updown.io is a HTTP monitoring solution with a clean UI and a cheap and simple pricing. It notifies you of downtimes by email or SMS and provides a public status page you can share.


WatchSumo is described as 'Monitors your website uptime, and sends your email, webhook or Slack alerts when there is a problem' and is a Uptime Monitor service in the network & admin category. There are more than 10 alternatives to WatchSumo for a variety of platforms, including Web-based, SaaS, Android, iPhone and Self-Hosted apps. The best WatchSumo alternative is Uptime Kuma, which is both free and Open Source. Other great apps like WatchSumo are UptimeRobot, Pingdom, StatusCake and Upzilla.
updown.io is a HTTP monitoring solution with a clean UI and a cheap and simple pricing. It notifies you of downtimes by email or SMS and provides a public status page you can share.


Unlimited monitors checked from multiple location every minute. Monitor any port or setup a "heartbeat" that works well for cron jobs or any service behind a firewall. Be alerted as soon as your service is offline via email or app integration.

StablePing is a fully managed uptime monitoring service for just $3.95/month. Whenever your website goes down, their system will alert you within seconds via email or SMS (and they'll work with you to get it back online).
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.



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.





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







Pinger Man is a modern platform to monitor Uptime of Websites and Applications. It supports notification via Email, SMS and Web Hooks. Users can also showcase the uptime of their services using Public Status Pages.

Standard uptime monitoring with alerts that include diagnostic information, timing breakdowns and dashboard snapshots. Configure alerts for HTTP statuses, reachability and performance thresholds.



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...




Web monitoring service, which checks website every 5 minutes. It detects when it's offline, redirected, broken or even hacked. Provides SMS and email notifications, statistics and logs.


