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Attio vs Seamless.AI

Attio: Flexible modern CRM that builds itself from your email and calendar, with AI research and automation. Seamless.AI: Contact search engine that finds emails and phone numbers for B2B prospects. Here is how they compare on features, pricing, platforms, pros and cons.

Quick verdict

Attio

Best for: Startups and modern teams that want a flexible CRM.

Stands out for: Flexible and fast; Free plan for small teams.

Seamless.AI

Best for: Reps who need contact details quickly.

Stands out for: Free credits to try; Quick LinkedIn extension.

Side-by-side comparison

Comparison of Attio, Seamless.AI
Visit attio.com (opens in a new tab)Visit seamless.ai (opens in a new tab)
What it isFlexible modern CRM that builds itself from your email and calendar, with AI research and automation.Contact search engine that finds emails and phone numbers for B2B prospects.
Pricing
Free + Paid
Free + Paid
Free to useYesYes
CategoryAI Sales & CRMAI Sales & CRM
Editor rank#7 in category#15 in category
Made byAttioSeamless.AI
Best forStartups and modern teams that want a flexible CRM.Reps who need contact details quickly.
Key features
  • Auto-built records from email and calendar
  • Custom objects and views
  • AI research and data enrichment
  • Workflow automations
  • Contact search for emails and phones
  • Chrome extension for LinkedIn
  • List building
  • AI writing help
Pros
  • Flexible and fast
  • Free plan for small teams
  • Free credits to try
  • Quick LinkedIn extension
Cons
  • Less established than older CRMs
  • Data accuracy can vary
Use it to
  • Track investors or customers in custom lists
  • Enrich new leads with AI
  • Automate follow-up tasks
  • Find a prospect's phone number
  • Build a list of contacts at a company
  • Pull contacts while browsing LinkedIn
Web app
iPhone & iPad
Android
Chrome extension
API

Attio vs Seamless.AI: questions

Is Attio better than Seamless.AI?

Neither wins for everyone. Our editors rank Attio slightly higher overall in AI Sales & CRM, but Seamless.AI can be the better fit: Reps who need contact details quickly.

Which is free, Attio or Seamless.AI?

Both can be used without paying: Attio is free + paid and Seamless.AI is free + paid. Paid plans add more usage or features.

Can I use Attio and Seamless.AI together?

Yes. Many people keep both and pick per task, for example track investors or customers in custom lists with Attio, and find a prospect's phone number with Seamless.AI.

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