8 best Seamless.AI alternatives in 2026

Looking for something like Seamless.AI but with a different price point, feature set or vibe? These are the strongest Lead Generation & Data alternatives in our directory, ranked.

1

Apollo.io Free tier

A 275M-contact database plus sequences in one platform.

Best for: Finding and emailing B2B prospects affordably · Pricing: Free plan; from $49/user/mo
Seamless.AI vs Apollo.io
2

Clay Free tier

Enrichment waterfalls and AI research agents in a spreadsheet.

Best for: Growth teams automating account research · Pricing: Free plan; from $134/mo
Seamless.AI vs Clay
3

Hunter Free tier

Find and verify anyone's professional email.

Best for: Quick email finding and verification · Pricing: Free plan; from $34/mo
Seamless.AI vs Hunter
4

ZoomInfo

The enterprise B2B data and intent leader.

Best for: Enterprise sales and marketing data · Pricing: Custom pricing
Seamless.AI vs ZoomInfo
5

Lusha Free tier

Fast contact data from a browser extension.

Best for: Reps grabbing direct dials on the fly · Pricing: Free plan; from $19.90/user/mo
Seamless.AI vs Lusha
6

Clearbit

Company and visitor enrichment, now inside HubSpot.

Best for: HubSpot users enriching records · Pricing: Now part of HubSpot (Breeze Intelligence)
Seamless.AI vs Clearbit
7

PhantomBuster

Scraping and automation phantoms for social platforms.

Best for: Growth hackers extracting public data · Pricing: From $69/mo
Seamless.AI vs PhantomBuster
8

Wiza Free tier

Turn Sales Navigator searches into verified email lists.

Best for: Exporting LinkedIn searches with real emails · Pricing: Free plan; from $49/mo
Seamless.AI vs Wiza