What is the best alternative to TrackJS?

Sentry is the top-rated alternative to TrackJS. It offers Best error tracking DX and Great free tier, and is freemium starting at $26/month/month.

Is there a free alternative to TrackJS?

Yes — Sentry is a freemium alternative to TrackJS. Best error tracking DX

Why do developers switch from TrackJS?

Common reasons to switch from TrackJS: Frontend only (no backend SDKs); Fewer integrations; Smaller team/community.

Best TrackJS Alternatives(2026)

We compared 3 alternatives to TrackJS — so you can find the best option for your needs and budget.

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You're replacing

TrackJS

paid

JavaScript error monitoring with full user telemetry

Starts at $29/mo

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Common reasons to switch

Frontend only (no backend SDKs)Fewer integrationsSmaller team/community

Sentry

freemium

From $26/month

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Sentry provides real-time error tracking and performance monitoring for web and mobile applications.

Pros

+Best error tracking DX

+Great free tier

+SDK for every language

Cons

−Can get expensive at scale

−Complex pricing

−Noisy alerts if not tuned

Error trackingPerformance monitoringSession replayProfilingCrons

Bugsnag

freemium

From $47/mo

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Bugsnag monitors application stability and automatically captures errors with full diagnostic data, stack traces, and user context to help teams prioritize and fix bugs faster.

Pros

+Excellent mobile SDK support

+Stability score metric

+Smart grouping of errors

Cons

−Pricier than alternatives

−UI can feel cluttered

−Limited free tier

Real-time error alertsStack tracesUser impact trackingRelease trackingTeam assignment

Rollbar

freemium

From $31/mo

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Rollbar provides real-time error tracking with automated error grouping, human language summaries of errors, and deploy tracking to correlate bugs with releases.

Pros

+Strong deploy correlation

+RQL for custom queries

+Good free tier (5,000 events/mo)

Cons

−UI dated compared to Sentry

−Grouping occasionally incorrect

−Limited performance monitoring

Real-time error trackingDeploy trackingError groupingHuman language summariesRQL query language

Compare TrackJS Head to Head

TrackJS vs Sentry TrackJS vs Bugsnag TrackJS vs Rollbar