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Technology · head to head

Amplitude vs ESLint

Amplitude logo

Amplitude

Technology

The digital analytics platform to understand your users

From
Free
Free plan
Yes
Full reviewWebsite
ESLint logo

ESLint

Developer Tools

Find and fix problems in JavaScript code

From
Free
Free plan
Yes
Full reviewWebsite

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; ESLint slow performance on large codebases compared to newer tools like Oxlint and Biome
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Amplitude and ESLint actually diverge.

Attributes where Amplitude and ESLint differ
AttributeAmplitudeESLint
PlatformsWeb, Ios, Android, ApiBrowser-based JavaScript, Node.js, Any JavaScript environment
CategoryTechnologyDeveloper Tools
Founded20122019

Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), 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 ESLint

Nothing recorded that Amplitude does not also cover.

What people use each for

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

Amplitude

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

ESLint

  • Statically analysing JavaScript and JSX to find problems before runtimenot Amplitude
  • Automatically fixing issues with syntax-aware rewritesnot Amplitude
  • Enforcing a consistent code style across a teamnot Amplitude
  • Running as a CI step to block non-conforming codenot Amplitude
  • Writing custom rules for project-specific conventionsnot 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

ESLint

  • Slow performance on large codebases compared to newer tools like Oxlint and Biome
  • Complexity in configuration from scratch, particularly for TypeScript support
  • Limited built-in TypeScript support, requiring separate parsers and coordination with new TypeScript features

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

ESLint

Free

No published plan breakdown. See the ESLint review.

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 ESLint if

  • You want to start without paying.
  • You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
ESLint review

Questions people ask

Is Amplitude or ESLint better?
Neither clearly leads. Amplitude starts at Free and ESLint at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amplitude or ESLint?
Amplitude starts at Free and ESLint at Free.
Does Amplitude or ESLint run on more platforms?
Amplitude runs on Web, Ios, Android, Api. ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment.
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 ESLint is typically brought in for.
What can Amplitude do that ESLint cannot?
Amplitude covers Event tracking, User segmentation, Funnel analysis, Retention analysis.

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
ESLint: Does ESLint automatically fix code issues?

Many problems ESLint finds can be automatically fixed via the --fix flag. ESLint fixes are syntax-aware so you won't experience errors introduced by traditional find-and-replace algorithms.

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
ESLint: How much does ESLint cost?

ESLint is completely free and open-source software maintained by the OpenJS Foundation. The project accepts voluntary donations from sponsors.

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
ESLint: Can I write custom ESLint rules?

Yes. You can develop custom rules that work alongside built-in functionality through ESLint's plugin system, allowing complete customization for your project needs.

Source
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