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.
It is an All-In-One Site Monitoring & SEO Tool that Reports site Performance, Monitoring Key aspects from Server Health to Domain Expiry, Title text and Website Uptime with instant Alerts to any Issues.
Website monitoring that helps detect and resolve issues before they impact website users. Response time tracking, keyword monitoring, custom alerts via WhatsApp, email, SMS, and more.
Georgia
Simple uptime monitoring with SSL tracking, status pages, and smart alerts. Built for developers and small teams who value simplicity.
FlareCanary monitors REST and MCP endpoints for response schema changes. Point it at any endpoint you don't control, let it build a structural baseline from observed responses, and get alerted when that baseline drifts — before your integration breaks.
United States
Standard uptime monitoring with alerts that include diagnostic information, timing breakdowns and dashboard snapshots. Configure alerts for HTTP statuses, reachability and performance thresholds.
CrawlRhino SEO Monitor is a website uptime and SEO monitoring tool that tracks downtime, response times, and changes to important SEO elements such as titles, meta descriptions, and headings.
United Kingdom
Uptime monitoring, incident response, on-call escalation, and branded status pages for websites, APIs, services, and servers.
Australia
AI-powered website, API & server monitoring with SSL alerts, EC2 control, and performance tracking. Starts free, built for developers & indie hackers.
India
Simple, EU-hosted monitoring for APIs, websites and cron jobs — PingMon catches anomalies even when the status still says 200 OK, and an AI explains what actually broke.
Germany
EU
Real-browser monitoring for login, signup, and checkout flows — hourly checks with a screenshot alert the moment a step breaks.
Philippines
Free Website/Server Uptime Monitoring & Status Pages. Easy and reliable uptime and performance monitoring solution, with highly customizable and fast status pages.
Oack replaces three separate tools — uptime monitoring, incident management, and status pages — with a single platform built for engineering teams.
