Monitoring & analytics
Uptime, errors, logs, traces and product analytics. Retention is listed when the free plan named it.
Monitoring & analytics 9
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Sentry
Developer
1 user
Error, tracing and session replay. The Developer plan is $0 and limited to one user, with error monitoring, tracing and email alerts.
$0; error monitoring and tracing, alerts and notifications via email
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Better Stack
$0 / month
10 monitors & heartbeats
Uptime, logs, traces, metrics and a status page under one account. The $0 personal plan includes a handful of monitors and a modest observability allowance.
1 status page, Slack and email alerts, 100,000 exceptions/month, 5,000 session replays, 3 GB logs and traces retained 3 days, 30 GB metrics
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Checkly
Hobby
10 uptime monitors
API and Playwright checks from multiple regions. Hobby is $0 a month for personal projects, with caps on monitors and on synthetic check runs.
$0 / month; 2-minute maximum frequency, 6 locations, 1,000 browser checks and 10,000 API checks
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Cronitor
Hacker
5 monitors
Cron, uptime and job monitoring. The Hacker plan is $0, labelled free forever, and is aimed at homelabs and small projects.
$0, free forever; email and Slack alerts, a basic status page, no SMS and no premium integrations
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Grafana Cloud
Always free
Always $0
Hosted Grafana, metrics, logs and traces. The Always free plan is $0, with usage limits, community support and a two-week retention window.
All Grafana Cloud services with usage limits; 14 days retention for metrics, logs and traces; community support
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PostHog
Free
1 million analytics events / month
Product analytics, session replay, flags and more in one product. The free allowance renews every month, with or without a card, and is described as not a trial.
No credit card, not a trial; also 5,000 session recordings and 1 million feature-flag requests a month on the free allowance
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Cloudflare Web Analytics
Free product
Included with Cloudflare
Privacy-oriented web analytics from Cloudflare, offered without a paid plan on the product page. It does not use cookies in the usual analytics sense.
The product page presents Cloudflare Web Analytics as a free, privacy-first analytics offering
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Healthchecks.io
Hobby
20 jobs
Cron job monitoring by expected pings. The Hobby plan is $0 a month, with a cap on how many jobs you can watch and how many log entries each job keeps.
$0 / month; 100 log entries per job
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Umami Cloud
Hobby
100,000 events / month
Open-source web analytics with a hosted cloud. Hobby is $0 a month, limited to one website and a monthly event cap, with half a year of retention.
$0 / month; 1 website, 6-month data retention, community support
Nothing matches.
Other lists
When a limit changes
A short note when we re-check the list. No other mail.