Compare · RealUptime Outages
RealUptime Outages vs IsDown
IsDown aggregates official vendor status pages and layers crowdsourced user reports on top, which is how it catches incidents vendors never officially posted: its own blog attributes those early detections to user reports arriving from multiple countries. That is real signal, and this page credits it. RealUptime Outages adds the piece neither source can supply: first-party probes measuring every tracked service directly, with per-region readings and a published methodology.
Independent probing of tracked services
Have
our own probes check every catalog service from ten regions on a 60-second-to-30-minute cadence
Don’t have
combines vendor status pages with crowdsourced user reports; no first-party synthetic probing is described in its public material
Catches incidents vendors never posted
Have
a probe failure flags an outage whether or not the vendor acknowledges it
Have
its headline strength: user-report spikes surface incidents before, or without, vendor acknowledgement, per its own monthly recaps
Published detection methodology
Have
the full method, thresholds included, is public at /outages/methodology
Not published
how user reports are collected, verified, and thresholded is not documented on the pages we could access
Per-region measured readings
Have
each outage page shows what every probe region measured
Don’t have
no per-region measurement data; the signal is reports plus vendor pages
Free access to outage data
Have
every outage page is public, free, and unmetered; no ads or trackers
Partial
paid plans from $22 a month (annual) with a 14-day trial; no permanent free tier, per its pricing page
Incident-tooling integrations
Partial
public pages and feeds today; not a vendor-incident pipeline for your on-call stack
Have
API access on all plans plus Datadog, PagerDuty, Slack, and Teams integrations
Is there a free tier?
RealUptime is free to start and never asks for a card. One signup turns on the free rung of every product: 10 monitors with a public status page, 5 server-agent slots, and 10,000 error events a month kept for 14 days. RealUptime Outages is free to read with no account at all.
IsDown: no permanent free tier. Paid plans start at $22 a month billed annually, with a 14-day trial.
Is it open source or self-hosted?
RealUptime's core is a hosted service and its source is not published, so there is no self-hosted edition of the platform itself. The parts that run on your side are open source at github.com/RealUptimeHQ: the CLI and the RealUptime Errors SDKs for JavaScript, Python, Go, PHP and Ruby are MIT-licensed, and the Grafana data source is Apache 2.0.
IsDown: a hosted product that publishes no source and no self-hosted edition.
Outage pages here are built from our own probe readings, so there is nothing to self-host; the pieces you can run yourself are the CLI and the SDKs named above.
Looking for an IsDown alternative?
For the reasoning behind checking from more than one region at all, see why a status page can show all green during a real outage. Comparing more than just this one alternative? The status page tool checklist covers what to test before committing to any of them.