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
New Relic Free tier

Full-stack observability platform with APM, infrastructure, logs, and browser monitoring.

Free 100 GB/mo · Free Engineering teams wanting all-in-one observability
APM Infrastructure Logs Browser

Quick comparison: Uptime Robot vs Datadog

Feature Uptime Robot Datadog
Starting price Free $15/host/mo

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