An honest status page that shows your historical downtime in full and lets your customers trust your service more by seeing exactly what your uptime is.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)

Sites and apps similar to Checkly include Uptime Kuma, which is free and open source. Other options are UptimeRobot, Pingdom, Quimonit and soapUI. You're spoiled for choice with Website Monitoring Tools like Checkly: we list more than 50 alternatives for Mac, Windows, Linux, self-hosting and Android.
An honest status page that shows your historical downtime in full and lets your customers trust your service more by seeing exactly what your uptime is.

PingRelay monitors your services and instantly alerts you when something breaks so you can respond before users are impacted.

ApiChecker is reliable uptime and performance monitoring for your service. It uses different servers around the world to verify your service/API/WebSite performance and uptime ?! We also provide different way to keep you notified about downtime - it can be SMS , Slack, Email...




Easy-to-use and accurate real-time monitoring of your websites and APIs to keep you up to date with performance. In the event of an outage, we notify you immediately via email, Slack, Webhooks, SMS, Telegram, or Discord.



No-code website monitoring runs scheduled real-browser checks for checkout, login pages, signup flows, and key forms. It detects meaningful page changes, captures screenshots, summarizes failures in plain English, and sends alerts through email, Slack, or webhooks.



HyperMonitors is uptime monitoring for people who are tired of false alarms. Every check runs from probes in Europe, the US and Asia-Pacific, and an outage is confirmed from a second region before anyone gets paged — so a hiccup on one network path doesn't wake you at 3 a.m.



Turn downtime into happy customers. The complete system status platform: incident management and system monitoring in one. Bring transparency to your users with beautiful, customizable status pages hosted securely external from your infrastructure.


Reliable uptime monitoring, status pages and rapid alerting service designed with the needs of online businesses in mind.



Standard uptime monitors like UptimeRobot only tell you if your server is turned on (returning a 200 OK status). But what happens when a bad plugin update breaks your "Add to Cart" button? Your server stays online, your monitor stays green, and you silently lose sales.




UpTower is an easy-use tool for website monitoring. UpTower checks websites in 1-minute intervals and notifies user via push notifications about every outage immediately. Using UpTower app user can monitor websites and their availability for free.



Notifier monitors your websites, APIs, and servers around the clock and alerts you the moment something goes down. It checks as often as every 30 seconds and sends notifications through email, SMS, voice calls, and Slack so you never miss an outage.

Website and server monitoring that shows what visitors see: real-browser screenshot diffs plus uptime, SSL, DNS, performance, content and API checks.
