Last9 Real User Monitoring

Paid#9 of 27 in Real User Monitoring

Last9 Real User Monitoring: Broad web and mobile telemetry with trace correlation, crashes, ANRs, and alerting. Ranked #9 of 27 in Real User Monitoring by our editors (8.3/10); pricing: Pricing on request; best for teams needing broad web and mobile telemetry.

8.3/10★★★★☆Editor score

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At a glance

• Editor score
  8.3 / 10
• Pricing
  Pricing on request
• Best for
  Teams needing broad web and mobile telemetry
• Core Web Vitals
  Yes
• Founded
  2020
• Facts checked
  20 Sep 2026

• Where it wins

  • Covers web, Android, iOS, React Native, and Flutter SDKs
  • Correlates frontend spans with backend traces using W3C trace context
  • Combines Core Web Vitals, network timing, crashes, ANRs, and alerts

• Where it doesn't

  • Pricing uses a contact-sales model
  • The broad telemetry scope may exceed lightweight web monitoring needs
  • Open-source deployment is not part of the product

Our verdict on Last9 Real User Monitoring

Last9 Real User Monitoring is designed for engineering and platform teams that need visibility across web and mobile applications. It captures performance, error, network, session, view, and application telemetry across web, Android, iOS, React Native, and Flutter. Web monitoring includes Core Web Vitals such as LCP, FCP, CLS, INP, and TTFB. Mobile coverage adds launch, screen, network, crash, and Android ANR signals, giving teams a common monitoring layer across application surfaces.

Its standout capability is the connection between frontend experience and backend behavior. Last9 links frontend spans to backend traces using W3C trace context, while mobile network telemetry breaks timing into DNS, TCP, TLS, and TTFB spans. Teams can filter telemetry by application, environment, version, path, and geography, then create alerts for error rate, p95 latency, crashes, and ANRs. Custom events, attributes, and user identification add context to application behavior. This makes the product a strong fit when diagnosing issues requires more than browser performance metrics alone.

The broader ecosystem includes OpenTelemetry, Prometheus, Grafana, Kubernetes, PostgreSQL, Datadog, AWS, Azure, New Relic, Google Cloud, Slack, Docker, and MySQL. Data is explored alongside Last9 logs, metrics, traces, dashboards, and alerts, supporting teams that want RUM connected to a wider observability workflow. Pricing follows a contact-sales model and is described as usage-based telemetry pricing. Choose Last9 when web and mobile coverage, trace correlation, and cross-signal investigation matter; choose a narrower tool when the requirement is limited to simple web vitals monitoring.

Your product? Our editors can test Last9 Real User Monitoring in depth and publish a review, labelled as paid · from $149/mo →

Last9 Real User Monitoring pricing

Last9 Real User Monitoring fact sheet

Last9 Real User Monitoring integrations

Last9 Real User Monitoring lists 100+ integrations on its own site — the 13 named here are the ones its pages call out.

• OpenTelemetry
• Prometheus
• Grafana
• Kubernetes
• PostgreSQL
• Datadog
• AWS
• Azure
• New Relic
• Google Cloud
• Slack
• Docker
• MySQL

See all Last9 Real User Monitoring integrations →

Alternatives to Last9 Real User Monitoring

• Dynatrace Real User MonitoringA broad enterprise RUM suite with deep journey, mobile, replay, and error analysis.9.3
• New Relic Browser MonitoringA broad web RUM service with a useful free plan and platform-wide pricing.9.1
• Splunk Real User MonitoringA paid RUM service for teams connecting web and mobile experience data to Splunk APM.9.0

See all Last9 Real User Monitoring alternatives →

Featured on iTechGuides

Last9 Real User Monitoring is listed in our Real User Monitoring directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update