Software · head to head
Amplitude vs Auth0

Amplitude
Software
The digital analytics platform to understand your users
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Amplitude metered on event volume, so instrumenting more of a product raises the bill even if the audience does not grow; Auth0 free tier limited to 25,000 monthly active users, requiring upgrade for growth beyond that
- They diverge on capability: Amplitude covers Event tracking, Auth0 covers Universal login.
Where they differ
Only the attributes on which Amplitude and Auth0 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 Amplitude
- Event tracking
- User segmentation
- Funnel analysis
- Retention analysis
- Cohort analysis
- A/B testing
- Revenue analytics
- Predictive analytics
Only in Auth0
- Universal login
- Social login
- Multi-factor authentication
- Passwordless
- User management
- Anomaly detection
- Extensibility
- Machine to machine
Both cover
- Segment
- Slack
- SOC2
- GDPR
What people use each for
The jobs each tool is most often brought in to do.
Amplitude
- User behavior analysisnot Auth0
- Feature adoption trackingnot Auth0
- Conversion rate optimizationnot Auth0
- Customer journey mappingnot Auth0
- Retention improvementnot Auth0
Auth0
- B2C authenticationnot Amplitude
- B2B authenticationnot Amplitude
- B2E authenticationnot Amplitude
- API securitynot Amplitude
- Mobile app securitynot Amplitude
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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
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
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
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 Amplitude if
- You need event tracking.
- You want to start without paying.
- You work on Web, Ios, Android, Api.
- You also want user segmentation.
Choose Auth0 if
- You need universal login.
- You want to start without paying.
- You work on Web, iOS, Android.
- You also want social login.
Questions people ask
- Is Amplitude or Auth0 better?
- Neither clearly leads. Amplitude 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, Amplitude or Auth0?
- Amplitude starts at Free and Auth0 at Free.
- Does Amplitude or Auth0 run on more platforms?
- Amplitude runs on Web, Ios, Android, Api. Auth0 runs on Web, iOS, Android.
- Can I use Amplitude for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Amplitude best used for?
- Amplitude is most often used for user behavior analysis, feature adoption tracking, conversion rate optimization, customer journey mapping. Of those, user behavior analysis and feature adoption tracking are not what Auth0 is typically brought in for.
- What can Amplitude do that Auth0 cannot?
- Amplitude covers Event tracking, User segmentation, Funnel analysis, Retention analysis. Auth0 covers Universal login, Social login, Multi-factor authentication, Passwordless. Both handle Segment, Slack, SOC2, GDPR.
Answered from the vendors’ own pages
Amplitude: 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: 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: 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: 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 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: 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.
Source
