Better Stack
↗Uptime checks, logs, incident response and status pages in one place.
FreemiumNo card
Free: 10 monitors/heartbeats, 1 status page, 3 GB logs and 3 GB traces with 3-day retention, 30 GB metrics, 100k exceptions and 5k replays.
Monitoring
13 tools
Checkly
↗Code-first synthetic monitoring for web apps and APIs using Playwright.
FreemiumNo card
Hobby at $0: 10 uptime monitors, 2-minute minimum frequency, 10k API runs and 1k browser/Playwright runs per month across 6 locations. No card.
Cronitor
↗Monitor cron jobs, websites, APIs and heartbeats with developer-friendly alerts
FreemiumNo card
Free plan: 5 monitors, email and Slack alerts, a status page, 5-minute checks and 50 subscribers. Business: 14-day trial, then $2 per monitor and $5 per user per month.
Grafana Cloud
↗Hosted dashboards, metrics, logs, traces and application observability.
FreemiumNo card
10k metric series, 50 GB logs, 50 GB traces and 14-day retention for 3 users.
healthchecks.io
↗Monitor cron jobs and background tasks with simple heartbeat URLs.
FreeNo card
Hosted free plan: 20 checks for one team member with email, webhook and chat integrations.
Highlight.io
↗Full-stack observability with session replay, errors, logs and traces
FreemiumNo cardOSS
Free forever: 500 monthly sessions, AI error grouping and up to 15 seats.
Instatus
↗Monitor services, coordinate incidents and publish polished status pages
FreemiumNo card
Starter free forever: 15 monitors with 2-minute checks, email alerts, 5 team members, 2 on-call members, a public status page and 200 subscribers. No credit card required.
Logtail
↗Centralize structured logs and query them quickly with SQL-like syntax.
FreemiumNo card
Better Stack free logs: 3 GB with 3-day retention, live tail, SQL queries and alerts.
New Relic
↗Full-stack application performance and infrastructure monitoring.
FreemiumNo card
Free: 100 GB ingest/month, one full-platform user, unlimited basic users and 500 synthetic checks. No credit card required.
OpenStatus
↗Open-source uptime monitoring and status pages managed as code
FreemiumNo cardOSS
Hobby free plan: one monitor, one status page with three components and a minimum 10-minute check interval. No credit card required.
Sentry
↗Track errors, performance traces and user sessions across your stack.
FreemiumNo card
Developer: 5k errors, 5M spans, 50 replays and 5 GB logs/month for one user.
Uptime.com
↗Website, API and real-user monitoring with alerts and incident workflows.
Trial onlyNo card
No permanent free tier: 14-day trial with no credit card; paid website monitoring currently starts at $9/month with annual billing.
UptimeRobot
↗Simple uptime monitoring with alerting and public status pages.
FreemiumNo card
Free at €0: 50 monitors with 5-minute checks, 3-month retention, basic status pages and core HTTP/port/ping/keyword/API monitoring. No card.
ABOUT US
Curated tools, honestly reviewed.
Every tool in this category has been manually reviewed. Pricing, free tier limits and card requirements are checked before listing.
FAQ
Questions, answered.
Are these the best tools in this category?＋
They're the ones we'd actually use. We prioritize tools with a clear use case, a working free tier, and honest pricing, not the most popular or most marketed.
How do I filter by free tools only?＋
Use the pricing filter in the sidebar. Select Free or Freemium to narrow the list. Each card also shows whether a card is required.