYesYesYesYes
Apollo.ioYesYesYesYesYesYes
ZoomInfoYesYesYesYesYesYes
CognismYesYesYesYesYesNo
UpLeadYesYesYesYesYesNo
ContactOutYesYesYesYesYesYes
KasprYesYesYesYesYesYes
Snov.ioYesYesYesYesYesYes

Published and checkedNot offeredNot published by the vendor

What Cleanlist AI runs for you.

One sentence to Clu builds an agent. Every Monday it finds 500 new people who match your ICP in 1B+ profiles, gets their emails and phone numbers from 25+ providers, verifies them, adds them to your sequence and posts the run to Slack. Every capability below is in the 14-day Pro trial.

Clu and agents

Tell Clu the job. An agent runs it every week and posts the run to Slack.

  • GTM agent you talk to. Clu, in the app (⌘J) and in Slack
  • Agents on a schedule or a CRM trigger. Weekly, daily or the moment a CRM record changes
  • Runs and approvals in Slack. Every run posts to a channel, a DM or your inbox
  • AI research and qualification per lead. Research and Qualification skills, 5 credits a lead
  • ICP scoring. Fit score 0 to 100 with the reasons

Search

Search 1B+ profiles for free. Pay only for the contacts you enrich.

  • People search. 1B+ profiles, and search is free
  • Company search. Industry, headcount, funding stage, location
  • Chrome extension. LinkedIn, Sales Navigator, Salesforce and HubSpot

Enrich and verify

25+ providers in one waterfall. A lookup that finds nothing costs nothing.

  • Waterfall enrichment. 25+ providers, stops at the first verified result
  • Verified work emails. 98% on the 500-lead benchmark, 1 credit each
  • Phone numbers. 85% on the same benchmark, 10 credits each
  • Email verification. Syntax, DNS, MX, SMTP and catch-all checks
  • A miss is free. 0 credits when nothing comes back

Sequences

Email from your own inbox, LinkedIn steps and call tasks in one sequence.

  • Email sequences. From your own Gmail or Outlook, on every paid plan
  • LinkedIn steps. Visit, invite and message steps
  • Call tasks. Call tasks with an agent-written call script

CRM, MCP and API

Write straight to your CRM, or run Cleanlist AI from Claude and ChatGPT.

  • Two-way CRM sync. HubSpot and Salesforce
  • Push to a sales engagement tool. Salesloft and Lemlist
  • MCP server for Claude and ChatGPT. 30+ tools, from the Starter plan
  • REST API. From the Pro plan

Pricing

Published prices. Every seat adds credits to one shared balance.

  • Free plan. $0, 50 credits a month, up to 3 seats
  • Free trial. 14 days of Pro, 250 credits, up to 3 seats
  • Paid plans from. $49 per seat a month, $37 billed annually
  • Credits shared and rolled over. One team balance, unused credits roll over
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8 best Seamless.AI alternatives in 2026

Compared on data accuracy, price and features.

1. Cleanlist AI: Best for B2B teams under 300 people who want verified emails

Cleanlist AI: B2B teams under 300 people who want verified emails and phone numbers from 25+ providers in one waterfall, paying only for results.

Cleanlist AI publishes this page, so read this entry as the vendor's own. Cleanlist AI runs each lookup through 25+ data providers in sequence and stops at the first verified hit, so one row comes back with a verified work email and a phone number. A verified email costs 1 credit, a phone number 10, search is free and a miss costs nothing. Starter and Pro are self-serve and monthly, and Sequences runs email and LinkedIn steps on every paid plan.

  • Waterfall across 25+ providers
  • Work email and phone number on one row
  • People and Company Search at 0 credits
  • Chrome extension
  • CRM sync on Pro and Enterprise

Strengths

  • 98% verified work emails and 85% phone numbers on our own 500-lead benchmark
  • Published prices, monthly billing and self-serve signup
  • Every seat adds its credits to one shared balance (750 on Starter, 1,500 on Pro)
  • Pay per result: search costs 0 credits and a miss costs nothing

Limitations

  • No built-in dialer today
  • No intent data or technographic filters
  • Smaller brand than Seamless.AI or ZoomInfo, with fewer public reviews

2. Apollo.io: Best for reps and small teams that want a contact database and built-in sequences in one tool

Apollo.io: Reps and small teams that want a contact database and built-in sequences in one tool.

