Monitoring tools for AI-built apps
Know when it breaks: errors, uptime, logs and product analytics. 4 options, each with its free plan and the catch.
Every monitoring option
Sentry
Error monitoring and tracing. See the stack trace, the browser and the release behind every crash your users hit.
Free Developer plan: free for one user PostHog
Product analytics, session replay, feature flags, error tracking and surveys in one tool, with a free allowance that resets every month.
Free 1M analytics events, 5K session recordings, 1M feature-flag requests per monthUptimeRobot
Pings your site, API or port on a schedule and alerts you when it goes down. Includes a basic public status page.
Free 50 monitors at a 5-minute interval Better Stack
Uptime monitoring, status pages, logs and Sentry-compatible error tracking on one platform.
Free 10 monitors and heartbeats, 1 status pageFree tiers side by side
The first two lines of each free plan, and the price where paid plans start.
| Tool | Free plan | Paid from |
|---|---|---|
| Sentry | Developer plan: free for one user; Error monitoring and tracing, email alerts | Team: $26/month (billed annually) |
| PostHog | 1M analytics events, 5K session recordings, 1M feature-flag requests per month; 100K exceptions for error tracking | See the pricing page |
| UptimeRobot | 50 monitors at a 5-minute interval; HTTP, keyword, ping and port monitors | See the pricing page |
| Better Stack | 10 monitors and heartbeats, 1 status page; 100,000 exceptions per month, 5,000 session replays | See the pricing page |