Website and server monitoring that shows what visitors see: real-browser screenshot diffs plus uptime, SSL, DNS, performance, content and API checks.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Online
- iPhone
- Android

Apps similar to Spectate include Uptime Kuma, which is free and open source. Other options are Better Stack, UptimeRobot, Pingdom and Kener. There's no shortage of Website Monitoring Tools like Spectate, with more than 50 alternatives for the web, self-hosting, Android, iPhone and Windows.
Website and server monitoring that shows what visitors see: real-browser screenshot diffs plus uptime, SSL, DNS, performance, content and API checks.

Uptime and error monitoring for websites, APIs, ports, DNS and SSL certificates — instant alerts across 12 channels, grouped error tracking and public status pages, GDPR-compliant.



Ultralight open source server monitoring agent, written in Rust. Ships CPU, RAM, disk and network metrics over OTLP to any compatible backend.
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.



A simple status page service you set up in seconds and forget. It stays resilient so your public status page doesn't depend on your main site. Includes real-time incident updates, native HTTP/TCP/Ping monitoring, and custom domains with automatic SSL certificates managed for...


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.

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.




Simple uptime monitoring with SSL tracking, status pages, and smart alerts. Built for developers and small teams who value simplicity.
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.




Native iOS, iPadOS and watchOS app for monitoring and controlling self-hosted homelab services, with no backend, account, or telemetry.



AI-powered website, API & server monitoring with SSL alerts, EC2 control, and performance tracking. Starts free, built for developers & indie hackers.


Centralizes real-time monitoring of servers, containers, Kubernetes clusters, SNMP devices, firewalls, storage, and databases in a user-friendly dashboard with alerts, multi-user support, setup wizard, REST API, customizations, mobile access, and backup options.