Apollo.io combines a large B2B contact database with sequences, a dialer and mailboxes, and publishes its per-user prices. Apollo is the most common Seamless.AI replacement for a rep who wants data and sending in one tool. In Cleanlist AI's 1,000-lead March 2026 test, Apollo's email match rate was 78%.

  • Large B2B contact database
  • Built-in sequences and dialer
  • Chrome extension
  • Salesforce and HubSpot integrations
  • Free plan

Strengths

  • Data, sequences and dialer in one bill
  • Published prices and a free plan with 900 credits a year
  • Self-serve signup

Limitations

  • Per-user pricing grows with every rep
  • 78% email match rate in Cleanlist AI's 1,000-lead March 2026 test
  • Organization tier needs 3 users on annual billing
See detailed Cleanlist AI vs Apollo.io comparison

3. ZoomInfo: Best for enterprise sales teams that need intent data, org charts and one vendor on an annual contract

ZoomInfo: Enterprise sales teams that need intent data, org charts and one vendor on an annual contract.

ZoomInfo is the enterprise sales intelligence platform: contact data plus buyer intent signals, org charts and deep firmographics, sold through a sales cycle on annual contracts. In Cleanlist AI's 1,000-lead March 2026 test, ZoomInfo's email match rate was 84%.

  • Buyer intent signals
  • Org charts
  • Deep firmographic filters
  • Engagement tools
  • Enterprise CRM integrations

Strengths

  • Deep US enterprise coverage
  • Intent data and org charts for account-based selling
  • 84% email match rate in Cleanlist AI's 1,000-lead March 2026 test

Limitations

  • No published price and no self-serve signup
  • Annual contracts quoted per account
  • More platform than a small SDR team usually uses
See detailed Cleanlist AI vs ZoomInfo comparison

4. Cognism: Best for teams selling into the UK and Europe that need GDPR-compliant data and verified mobile numbers

Cognism: Teams selling into the UK and Europe that need GDPR-compliant data and verified mobile numbers.

Cognism is a sales intelligence platform built around GDPR-compliant data and phone-verified mobile numbers, which it calls Diamond Data. Cognism sells Standard and Pro plans, each with 5 seats included, and quotes the price on a call, like Seamless.AI. The difference is focus: Cognism is built for selling into the UK and Europe.

  • Phone-verified mobile numbers (Diamond Data)
  • GDPR and CCPA compliance
  • Standard and Pro plans, 5 seats each
  • CRM Enrichment add-on
  • Salesforce and HubSpot integrations

Strengths

  • Phone-verified mobiles for EMEA selling
  • Compliance documentation European legal teams ask for
  • 5 seats included on both plans

Limitations

  • No published price and no free plan or trial
  • Sales-led buying
  • Its main strength is Europe, which a US-only team may not use
See the best Cognism alternatives

5. UpLead: Best for small teams that buy a few hundred verified contacts a month and want email

UpLead: Small teams that buy a few hundred verified contacts a month and want email and mobile in one credit.

UpLead sells verified contacts with the email and the mobile direct dial in one credit, and states a 95% data accuracy rate on its pricing page (UpLead's own figure). UpLead publishes its prices and bills Essentials and Plus monthly.

  • Email and mobile in one credit
  • Real-time email verification
  • Chrome extension
  • Salesforce, HubSpot, Zoho, Pipedrive and Dynamics
  • Enrichment and Prospector APIs

Strengths

  • One credit covers email and direct dial
  • Published 95% accuracy claim, UpLead's own figure
  • Monthly billing on Essentials and Plus

Limitations

  • 170 credits a month on Essentials is a small volume
  • Extra credits cost $0.50 to $0.60 each
  • No free plan, only a 7-day trial
See the best UpLead alternatives

6. ContactOut: Best for individual reps and recruiters who look people up from LinkedIn

ContactOut: Individual reps and recruiters who look people up from LinkedIn and want a published monthly price.

ContactOut is a Chrome extension and search tool that finds emails and phone numbers from LinkedIn profiles, used by recruiters and sales reps. ContactOut is the closest match to Seamless.AI's look-someone-up workflow, with prices on the page.

