Alternatives to updown.io
A hosted website monitor that checks HTTP, TCP and ICMP endpoints, certificates and cron jobs. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
updown.io
A hosted website monitor that checks HTTP, TCP and ICMP endpoints, certificates and cron jobs.
Replacements
Listings that take over the same core job as updown.io.
UptimeRobot
A hosted uptime monitoring service with 50 free monitors, alerts and public status pages.
UptimeRobot adds a free plan with 50 monitors, public status pages, a CLI and a mobile app, though multi-location checks may need a paid plan.
Better Stack Uptime
A hosted uptime monitor that checks websites, APIs, SSL certificates and domains and sends alerts.
Better Stack Uptime has a usable free plan with a status page, Playwright browser checks and failure screenshots, but free checks run at 3-minute intervals.
StatusCake
A hosted monitoring service for website uptime, page speed, SSL certificates, domains and servers.
StatusCake is freemium and covers uptime, page speed, SSL, domain and server checks with status pages, though free tier limits are not stated on the homepage.
Pingdom
A hosted website monitoring service with uptime, page speed, transaction checks and real user monitoring.
Pingdom is a paid SolarWinds service adding transaction checks, real user monitoring and page speed monitoring, aimed at businesses with no free plan beyond the trial.
WebGazer
A hosted service for website, API, port and cron job monitoring with public status pages.
WebGazer gives 50 free monitors with HTTP, API, port and cron heartbeat checks and hosted status pages, with free checks every 5 minutes.
Oh Dear
A hosted website health monitor covering uptime, SSL, DNS, cron jobs, broken links and performance.
Oh Dear is paid and adds whole-site broken link crawling, DNS checks, performance monitoring and status pages, hosted in the EU with a signable DPA.
Cronitor
A hosted monitoring service for cron jobs, background workers, websites and APIs, with failure alerts.
Cronitor focuses on cron jobs and background workers with run output and metrics, plus uptime and SSL checks from 12+ locations, on a freemium plan.
Statping-ng
A self-hosted status page and uptime monitor, maintained as a community fork of Statping.
Statping-ng is free open-source GPL-3.0 software you host yourself, giving uptime checks and a status page without a paid hosted service, but with irregular maintenance.
Also worth comparing
These listings name updown.io as their own alternative, so the relationship runs both ways.
Cert Spotter
A hosted Certificate Transparency monitor that alerts on unauthorized, expiring and invalid SSL certificates for your domains.
updown.io includes certificate and domain expiry monitoring in a usage-priced uptime service, but does not detect unauthorized certificate issuance.
Checkly
A code-first monitoring platform that runs Playwright browser checks and API tests from global locations.
updown.io provides simple usage-priced HTTP, TCP and ICMP checks from two locations, without browser transaction tests or monitoring as code.
Dead Man's Snitch
A hosted monitoring service that alerts you when a cron job or scheduled task fails to run.
updown.io includes cron job monitoring along with HTTP, TCP and certificate checks, priced by usage with no free tier mentioned.
HetrixTools
A hosted uptime, server metrics and blacklist monitoring service with a free tier and instant alerts.
updown.io is paid by usage with check intervals from 15 seconds and two-location confirmation before alerting, but has no free tier mentioned and no blacklist monitoring.
TrackSSL
A hosted service that monitors SSL/TLS certificates and sends alerts before they expire or change.
updown.io is a paid usage-priced monitor covering certificates and domain expiry together with HTTP, TCP, ICMP and cron checks, with many alert channels and webhooks.
Uptime.com
A hosted monitoring service for websites, APIs and cron jobs, with alerting and status pages.
updown.io is a simpler usage-priced monitor with HTTP, TCP, ICMP, certificate and cron checks, without real user monitoring or mobile apps.
Similar software
Related functionality, not a direct replacement.
cron-job.org
A free hosted scheduler that calls URLs on a schedule, from once a minute to yearly.
Hyperping
A hosted service for public and private status pages with built-in uptime monitoring.
Instatus
A hosted status page service with service monitoring, alerts and team incident handling.
Is It Down Right Now
A web tool that checks whether a website is down for everyone or only for you.
