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Technology · head to head

Attio vs Auth0

Attio logo

Attio

Technology

The CRM built for the next generation of companies

From
Free
Rated
-
Full reviewWebsite
Auth0 logo

Auth0

Technology

Secure access for everyone

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Attio the free plan stops at 3 seats and 50,000 records; Auth0 free tier limited to 25,000 monthly active users, requiring upgrade for growth beyond that
  • They diverge on capability: Attio covers Custom data model, Auth0 covers Universal login.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Attio and Auth0 actually diverge.

Attributes where Attio and Auth0 differ
AttributeAttioAuth0
Pricing modelfreemiumUnknown
PlatformsWeb, Ios, Android, ApiWeb, iOS, Android
Founded20212013

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

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 Attio

  • Custom data model
  • Flexible views
  • Email integration
  • Calendar sync
  • Automations
  • Mobile app
  • Real-time collaboration
  • Templates

Only in Auth0

  • Universal login
  • Social login
  • Multi-factor authentication
  • Passwordless
  • User management
  • Anomaly detection
  • Extensibility
  • Machine to machine

Both cover

  • Slack
  • Segment
  • SOC2
  • GDPR

What people use each for

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

Attio

  • Sales pipelinenot Auth0
  • Customer managementnot Auth0
  • Deal trackingnot Auth0
  • Investor relationsnot Auth0
  • Partnership managementnot Auth0

Auth0

  • B2C authenticationnot Attio
  • B2B authenticationnot Attio
  • B2E authenticationnot Attio
  • API securitynot Attio
  • Mobile app securitynot Attio

Where each one falls short

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

Attio

  • The free plan stops at 3 seats and 50,000 records
  • Outbound email is capped at 200 messages a month on the free plan and 1,000 on Plus
  • Call Intelligence, sequences, advanced reporting and permission controls all require the Pro tier
  • Custom objects are capped at 3 on free, 5 on Plus and 12 on Pro, with unlimited objects reserved for Enterprise
  • File storage is capped at 50 GB on the free and Plus tiers

Auth0

  • Free tier limited to 25,000 monthly active users, requiring upgrade for growth beyond that
  • Advanced features like MFA and RBAC only available on paid Essentials tier and above
  • Ownership by Okta introduces risk that independent product roadmap may change

Pricing, plan by plan

Attio

Free
  • FreeFree
    • Up to 3 seats
    • 50000 records
    • 3 objects
  • Plus$44/month
    • Up to 10 seats
    • 250000 records
    • 5 objects
  • Pro$99/month
    • Unlimited seats
    • 1000000 records
    • 12 objects
  • EnterpriseFree
    • Custom pricing
    • Unlimited objects
    • Custom record limits

Auth0

Free
  • FreeFree
    • Up to 25,000 monthly active users
    • Basic authentication
    • Email/password login
  • Essentials (B2C)$35/month
    • Unlimited MAUs beyond free tier
    • Multi-Factor Authentication
    • Role-Based Access Control
  • Professional (B2C)$240/month
    • All Essentials features
    • Advanced security
    • Custom branding

Which should you pick?

Choose Attio if

  • You need custom data model.
  • You want to start without paying.
  • You work on Web, Ios, Android, Api.
  • You also want flexible views.
Attio review

Choose Auth0 if

  • You need universal login.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want social login.
Auth0 review

Questions people ask

Is Attio or Auth0 better?
Neither clearly leads. Attio starts at Free and Auth0 at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Attio or Auth0?
Attio starts at Free and Auth0 at Free.
Does Attio or Auth0 run on more platforms?
Attio runs on Web, Ios, Android, Api. Auth0 runs on Web, iOS, Android.
Can I use Attio for free?
Both have a free tier, so you can try either at no cost before committing.
What is Attio best used for?
Attio is most often used for sales pipeline, customer management, deal tracking, investor relations. Of those, sales pipeline and customer management are not what Auth0 is typically brought in for.
What can Attio do that Auth0 cannot?
Attio covers Custom data model, Flexible views, Email integration, Calendar sync. Auth0 covers Universal login, Social login, Multi-factor authentication, Passwordless. Both handle Slack, Segment, SOC2, GDPR.

Answered from the vendors’ own pages

Attio: How much does Attio cost per user?

Attio's Plus plan is $44/user/month (or $35/month annually with 20% discount). Pro is $99/user/month (or $79/month annually). The Free plan includes up to 3 seats at no cost.

Source
Auth0: How much does Auth0 cost?

Auth0 has a Free tier for up to 25,000 monthly active users (MAUs). Paid plans start at $35/month (Essentials B2C) and scale to $240/month (Professional B2C) and higher for Enterprise. Pricing scales with MAU usage.

Source
Attio: What are Attio's seat and record limits for each plan?

Free plan includes up to 3 seats with 50,000 records. Plus supports up to 10 seats with 250,000 records. Pro offers unlimited seats with 1 million records. Enterprise has custom record limits.

Source
Auth0: Does Auth0 include Multi-Factor Authentication?

No. MFA, RBAC (Role-Based Access Control), and premium support are not included in the free tier and require upgrading to paid Essentials plans or higher.

Source
Attio: Are there additional costs for Attio beyond the per-user subscription?

Yes, workspace credits are available as add-ons ($70-$475/month depending on volume). Annual billing provides a 20% discount on the base per-user cost.

Source
Auth0: Is Auth0 independent or part of a larger company?

Auth0 was acquired by Okta in May 2021 for $6.5 billion. It now operates as a subsidiary business unit within Okta, but maintains its own brand and operations.

Source
Auth0: Who should use Auth0 vs Okta?

Auth0 is developer-focused and serves customer identity use cases (B2C). Okta serves workforce identity (B2B) and has broader enterprise features. Auth0 now serves both markets post-acquisition but maintains its developer-friendly positioning.

Source
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