Calibre RUM
6.3#16 in real user monitoringFrom $75 a monthWebAPI
VisitCalibre RUM vs Middleware
Middleware
8.2#1 in devops analytics software$0.30 usage-basedFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | Calibre RUM | Middleware |
|---|---|---|
| Audience | Calibre describes its platform as serving SEOs, agencies, product teams, and developers. | Middleware says its mission is to empower organizations of all sizes to modernize their infrastructure stack with observability tools. |
| Founded | 2017 | 2022 |
| Headquarters | Melbourne, Australia | San Francisco, California |
| Integrations | Calibre lists integrations including GitHub, Slack, Zapier, Netlify, Render, webhooks, a Node.js API, and a command-line interface. | Documented integrations include AWS, Azure, Google Cloud, Vercel, databases, Datadog, Grafana, Prometheus, Logstash, Fluentd and the OpenTelemetry Collector. |
| Product | Calibre RUM collects Core Web Vitals and other user experience signals from real browser sessions to help teams find slow pages and UX issues. | Middleware describes itself as a full-stack observability platform that detects issues across infrastructure, APM, and real user monitoring and helps resolve them with its AI SRE Agent. |
Calibre RUM plans
- Starter$75 a month
- Team$150 a month
- Company$1,500 a month
Middleware plans
- Free ForeverFree
- Pay As You Go$0.30 a month
- BYOCPriced on request
Pick Calibre RUM if…
It suits SEOs, agencies, product teams, and developers monitoring website experience. Teams needing Core Web Vitals, geographic breakdowns, and interaction tracking can use its reports.
Pick Middleware if…
Middleware may suit teams that need visibility across infrastructure, applications, databases, and real-user activity. Its free tier includes community support, while BYOC lists 24x7 support and a dedicated account team.