Sentry Web Vitals vs Splunk Real User Monitoring

SWSentry Web Vitals9.3Visit Splunk Real User Monitoring8.6Visit

Higher score SW Sentry Web Vitals #1 in Core Web Vitals Monitoring Tools 9.3/10 Free plan · 14-day trial Free planFree trial✓ 1 of 3 features Visit Sentry

vs

Splunk Real User Monitoring #6 in Core Web Vitals Monitoring Tools 8.6/10 Paid ✓ 0 of 3 features Visit Splunk RUM

• Sentry Web Vitals fits best

  Teams needing production RUM and deep debugging

• Splunk Real User Monitoring fits best

  Enterprises needing RUM plus application tracing

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	SWSentry Web Vitals 9.3/10 Visit ↗	Splunk Real User Monitoring 8.6/10 Visit ↗
At a glance
Editor score	9.3	8.6
Ranking	#1 in Core Web Vitals Monitoring Tools	#6 in Core Web Vitals Monitoring Tools
Best for	Teams needing production RUM and deep debugging	Enterprises needing RUM plus application tracing
Pricing model	Free plan + paid	Paid
Starting price	$26/mo	$14/unit usage-based
Free plan	✓ (best)	—
Free trial	14 days	—
Deployment	Cloud	Cloud
Platforms	Web	Web, iOS, Android
Support	Email, Community	Phone, Tickets, Docs
Compliance	SOC 2, ISO 27001, HIPAA	SSO/SAML
Built for	Solo, Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Sentry Web Vitals 1/3 · Splunk Real User Monitoring 0/3
Real-user monitoring	✓ (best)	Not checked yet
Synthetic monitoring	Not checked yet	Not checked yet
CI budget checks	Not checked yet	Not checked yet
Specs
Alert channels	Email	Not checked yet
Data retention	90 days	Not checked yet
Synthetic test locations	Not checked yet	Not checked yet
Our review
Pros	Collects production LCP, INP and CLS in a weighted performance score Span waterfalls help investigate expensive operations Profiling and flame graphs trace slow loads to contributing functions	Monitors Core Web Vitals across browser and native mobile applications Correlates frontend interactions with Splunk APM backend traces Supports OpenTelemetry and 200 integrations across cloud and development stacks
Cons	Requires Sentry SDK configuration for browser apps and frameworks The feature is presented within Sentry, not as a separately priced product Advanced dashboards and SAML/SCIM support require Business	No free plan is offered Pricing is based on sessions rather than a flat platform fee Cloud deployment may not fit teams requiring self-hosted monitoring
Our verdict	Sentry Web Vitals is a real-user performance monitoring feature for developers who need to understand page loading, interactivity and visual stability in production. Browser transactions provide LCP, INP and CLS measurements, which Sentry… Read the review →	Splunk Real User Monitoring is a cloud service for engineering and IT operations teams monitoring browser and native mobile application experiences. It covers Core Web Vitals, web and mobile performance, errors, crashes, long resource… Read the review →

Strengths and trade-offs

• Sentry Web Vitals — where it wins

  • Collects production LCP, INP and CLS in a weighted performance score
  • Span waterfalls help investigate expensive operations
  • Profiling and flame graphs trace slow loads to contributing functions

  Where it doesn't

  • Requires Sentry SDK configuration for browser apps and frameworks
  • The feature is presented within Sentry, not as a separately priced product
  • Advanced dashboards and SAML/SCIM support require Business

• Splunk Real User Monitoring — where it wins

  • Monitors Core Web Vitals across browser and native mobile applications
  • Correlates frontend interactions with Splunk APM backend traces
  • Supports OpenTelemetry and 200 integrations across cloud and development stacks

  Where it doesn't

  • No free plan is offered
  • Pricing is based on sessions rather than a flat platform fee
  • Cloud deployment may not fit teams requiring self-hosted monitoring

• SWSentry Web Vitals9.3/10 · Free plan · 14-day trial

  Production browser metrics connect web vitals to trace and code-level debugging.

  Visit SentryFull verdict →
• Splunk Real User Monitoring8.6/10 · Paid

  Splunk RUM pairs Core Web Vitals with mobile monitoring and frontend-to-backend tracing.

  Visit Splunk RUMFull verdict →