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Last9 Real User Monitoring

Last9 Real User Monitoring captures performance, error, and network data from people using web and mobile apps, then links frontend issues to backend traces.

Place
#22 of 29
Score
5.9
Last9 Real User Monitoring's website

What Last9 Real User Monitoring is

Last9 Real User Monitoring captures performance, error, and network data from people using web and mobile apps, then links frontend issues to backend traces. Its five SDKs cover Web, Android, iOS, React Native, and Flutter. The web SDK records Core Web Vitals, JavaScript errors, promise rejections, fetch and XHR requests, and single-page app route changes. Mobile SDKs capture launch and screen timings, crashes, and DNS, TCP, TLS, and TTFB network phases; Android also detects ANRs. SDKs add W3C trace context so frontend requests and backend work can share a distributed trace. Last9 collects diagnostic telemetry without recording rendered DOM, screen video, or visual session replay. Sampling can be set per session from 0 to 100 percent. Alerts can target error rate, p95 latency, crashes, and ANRs. Last9 lists more than 100 integrations and says its RUM SDKs emit spans and logs over OTLP. Pricing is custom, with no published price or included limits; no free plan or trial is listed.

Good

  • SDKs cover web, Android, iOS, React Native, and Flutter.
  • Connects frontend requests and backend work through trace context.
  • Per-session sampling ranges from 0 to 100 percent.
  • Alerts can target errors, latency, crashes, and ANRs.
  • Diagnostic telemetry does not include visual session replay.

Watch out

  • No free plan is listed.
  • No free trial is listed.
  • Pricing and included limits are not published.

Who it suits

Last9 RUM suits teams monitoring web and mobile app performance, errors, and network behavior alongside backend traces. Its SDKs cover web, Android, iOS, React Native, and Flutter.

Verdict

Last9 RUM connects frontend diagnostic telemetry with backend traces and supports web and mobile SDKs. Buyers need to contact the vendor for custom pricing, and the product does not record visual session replay.

Plans and prices

From Last9 Real User Monitoring's own pricing page, checked 1 Oct 2026.

All about pricing
PlanPriceWhat it gives you
Custom pricingPriced on requestNo published price or included limits · Contact vendor for pricing

The facts

Each one read from Last9 Real User Monitoring's own pages, with the date it was checked.

What it does

Alerting
RUM alerts can target error rate, p95 latency, crashes, and ANRs using the same alerting engine as backend telemetry.checked 1 Oct 2026
Backend correlation
SDKs add W3C trace context in a traceparent header so frontend requests and backend work can share one distributed trace.checked 1 Oct 2026
Compliance
Last9 displays SOC 2, PCI DSS, HIPAA, and ISO 27001 compliance badges.checked 1 Oct 2026
Integrations
Last9 lists more than 100 integrations, including Grafana, Kubernetes, PostgreSQL, Datadog, AWS, Azure, New Relic, Google Cloud, Slack, Docker, Prometheus, and MySQL.checked 1 Oct 2026
Mobile telemetry
Mobile SDKs capture launch and screen timings, crashes, and network DNS, TCP, TLS, and TTFB phases; Android also detects ANRs.checked 1 Oct 2026
No replay
Last9 records diagnostic telemetry without recording the rendered DOM, screen video, or visual session replay.checked 1 Oct 2026
OpenTelemetry
Last9 RUM SDKs emit spans and logs over OTLP and use OpenTelemetry-native telemetry workflows.checked 1 Oct 2026
Pricing model
RUM spans and logs are priced as ingested telemetry under Last9's usage-based model rather than by recorded session.checked 1 Oct 2026
Purpose
Real User Monitoring captures performance, error, and network data from people using web and mobile apps and links issues to backend traces.checked 1 Oct 2026
Sampling
Sampling is configured per session and supports rates from 0 to 100 percent in each SDK.checked 1 Oct 2026
SDK coverage
Last9 provides five RUM SDKs: Web, Android, iOS, React Native, and Flutter.checked 1 Oct 2026
Security
Last9 states that data is encrypted in transit and at rest and that it provides enterprise SSO, MFA requirements, role-based access, audit trails, and zero-trust architecture.checked 1 Oct 2026
Support
Last9 advertises 24x7 support from forward-deployed engineers.checked 1 Oct 2026
Web telemetry
The web SDK captures Core Web Vitals including LCP, FCP, CLS, INP, and TTFB, plus JavaScript errors, promise rejections, fetch/XHR requests, and SPA route changes.checked 1 Oct 2026

The company

Company
Last9 says it was made in California and has operated since 2020.checked 1 Oct 2026
Founded
2020checked 28 Sep 2026

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