1
Datadog Free tier

Cloud-scale monitoring and observability platform for infrastructure, applications, and logs.

Free for up to 5 hosts with basic metrics · Paid from $15/host/mo Engineering teams running complex, multi-service infrastructure at scale
Infrastructure Monitoring APM Log Management Dashboards
2
Sentry Free tier Open Source

Application monitoring platform focused on error tracking, performance monitoring, and session replay.

Free for 5K errors and 10K performance events/mo · Paid from $26/mo Development teams that need to catch, triage, and fix errors quickly
Error Tracking Session Replay Performance Monitoring Release Tracking
3
BetterStack Free tier

Uptime monitoring, log management, and incident management platform with a clean, modern interface.

Free for 10 monitors with 3-minute checks · Paid from $24/mo Teams that want uptime monitoring, logs, and status pages in one clean platform
Uptime Monitoring Log Management Status Pages Incident Management
4
Grafana Free Open Source

Open-source observability platform for metrics visualization, dashboards, and alerting from any data source.

Free Teams wanting open-source dashboards and visualization
Dashboards Alerting Data Sources Open Source
5
Uptime Robot Free tier

Simple uptime monitoring service that checks your websites every 5 minutes and alerts you when they go down.

Free for 50 monitors · Free Anyone wanting simple, free uptime monitoring
HTTP Monitoring Status Pages Alerts API

Quick comparison: New Relic vs Datadog

Feature New Relic Datadog
Starting price Free $15/host/mo

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