Software · head to head
Auth0 vs Amplitude

Amplitude
Software
The digital analytics platform to understand your users
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Auth0 free tier limited to 25,000 monthly active users, requiring upgrade for growth beyond that; Amplitude metered on event volume, so instrumenting more of a product raises the bill even if the audience does not grow
- They diverge on capability: Auth0 covers Universal login, Amplitude covers Event tracking.
Where they differ
Only the attributes on which Auth0 and Amplitude actually diverge.
Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), user rating (Not yet rated), category (Unknown).
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 Amplitude
- Event tracking
- User segmentation
- Funnel analysis
- Retention analysis
- Cohort analysis
- A/B testing
- Revenue analytics
- Predictive analytics
Both cover
- Slack
- Segment
- SOC2
- GDPR
What people use each for
The jobs each tool is most often brought in to do.
Auth0
- B2C authenticationnot Amplitude
- B2B authenticationnot Amplitude
- B2E authenticationnot Amplitude
- API securitynot Amplitude
- Mobile app securitynot Amplitude
Amplitude
- User behavior analysisnot Auth0
- Feature adoption trackingnot Auth0
- Conversion rate optimizationnot Auth0
- Customer journey mappingnot Auth0
- Retention improvementnot 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
Amplitude
- Metered on event volume, so instrumenting more of a product raises the bill even if the audience does not grow
- The free plan covers 2M events a month
- The Plus plan scales to 70M events, above which pricing is custom
- Growth and Enterprise pricing is not published
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
Amplitude
Free- StarterFree
- 2 million events per month
- Plus$49/month
- $0.049 per MTU
- Up to 300k MTUs
- Advanced analytics
- GrowthFree
- Causal insights
- Feature experimentation
- Real-time streaming
- EnterpriseFree
- Cross-product analysis
- Advanced permissions
- Dedicated account manager
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 Amplitude if
- You need event tracking.
- You want to start without paying.
- You work on Web, Ios, Android, Api.
- You also want user segmentation.
Questions people ask
- Is Auth0 or Amplitude better?
- Neither clearly leads. Auth0 starts at Free and Amplitude at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Auth0 or Amplitude?
- Auth0 starts at Free and Amplitude at Free.
- Does Auth0 or Amplitude run on more platforms?
- Auth0 runs on Web, iOS, Android. Amplitude runs on Web, Ios, Android, Api.
- Can I use Auth0 for free?
- Both have a free tier, so you can try either at no cost before committing.
- 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 Amplitude is typically brought in for.
- What can Auth0 do that Amplitude cannot?
- Auth0 covers Universal login, Social login, Multi-factor authentication, Passwordless. Amplitude covers Event tracking, User segmentation, Funnel analysis, Retention analysis. Both handle Slack, Segment, 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.
SourceAmplitude: Does Amplitude have a free plan?
Yes, Amplitude offers a free Starter plan with 2 million events per month and access to the entire platform including analytics, session replay, and experimentation features.
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.
SourceAmplitude: What is Amplitude's pricing based on?
Amplitude's pricing is based on the number of monthly tracked users (MTUs), data volume, and advanced features selected. The Plus plan starts at $49 per month with a rate of $0.049 per MTU.
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.
SourceAmplitude: What analytics features does every Amplitude plan include?
Every plan includes access to the full platform: analytics, session replay, feature experimentation, web experimentation, guides and surveys, activation, and AI tools like AI Feedback and AI Assistant.
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.
Source
