Seamless.AI alternatives: 8 options for contact data and outreach

The best Seamless.AI alternatives depend on what you want to change. For public prices and a big database, Apollo. For quick lookups, Lusha, UpLead or Kaspr. For emails only, Hunter. For enterprise coverage, ZoomInfo. For data orchestration, Clay. For signal-led LinkedIn outreach rather than a search tool, GTM Plays.

What Seamless.AI does well

According to seamless.ai, Seamless.AI is an AI sales platform with a contact search engine and Chrome extension for finding emails, mobile numbers and direct dials. It adds buyer intent, job change alerts, CRM enrichment, AI-written pitches, built-in emailing, a dialer, an API and an MCP connection. It says it is trusted by more than 1 million sales leaders.

The appeal is breadth in one product: find a contact, enrich your CRM and start outreach without switching tools.

Why teams look for a Seamless.AI alternative

• No public pricing. You need a sales conversation to see what it costs, which makes comparison harder.
• Data quality in your segment. Search-based data varies by market, so results differ between teams.
• More platform than needed. Some teams only want lookups, or only outreach.
• Contacts without timing. A search tool finds people; it does not tell you who is paying attention now. See our buying signals guide.

Seamless.AI pricing (as of Oct 2026)

Seamless.AI does not publish prices. Its pricing page says you pay only for the features or licences you need, with volume discounts and no setup fees, and asks how many contacts you need each month and your company size before routing you to sales. It also offers a "switch and save" discount, credits or discounts of up to 50% matching the remaining value of a competitor contract. A free sign-up is available from its homepage.

For a third-party view, Vendr describes three tiers: Free, which gives one user 50 credits; Pro, with daily credit refresh, intent, job changes, integrations and exports; and Enterprise, with custom credits and account management. Vendr's page was last updated in Sep 2025, so treat it as a guide only.

Seamless.AI alternatives by use case

If you need…	Consider	Why
Published prices and a large database	Apollo.io	Free, Basic and Professional plans
Quick contact lookups	Lusha	Permanent free plan, clear credit rules
Phone numbers from LinkedIn	Kaspr	LinkedIn-focused extension
Work emails only	Hunter	Email finder and verifier
One credit per contact	UpLead	Email and mobile per credit
Enterprise coverage	ZoomInfo	Quote-based
Combining many data vendors	Clay	Waterfall enrichment
Signal-led LinkedIn outreach	GTM Plays	Finds intent signals, writes and sends from your account

The best Seamless.AI alternatives in detail

Eight alternatives, from contact data tools to signal-led outreach. Descriptions and prices come from each vendor's own site, checked in October 2026, except where a third-party source is clearly labelled.

Apollo.io

What it is: an AI GTM system with a database of 240M+ contacts and 30M+ accounts, email sequencing, a dialer, buying signals and AI agents, according to apollo.io.

Pricing (as of Oct 2026, apollo.io/pricing): a Free plan, Basic at $49 a month and Professional at $99 a month on monthly billing, plus a Custom plan through sales. All seats on an account must be on the same plan.

Best for: teams who want one database and email engine.

Limits: it is database- and email-led rather than LinkedIn-first.

Lusha

What it is: a B2B contact data platform with a browser extension, CRM enrichment, an API and an MCP server, according to lusha.com.

Pricing (as of Oct 2026, lusha.com/pricing): a permanent Free plan with 40 credits a month; Starter at $49.90 a month (400 credits), Pro at $69.90 (600 credits) and Premium at $399.90 (3,400 credits) on monthly billing, with lower annual prices. An email costs 1 credit and a phone number 5.

Best for: reps who need emails and phone numbers quickly.

Limits: it supplies data, not outreach.

Kaspr

What it is: a contact data tool built around a Chrome extension that shows phone numbers and emails on LinkedIn profiles, with lead lists, bulk CSV enrichment and CRM integrations such as HubSpot and Salesforce, according to kaspr.io.

Pricing (as of Oct 2026, kaspr.io/pricing): a Free plan with 15 B2B email credits, 5 phone credits and 5 direct email credits a month. Starter is shown at $49 or $65 per user a month depending on billing period, with unlimited B2B email credits and 100 phone credits a month. Business is shown at $79 or $99 per user a month, with 200 phone and 200 direct email credits a month. Enterprise is custom. Prices are also listed in euros and pounds.

Best for: reps and recruiters who find people on LinkedIn and need their phone numbers.

Limits: phone credits are the constraint on lower plans, and it supplies data, not outreach.

Hunter

What it is: an email finder and verifier with a B2B lead database, signals from your existing leads, cold email sequences and an API, according to hunter.io.

