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.

Instatus is described as 'Instant status pages load up to 10x faster, support unlimited team members, notify all subscribers without extra fees, and offer static uptime monitoring at a fraction of competitors’ cost' and is a Uptime Monitor service in the network & admin category. There are more than 50 alternatives to Instatus for a variety of platforms, including Web-based, SaaS, Self-Hosted, Android and Docker apps. The best Instatus alternative is Better Stack. It's not free, so if you're looking for a free alternative, you could try Better Stack or UptimeRobot. Other great apps like Instatus are Monytra, FlareWarden, OpenStatus and Quimonit.
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.

Free Website/Server Uptime Monitoring & Status Pages. Easy and reliable uptime and performance monitoring solution, with highly customizable and fast status pages.




Hosted website and server monitoring that detects downtime, visual regressions, SSL issues, DNS changes, performance slowdowns, and content changes.

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.

Uptime monitoring for developers. Monitor APIs and websites, get alerts when they go down. 25 monitors free, unlimited for $15/month.


Pulsekeep is an uptime monitoring tool built for founders, developers, and small teams who care about catching real downtime without alert fatigue.

Monitor your websites, APIs, and cron jobs. Get email alerts on the free plan, or add Slack, Discord & Telegram on Pro. AI Powered Incident reports and Content change detection, custom status pages, and REST API included.



PingRobot is a website monitoring service that alerts you when websites are not operational and when they come back online.

AstroStatus is a user-friendly incident communication solution designed to help agile IT incident and services managers streamline and elevate their incident management processes.
AI-powered website, API & server monitoring with SSL alerts, EC2 control, and performance tracking. Starts free, built for developers & indie hackers.


KumaBar is the essential macOS app that provides a quick status view of your selected Uptime Kuma and Healthchecks.io monitors. This powerful uptime monitoring app integrates seamlessly into your menu bar for instant server monitoring.



Stop finding out your API is down from your users. CheckAPI is a solo-built, minimalist monitoring tool designed for developers who need peace of mind without the enterprise bloat.
