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CRM · head to head

Twenty vs Seamless.AI

Twenty logo

Twenty

CRM

Open-source CRM platform for technical teams at AI speed

From
Free
Rated
-
Full reviewWebsite
Seamless.AI logo

Seamless.AI

CRM

Sales lead search engine for finding contact and company data

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Twenty requires technical expertise to customize and maintain compared to no-code CRM platforms; Seamless.AI pro and Enterprise pricing is not published and requires contacting sales.
  • They diverge on capability: Twenty covers Open-Source Framework, Seamless.AI covers Contact search.

Where they differ

Only the attributes on which Twenty and Seamless.AI actually diverge.

Attributes where Twenty and Seamless.AI differ
AttributeTwentySeamless.AI
Pricing modelUnknownfreemium
PlatformsWeb, Self-hostedweb, api

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (CRM).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Twenty

  • Open-Source Framework
  • Custom Database Objects
  • Multiple View Types
  • AI Integration
  • Workflow Engine
  • Data Migration
  • API Access
  • Multi-Language Support

Only in Seamless.AI

  • Contact search
  • Real-time search engine
  • Job change alerts
  • Buyer intent data
  • CRM and API integrations
  • Enterprise security

What people use each for

The jobs each tool is most often brought in to do.

Twenty

  • Building custom CRM solutions for complex business processesnot Seamless.AI
  • Migrating from Salesforce or HubSpot while maintaining data ownershipnot Seamless.AI
  • Technical teams needing TypeScript-based customizationnot Seamless.AI
  • Organizations requiring self-hosted or air-gapped deploymentsnot Seamless.AI
  • Enterprises combining CRM with AI-powered workflowsnot Seamless.AI

Seamless.AI

  • B2B sales teams building prospecting listsnot Twenty
  • Finding verified emails and phone numbers for outreachnot Twenty
  • Tracking job changes among target contactsnot Twenty
  • Identifying accounts showing buyer intentnot Twenty

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Twenty

  • Requires technical expertise to customize and maintain compared to no-code CRM platforms
  • Self-hosting increases operational overhead and infrastructure costs
  • Limited ecosystem of pre-built integrations compared to Salesforce
  • Smaller community and third-party extension library than established CRMs
  • Enterprise plan requires custom negotiation with no transparent pricing

Seamless.AI

  • Pro and Enterprise pricing is not published and requires contacting sales.
  • Free plan is limited to just 50 credits and a single user.
  • Data accuracy for contact details can vary and requires verification before outreach.
  • Credit-based usage model means heavy prospecting can exhaust allotments quickly.

Pricing, plan by plan

Twenty

Free
  • Pro$9/month
    • Full customization
    • Custom apps
    • AI Agents
  • Organization$19/month
    • Everything in Pro
    • Row-level permissions
    • SAML and OIDC SSO
  • Enterprise$null/year
    • Everything in Organization
    • Single-tenant isolation
    • IP allow-listing

Seamless.AI

Free
  • FreeFree
    • 1 user
    • 50 credits
    • Email and cell phone search
  • Pro$undefined/mo
    • Per-user pricing
    • Unlimited exports
    • Annual credit packages
  • Enterprise$undefined/mo
    • Unlimited users
    • Custom credit allotments
    • Dedicated success manager

Which should you pick?

Choose Twenty if

  • You need open-source framework.
  • You want to start without paying.
  • You work on Web, Self-hosted.
  • You also want custom database objects.
Twenty review

Choose Seamless.AI if

  • You need contact search.
  • You want to start without paying.
  • You work on web, api.
  • You also want real-time search engine.
Seamless.AI review

Questions people ask

Is Twenty or Seamless.AI better?
Neither clearly leads. Twenty starts at Free and Seamless.AI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Twenty or Seamless.AI?
Twenty starts at Free and Seamless.AI at Free.
Does Twenty or Seamless.AI run on more platforms?
Twenty runs on Web, Self-hosted. Seamless.AI runs on web, api.
Can I use Twenty for free?
Both have a free tier, so you can try either at no cost before committing.
What is Twenty best used for?
Twenty is most often used for building custom crm solutions for complex business processes, migrating from salesforce or hubspot while maintaining data ownership, technical teams needing typescript-based customization, organizations requiring self-hosted or air-gapped deployments. Of those, building custom crm solutions for complex business processes and migrating from salesforce or hubspot while maintaining data ownership are not what Seamless.AI is typically brought in for.
What can Twenty do that Seamless.AI cannot?
Twenty covers Open-Source Framework, Custom Database Objects, Multiple View Types, AI Integration. Seamless.AI covers Contact search, Real-time search engine, Job change alerts, Buyer intent data.

Answered from the vendors’ own pages

Twenty: Is Twenty free or paid?

Twenty offers a 30-day free trial without credit card. Cloud plans start at $9 per user per month (Pro) when billed annually, with Organization plan at $19 per user per month.

Source
Seamless.AI: Is there a free plan, and what are its limits?

Yes, the Free plan includes 1 user and 50 credits, with access to email and cell phone search, real-time search, and API access.

Source
Twenty: Can I migrate data from Salesforce or HubSpot?

Yes, Twenty supports CSV and API-based migration from Salesforce and HubSpot, with support for 50,000+ records.

Source
Seamless.AI: How is usage metered on Seamless.AI?

Seamless.AI uses a credit system where credits are consumed to research contact details; paid Pro plans start with larger annual credit packages than the Free plan.

Source
Twenty: What programming languages does Twenty support?

Twenty is built with TypeScript and provides a TypeScript-based Apps framework for creating custom extensions.

Source
Seamless.AI: Does Seamless.AI have an API?

Yes, API access is included even on the Free plan, alongside export and integration capabilities on paid plans.

Source
Twenty: How long does enterprise deployment take?

Enterprise deployment typically takes 1-2 weeks with Onboarding Packs or certified partners.

Source
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