Apps similar to OnlineOrNot include Uptime Kuma, which is free and open source. Other options are Better Stack, UptimeRobot, Tianji and Pingdom. There's no shortage of Uptime Monitor Services like OnlineOrNot, with more than 50 alternatives for the web, self-hosting, Linux, Android and iPhone.
Free website monitoring upto 5 free websites monitored, free email and uptime reports. Having a reliably functioning website is essential for the success of your business. We will monitor your website 24X7 from our servers and notify you whenever your site goes down, so that you...
PingRobot is a website monitoring service that alerts you when websites are not operational and when they come back online.
Spain
EU
Latency Atlas helps teams monitor websites, APIs, and scheduled jobs with multi-region checks, response time history, status pages, heartbeat monitoring, and an API for automation.
Japan
Nightlamp provides real-time monitoring and real-engineer diagnostics for no-code platforms like Bubble, Lovable, Webflow, and more. Unlike standard uptime monitors, Nightlamp goes beyond status checks by paging a human engineer to reproduce the issue, identify the root cause...
United States
Statusloop is an uptime monitoring service for solo developers and small SaaS teams. It checks websites and APIs at regular intervals and sends an alert as soon as something goes down or recovers.
GermanyEU
Sitespeed.io is an open source tool that helps you analyse and optimise your website speed and performance, based on performance best practices.
Simple website availability and uptime monitoring tool. No installation, checks for backend and frontend errors.
Uptimely simplifies monitoring the uptime of your services, alerts you to downtime, and helps you create status pages to keep your customers informed.
Website Uptime Monitoring Done Right. Remarkable Simplicity, Unparalleled Reliability and Unbeatable Value
Stasis uses machine learning to model normal activity patterns for your website or app, then lets you know if something looks unusual.