  • LinkedIn Chrome extension
  • Emails and phone numbers
  • Free plan with daily credits
  • Salesforce and ATS integrations on Team
  • API on Team

Strengths

  • Unlimited emails on Email, unlimited emails and phones on Email + Phone
  • Free plan: 5 emails, 5 phones and 5 exports a day
  • Monthly billing

Limitations

  • Exports are capped: 300 a month on Email, 600 on Email + Phone
  • Self-serve plans are 1 user per company
  • The listed prices are marked as a limited-time sale

7. Kaspr: Best for reps who prospect inside LinkedIn and Sales Navigator, especially in Europe

Kaspr: Reps who prospect inside LinkedIn and Sales Navigator, especially in Europe.

Kaspr is a LinkedIn Chrome extension that reveals emails and phone numbers from LinkedIn and Sales Navigator profiles, with its strongest phone coverage in Europe. Kaspr's paid plans include unlimited B2B email credits and a yearly phone credit allowance.

  • LinkedIn and Sales Navigator extension
  • Unlimited B2B emails on paid plans
  • 1,200 phone credits a year on Starter
  • Salesforce, HubSpot and Pipedrive
  • API on Business

Strengths

  • Fast one-profile-at-a-time workflow inside LinkedIn
  • Free plan with 15 email and 5 phone credits a month
  • Unlimited B2B email credits on paid plans

Limitations

  • Per-user pricing
  • LinkedIn-first workflow, weaker for bulk list enrichment
  • Phone credits are capped per year
See the best Kaspr alternatives

8. Snov.io: Best for solo founders and small teams that want email finding and cold email in one low-cost tool

Snov.io: Solo founders and small teams that want email finding and cold email in one low-cost tool.

Snov.io bundles an email finder, an email verifier, drip campaigns and a light CRM in one low-cost subscription. Snov.io suits a small team that wants to find and email prospects without a sales call. Phone numbers are sold separately as enrichment tokens.

  • Email finder & verifier
  • Drip email campaigns
  • LinkedIn prospecting extension
  • CRM with deal tracking
  • API access

Strengths

  • Finding, verification and sequences in one tool
  • Unlimited team seats
  • The lowest paid entry price on this list

Limitations

  • Phone numbers are a separate token purchase, from $0.02 a token
  • Prospect search costs credits
  • Sequencing is basic next to Outreach or Salesloft
See detailed Cleanlist AI vs Snov.io comparison

Lusha: Cleanlist AI treats it as a supplier to its waterfall, so it is credited here and left out of the ranking above. Cleanlist AI is not scored against it.

Is there a Seamless.AI alternative with published monthly pricing for a small SDR team?

Cleanlist AI publishes its self-serve prices and bills monthly. Starter is $49 and Pro $89 per seat a month, every seat adds its credits (750 on Starter, 1,500 on Pro) to one shared balance, Pro offers monthly credit levels up to 100,000, and annual billing takes 25% off. Cleanlist AI charges 1 credit for a verified work email and 10 for a phone number, only when its waterfall across 25+ providers returns data, and search costs nothing. On our own 500-lead benchmark, Cleanlist AI returned 98% verified work emails and 85% phone numbers. Every new workspace starts with 14 days of Pro: 250 credits and up to 3 seats.

Which Seamless.AI alternative should you pick?

One pick per use case. Where another tool is the better choice, it gets the pick.

  1. Best for a rep who wants data and sequences in one tool

    Database, sequences and dialer with published prices from $49 a user a month on annual billing, plus a free plan.

    Apollo.io

  2. Best for an SDR team that needs verified emails and phone numbers on a monthly plan

    Published prices from $49 per seat a month, every seat's credits in one shared balance, a phone number at 10 credits and nothing charged for a miss. Sequences is included on every paid plan.

    Cleanlist AI

  3. Best for enterprise teams that need intent data

    Intent signals, org charts and depth on US enterprise accounts. Expect an annual contract and a quote, with no list price.

    ZoomInfo

  4. Best for selling into the UK and Europe

    Phone-verified mobiles and GDPR-first sourcing. Standard and Pro both include 5 seats, priced on a call.

    Cognism

  5. Best for a few hundred contacts a month, pay per contact

    Essentials is $99 a month for 170 credits, each covering an email and a mobile, with monthly billing.

    UpLead

  6. Best for a solo founder on a tight budget

    Starter is $39 a month for 1,000 credits with unlimited seats, and it sends the emails too. Phone numbers cost extra tokens.

    Snov.io

Is Seamless.AI any good?