Pricing (as of Oct 2026, hunter.io/pricing): a Free plan with 50 credits a month. Starter is $49 a month on monthly billing ($34 a month billed yearly) with 2,000 credits a month; Growth is $149 ($104 yearly) with 10,000; Scale is $299 ($209 yearly) with 25,000. Finding an email costs 1 credit and verifying one costs 0.5. All plans include unlimited team members.

Best for: email-first teams who need work emails rather than phone numbers.

Limits: it is email-focused; it is not the tool for mobile numbers.

UpLead

What it is: a B2B contact database with verified emails, mobile direct dials, a Chrome extension, technographics, intent data on higher plans and CRM integrations, according to uplead.com.

Pricing (as of Oct 2026, uplead.com/pricing): a 7-day free trial with 5 credits. Essentials is $99 a month for 170 credits and Plus is $199 a month for 400 credits, on monthly billing. Professional is annual only with custom seats and credits, and adds buyer intent data. One credit unlocks one contact, including email and mobile.

Best for: small teams that want simple, credit-per-contact pricing.

Limits: credit volumes are modest on the self-serve plans, and it supplies data rather than outreach.

ZoomInfo

What it is: a go-to-market intelligence platform with 420M+ global contacts, 145M+ companies, buyer intent and website visitor data, according to zoominfo.com.

Pricing (as of Oct 2026, zoominfo.com/about/pricing): not published. ZoomInfo asks you to request a quote and says price depends on features, licences and credit usage.

Best for: larger teams that need deep contact and company data.

Limits: you need a sales conversation to see the price.

Clay

What it is: a data orchestration platform that combines many data and AI vendors, with Claygent research agents, signals and an email sequencer, according to clay.com.

Pricing (as of Oct 2026, clay.com/pricing): a Free plan includes 500 actions and 100 data credits a month. Launch starts at $167 a month and Growth at $446 a month, with prices rising by action and data-credit volume. Enterprise is custom. There is a 14-day trial.

Best for: GTM engineers who build custom enrichment and routing workflows.

Limits: it is a builder; someone has to design and maintain the tables.

GTM Plays

What it is: an AI agent for LinkedIn. It finds people showing intent signals, scores each one for fit against your ICP, writes a message for each person and sends it from your own LinkedIn account. Replies come into one inbox, where you take over. It does not book meetings by itself.

Pricing: Pro is $149 a month after a 7-day free trial, and each extra agent is $59 a month. Live Leads, a one-off extraction of a LinkedIn company page's followers or a post's engagers, is paid per lead with credits and is separate from Pro.

Best for: founders and small teams who want signal-led LinkedIn outreach without building workflows.

Integrations and exports: HubSpot, Salesforce, Pipedrive, Zoho CRM, Attio, folk, Breakcold, Instantly, Smartlead, SmartReach, HeyReach, Slack, Clay and Zapier, plus webhooks, a REST API and an MCP server. CSV export, and credits for email and phone enrichment. Live Leads exports in Clay, Instantly and Smartlead formats.

Limits: it is not a contact database to browse, and it has no built-in email sequencer or dialer; for email it connects to tools such as Instantly, Smartlead and SmartReach.

Is GTM Plays a Seamless.AI alternative?

For part of the job. If your team needs a search engine for any contact's phone number, a data tool is the right fit, and GTM Plays is not a contact database.

If your goal is LinkedIn conversations with people who are showing interest now, GTM Plays is a fair alternative to the outreach side of Seamless. Its agent finds intent signals, scores each person for fit against your ICP, writes a message and sends it from your own LinkedIn account, and brings replies into one inbox. It includes email and phone enrichment credits for those prospects. It does not book meetings by itself. Pro is $149 a month after a 7-day free trial, and each extra agent is $59 a month.

When Seamless.AI is still the better fit

• You want contact search, enrichment, emailing and calling in one contract.
• Your team relies on mobile numbers and direct dials.
• Its "switch and save" offer makes moving from another vendor cheaper.

How to compare alternatives fairly

1. Build a test list of 50 to 100 people you actually sell to.
2. Run it through each free plan or trial and compare match rates.
3. Ask for written credit rules: what costs a credit, refresh rules and top-up prices.
4. Compare total annual cost, including seats and add-ons.
5. Model the return with our lead generation ROI calculator.

For more options, see our Lusha alternatives page and our guide to lead generation tools.

Migration checklist: switching from Seamless.AI

1. Check your renewal date and cancellation terms in your contract.
2. Export saved lists and contacts you have already found.
3. Move active email sequences to your new sending tool, starting with the best performers.
4. Repoint CRM enrichment and check field mappings.
5. Run both on one segment for a few weeks if contracts overlap, and compare replies per hundred contacts.