Is Amplitude or Clerk better?

Neither clearly leads. Amplitude starts at Free and Clerk at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, Amplitude or Clerk?

Amplitude starts at Free and Clerk at Free.

Does Amplitude or Clerk run on more platforms?

Amplitude runs on Web, Ios, Android, Api. Clerk runs on web, ios, android, api.

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 Clerk is typically brought in for.

What can Amplitude do that Clerk cannot?

Amplitude covers Event tracking, User segmentation, Funnel analysis, Retention analysis. Clerk covers Prebuilt UI components, Organization management, Multi-factor authentication, Social sign-on.

Technology · head to head

Amplitude vs Clerk

Amplitude

Technology

The digital analytics platform to understand your users

From: Free
Rated: -

Full review Website

Clerk

Identity & Access Management

Drop-in user authentication and management for developers

From: Free
Rated: -

Full review Website

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; Clerk pricing scales with monthly retained users, which can grow expensive quickly for consumer apps with large user bases.
They diverge on capability: Amplitude covers Event tracking, Clerk covers Prebuilt UI components.

Where they differ

Only the attributes on which Amplitude and Clerk actually diverge.

Attributes where Amplitude and Clerk differ
Attribute	Amplitude	Clerk
Pricing model	Unknown	freemium
Category	Technology	Identity & Access Management
Founded	2012	Unknown

Identical on both: starting price (Free), free tier (Yes), platforms (Web, Ios, Android, Api), 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 Amplitude

Event tracking
User segmentation
Funnel analysis
Retention analysis
Cohort analysis
A/B testing
Revenue analytics
Predictive analytics

Only in Clerk

Prebuilt UI components
Organization management
Multi-factor authentication
Social sign-on
Billing
Enterprise connections

What people use each for

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

Amplitude

User behavior analysisnot Clerk
Feature adoption trackingnot Clerk
Conversion rate optimizationnot Clerk
Customer journey mappingnot Clerk
Retention improvementnot Clerk

Clerk

Adding sign-in and user profiles to a web or mobile app quicklynot Amplitude
B2B SaaS apps needing organizations and role-based accessnot Amplitude
Startups wanting prebuilt UI instead of building auth in-housenot Amplitude
Apps needing MFA and fraud detection out of the boxnot 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

Clerk

Pricing scales with monthly retained users, which can grow expensive quickly for consumer apps with large user bases.
Enterprise SSO connections beyond the first are billed as add-ons, adding cost for larger organizations.
The Business tier's extra dashboard seats cost $20/month each, which adds up for larger teams.
Enterprise-tier features like the 99.99% uptime SLA require annual contracts rather than flexible monthly billing.

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

Clerk

Free

HobbyFree
- 50,000 MRU limit per app
- Up to 3 dashboard seats
- Unlimited applications
Pro$25/month
- 50,000 MRUs included, $0.02/MRU overage
- Up to 3 dashboard seats
- 1 Enterprise Connection included
Business$300/month
- 50,000 MRUs included with volume pricing
- 10 dashboard seats included
- SOC2 report and priority support
Enterprise$undefined/month
- Custom pricing, annual billing
- 99.99% uptime SLA
- HIPAA available, dedicated Slack channel

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.

Amplitude review

Choose Clerk if

You need prebuilt ui components.
You want to start without paying.
You work on web, ios, android, api.
You also want organization management.

Clerk review

Questions people ask

Is Amplitude or Clerk better?: Neither clearly leads. Amplitude starts at Free and Clerk at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amplitude or Clerk?: Amplitude starts at Free and Clerk at Free.
Does Amplitude or Clerk run on more platforms?: Amplitude runs on Web, Ios, Android, Api. Clerk runs on web, ios, android, api.
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 Clerk is typically brought in for.
What can Amplitude do that Clerk cannot?: Amplitude covers Event tracking, User segmentation, Funnel analysis, Retention analysis. Clerk covers Prebuilt UI components, Organization management, Multi-factor authentication, Social sign-on.

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.

Source

Clerk: What does Clerk cost?

Clerk's Hobby plan is free with a 50,000 MRU limit; Pro is $25/month ($20/month billed annually), Business is $300/month ($250 annually), and Enterprise uses custom annual pricing.

Source

Amplitude: 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.

Source

Clerk: Is there a free plan and what are its limits?

Yes, the Hobby plan is free with a 50,000 monthly retained user (MRU) limit per app, up to 3 dashboard seats, and unlimited applications, with no credit card required.

Source

Amplitude: 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.

Source

Clerk: How is usage metered?

Clerk meters by monthly retained users (MRUs) — users who return to the app at least a day after signing up — with overage billed at $0.02 per MRU beyond the included 50,000 on paid plans.

Source

Amplitude vs Clerk

Amplitude

Clerk

The short version

Where they differ

What each one covers

Only in Amplitude

Only in Clerk

What people use each for

Amplitude

Clerk

Where each one falls short

Amplitude

Clerk

Pricing, plan by plan

Amplitude

Clerk

Which should you pick?

Choose Amplitude if

Choose Clerk if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Amplitude

More on Clerk

Keep looking

Other head to heads