Apps similar to UpTower include Uptime Kuma, which is free and open source. Other options are Better Stack, UptimeRobot, Pingdom and HetrixTools. Website Monitoring Tools like UpTower are a crowded field, with more than 100 alternatives for the web, Windows, Linux, Mac and self-hosting.
AlertFox can monitor even complicated steps, (e.g., the complete check out process, not just store uptime)! Only AlertFox can monitor the function and performance of sites that rely on any of the major rich internet applications (RIA), including ActiveX, AJAX, Flash, Flex...
Netumo is a 24x7 Website Uptime monitor with Domain Tracking, so it can let you know when your site is down and back up and let you know when your domain is about to expire. You can get notified through email, SMS, Slack, Microsoft Teams, or Twitter.
United Kingdom
Peace of mind that your website is up and running 60/24/7/365. If you don't hear from us, everything is fine, if you do, then you can get any issues resolved ASAP to avoid lost business and maintain a professional image.
United Kingdom
Cloudeprobes is a monitoring tool for checking the up-time. It performs simultaneous, configurable checks for websites, servers or API endpoints from multiple locations, analyzes the responses and sends notifications when intolerable downtime occurs.
Website downtime alerts and website monitoring - receive email alerts and SMS alerts worldwide if your website goes down. 60 websites monitored every 3 minutes, completely free. Powerful Pro features.
WatchSumo monitors your website uptime, and sends your email, webhook or Slack alerts when there is a problem.
Monitor SSL certificates, domain expirations, and service uptime in one powerful, developer-friendly dashboard.
Uptime monitoring, incident response, on-call escalation, and branded status pages for websites, APIs, services, and servers.
Australia
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.
Germany
EU
PingRelay monitors your services and instantly alerts you when something breaks so you can respond before users are impacted.
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.
Türkiye
Simple website availability and uptime monitoring tool. No installation, checks for backend and frontend errors.