Seamless.AI is a workable choice for a rep who looks people up one at a time all day and is comfortable buying through a sales call. Seamless.AI's Chrome extension and real-time search fit that workflow, and its credit covers a phone number and an email together. The trade-offs are the buying process and the comparison problem: there is no public price, and this page has no accuracy figure for Seamless.AI to line up against the others. Cleanlist AI has not run Seamless.AI through its own lead tests, so this page makes no accuracy claim about it. Run 100 of your own records through the Free plan before you sign.

What is Seamless.AI and how does it work?

Seamless.AI is a B2B sales intelligence platform that describes itself as a real-time search engine for contact data. A rep searches by name, company or title, in the web app or from a LinkedIn profile through the Chrome extension, and Seamless.AI returns emails and phone numbers for that person. Each credit covers a phone number and an email. Results can be saved to lists and pushed to a CRM. Seamless.AI is free for up to 50 credits and quotes everything above that on a call. It also sells emailing, a built-in dialer and AI agents.

Are there free alternatives to Seamless.AI?

Yes, though every free plan is small. Apollo's Free plan gives 900 credits a year and includes sequences. ContactOut's gives 5 emails, 5 phones and 5 exports a day. Kaspr's gives 15 email and 5 phone credits a month. Snov.io's renewable trial gives 50 credits. Cleanlist AI's Free plan gives 50 credits and 5 searches a month, and every new workspace starts with 14 days of Pro: 250 credits and up to 3 seats. For more than a few hundred contacts a month you will pay; the paid plans are on the Cleanlist AI pricing page and the Apollo alternatives page.

How do Seamless.AI alternatives compare on data freshness and accuracy?

The alternatives source data three ways, and the sourcing decides how fresh a record is. Database vendors such as Apollo, ZoomInfo and UpLead hold their own records and refresh them on their own schedule. Real-time search tools such as Seamless.AI look the person up when you ask. Waterfall tools such as Cleanlist AI and Clay query several providers in order and keep the first verified result.

Published accuracy numbers are hard to compare because each vendor measures its own way. UpLead states a 95% data accuracy rate. In Cleanlist AI's 1,000-lead March 2026 test, ZoomInfo's email match rate was 84% and Apollo's 78%. On our own 500-lead benchmark, Cleanlist AI returned 98% verified work emails and 85% phone numbers. Read more in the ZoomInfo competitors list and the waterfall enrichment tools guide.

How should an SDR manager evaluate a Seamless.AI alternative before switching?

Start with 100 records from your real target list, run them through each trial, and count three numbers: verified emails, emails that bounce on a small send, and dials that connect to the right person. Then price your actual volume: seats you need, phone lookups a month, and what a phone costs in credits on each plan. Check the contract terms on your Seamless.AI order form, including renewal date and notice period, before you sign anything new. Last, confirm the new tool writes to your CRM and sequencer without a CSV round trip. The UpLead alternatives page and the Seamless.AI pricing guide help with the second step.

Frequently asked questions

What teams ask before they move off Seamless.AI.

How much does Seamless.AI cost?

Seamless.AI publishes no dollar price for its paid plans. Its homepage FAQ says it is free for up to 50 credits and points everything above that to its sales team, and seamless.ai/pricing now redirects to a demo form (read October 3, 2026). Its pricing page, as read on September 1, 2026, said one credit covers a phone number and an email. You get a quote on a call. Every other tool on this page except ZoomInfo and Cognism prints its price.

How do Cognism and Seamless.AI compare for verified email?

Neither Cognism nor Seamless.AI publishes a price, so the comparison comes down to data and region. Cognism's selling point is phone-verified mobile numbers and GDPR-compliant sourcing for the UK and Europe. Seamless.AI's is real-time lookups from a Chrome extension. Ask both for results on the same 100 records from your own target list and compare verified emails and connected dials.

Are there cheaper options than Apollo or Seamless.AI?

Yes. Snov.io Starter is $39 a month for 1,000 credits. Kaspr and ContactOut have free plans and paid plans from $49. Cleanlist AI has a Free plan at 50 credits a month and Starter at $49 per seat a month. Apollo's own Free plan, at 900 credits a year, is also hard to beat if you only need a few contacts.

Does Cleanlist AI have a Chrome extension like Seamless.AI?

Yes. Cleanlist AI has a Chrome extension, and the same waterfall runs on CSV uploads and in the app's People Search. Cleanlist AI Sequences sends email and LinkedIn steps on every paid plan, or the list goes to Salesloft, Lemlist, your CRM, or a CSV.

Head-to-head comparisons

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