Monitoring & Observability shortlist: Fully managed + APM / Traces
Narrow your monitoring shortlist by budget tolerance, primary signal type, and operational model. A startup running on a free tier has fundamentally different needs than an enterprise spending $10K/month on full-stack observability.
5 products match your constraints
Each product below fits the filters you selected. Click through to read the full decision brief — pricing behavior, limits, and what breaks first.
Datadog
Unified monitoring platform combining infrastructure metrics ($15/host/mo), APM ($31/host/mo), and log management ($0.10/GB/day) with 750+ integrations. Breadth is the selling point; cost compounds as…
Full-stack observability with consumption-based pricing ($0.30/GB after 100GB free/month). Covers APM, infrastructure, logs, and browser monitoring. The most generous free tier in the category.
Managed observability on open-source foundations (Grafana, Prometheus, Loki, Tempo). Metrics via PromQL, logs via LogQL, traces via TraceQL. Free tier: 10K active series, 50GB logs/month.
Sentry
Application error tracking and performance monitoring focused on code-level debugging. Stack traces, release health, session replay. Developer plan free; Team $26/mo; Business $80/mo.
Observability platform built around high-cardinality structured events and distributed tracing. Query-first debugging for complex distributed systems. Free tier: 20M events/month.
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