Ultraviolet Observability vs Relvato

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Ultraviolet Observability compared with Relvato
Detail	Ultraviolet Observability	Relvato
What it does	Self-hosted observability platform for Kubernetes that keeps all telemetry data within your firewall	Continuous website monitoring and regression testing that re-tests critical flows in a real browser every time your site changes
Stage	Startup	Startup
Founded	Not given	2026
Based in	Not given	RO
Pricing model	Paid	Freemium
Pricing	Evaluation: Free for 30 days with full-function core and unlimited nodes during trial. Connected: $25 per node per month with 10-node minimum, billed on node-minutes. Air-gapped: Annual hand-carried license with no call-home. No per-GB, per-span or per-user fees.	Free: $0/month (1 site, 100 runs/month, weekly or on-demand runs). Pro: $29/month (1 site, 1,500 runs/month, re-runs on every change, daily schedule). Business: $79/month (5 sites, 8,000 runs/month, hourly or more frequent runs, 3 team members, Relvato AI fixes, Slack alerts). Agency: $199/month (25
Key features	Distributed traces and APM with automatic instrumentation across HTTP, gRPC, DNS and databases Logs correlated to traces with severity faceting and live tail Metrics pipeline supporting Prometheus remote-write and Fluent Bit Kubernetes and infrastructure monitoring with node and workload health Dashboards, SLOs with error budgets and Datadog dashboard import Local alerting rules evaluated inside the core routed to Slack, PagerDuty, Teams or email Real user monitoring with Core Web Vitals, session replay and browser to backend trace stitching Multi-site support with remote clusters dialing home over outbound mTLS OpenTelemetry-native support for OTLP over gRPC and HTTP No code instrumentation required for application tracing	Real browser regression testing after every site change Checkout and payment flow monitoring Google Search Console and Bing Webmaster Tools monitoring Visual regression and structure drift detection Security scanning for vulnerabilities and signs of hacks Core Web Vitals and real-user speed monitoring Quarantine mode for post-hack monitoring AI-powered fix suggestions and plain-language alerts WordPress plugin for authenticated monitoring White-label client reports and status pages
What makes it different	Zero telemetry egress and all data stays on customer infrastructure Predictable pricing based on node-minutes with no per-GB or per-span charges Automatic instrumentation with no code changes required	Event-driven monitoring that re-checks only when your site changes, not on wasteful fixed schedules Real customer flows tested in real Chrome, not just HTTP pings Built by engineers with 20+ years of experience in WordPress, security and SEO
Community votes	0	0
DR (Domain Rating by Ahrefs)	23 +5 (up) since last check	33 +1 (up) since last check
Trust Flow (Majestic)	0	1
Citation Flow (Majestic)	20	29
Referring domains (Majestic)	5	36

6 details filled in for both companies.

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