Technology · head to head
Auth0 vs Kustomer
The short version
- Only Auth0 has a free tier, so it costs nothing to try first.
- Each has a real cost: Auth0 free tier limited to 25,000 monthly active users, requiring upgrade for growth beyond that; Kustomer pricing not published; requires customised sales assessment and quote for exact costs
- They diverge on capability: Auth0 covers Universal login, Kustomer covers Unified customer view.
Where they differ
Only the attributes on which Auth0 and Kustomer actually diverge.
Identical on both: user rating (Not yet rated).
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 Auth0
- Universal login
- Social login
- Multi-factor authentication
- Passwordless
- User management
- Anomaly detection
- Extensibility
- Machine to machine
Only in Kustomer
- Unified customer view
- AI automation
- Omnichannel
- Workflow automation
- Knowledge base
- Analytics
- Shopify
- Magento
Both cover
- SOC2
- GDPR
What people use each for
The jobs each tool is most often brought in to do.
Auth0
- B2C authenticationnot Kustomer
- B2B authenticationnot Kustomer
- B2E authenticationnot Kustomer
- API securitynot Kustomer
- Mobile app securitynot Kustomer
Kustomer
- Large B2C and B2B organisations managing 600+ customer support interactions across omnichannel platformsnot Auth0
- Retail, financial services, travel and hospitality sectors requiring integrated AI-powered supportnot Auth0
- Enterprises seeking customer 360 views and advanced workflow automationnot Auth0
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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
Kustomer
- Pricing not published; requires customised sales assessment and quote for exact costs
- Voice (call), SMS, and WhatsApp support operate on separate pay-as-you-go pricing models
- Customisation-based pricing structure means no transparent cost comparison with competitors
Pricing, plan by plan
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
Kustomer
On requestNo published plan breakdown. See the Kustomer review.
Which should you pick?
Choose Auth0 if
- You need universal login.
- You want to start without paying.
- You work on Web, iOS, Android.
- You also want social login.
Choose Kustomer if
- You need unified customer view.
- You work on Web, Cloud.
- You also want ai automation.
Questions people ask
- Is Auth0 or Kustomer better?
- Neither clearly leads. Auth0 starts at Free and Kustomer at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Auth0 or Kustomer?
- Auth0 has a free tier; the other does not. Paid plans start at Free for Auth0 and On request for Kustomer.
- Does Auth0 or Kustomer run on more platforms?
- Auth0 runs on Web, iOS, Android. Kustomer runs on Web, Cloud.
- Can I use Auth0 for free?
- Yes. Auth0 has a free tier, so you can try it without paying. Kustomer starts at On request.
- What is Auth0 best used for?
- Auth0 is most often used for b2c authentication, b2b authentication, b2e authentication, api security. Of those, b2c authentication and b2b authentication are not what Kustomer is typically brought in for.
- What can Auth0 do that Kustomer cannot?
- Auth0 covers Universal login, Social login, Multi-factor authentication, Passwordless. Kustomer covers Unified customer view, AI automation, Omnichannel, Workflow automation. Both handle SOC2, GDPR.
Answered from the vendors’ own pages
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.
SourceAuth0: 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.
SourceAuth0: 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.
SourceAuth0: 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.
SourceRelated pages
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