Sites and apps similar to SSLTrackr include UptimeRobot, which has a free version. Other options are StatusCake, HetrixTools, Instatus and Uptime.com. You can choose from more than 10 Uptime Monitor Services like SSLTrackr for Android, iPhone, iPad, Chrome OS and Mac.
Free real-time monitoring for 50 sites every 5 minutes. Custom alerts through email, SMS, calls, and apps like Slack, PagerDuty, and more. Use status pages and mobile apps for easy management.
Slovakia
EU
Provides uptime, performance, and page speed monitoring for up to 10 websites. Offers customizable alerts by email, SMS, or third-party apps, root cause analysis, mobile support, server and SSL checks, plus a free plan with detailed reports for diagnostics.
United Kingdom
HetrixTools offers minute-by-minute global uptime monitoring with 15 free monitors, blacklist alerts for IPs and domains, and server resource tracking. Features a user-friendly design, public uptime pages, white label reports, and continuous updates for enhanced functionality.
United States
![(dark mode) Server Resource Monitoring [1]](https://img.alternativeto.net/s/309x197/jpeg/hetrixtools_672860_full.png)
Instantly set up static status pages that load up to 10x faster, enable unlimited team updates, notify all subscribers for free, and operate independently of backends. Plans start free, with paid options well below legacy competitors’ prices. Boosts reliability and keeps users informed.
United States
Real-time monitoring with checks every minute from over 30 global locations, alerts for outages or slowdowns, detailed uptime and response time reports, customizable alerts, public status pages, SSL and domain monitoring, and REST API for automation.
United States
Receive detailed website downtime alerts by phone, SMS, email, or Slack, monitor uptime and performance in real time from global data centers, avoid false positives, create customizable status pages, generate incident management and performance reports.
Ukraine
All-in-one uptime monitoring platform- HTTP, SSL, domains, cron jobs, DNS, and status pages in one tool. 10+ global probe regions with multi-region consensus alerting to eliminate false positives.
United Kingdom
Website monitoring for uptime, APIs, forms, logins and checkout flows, with actionable evidence when something breaks.
RomaniaEU
Uptime monitoring without false alarms. A second region confirms every failure, and your AI assistant can check it all over MCP.
EstoniaEU
Vioro is a privacy-first, EU-native website monitoring platform that tracks uptime, SSL, and CMS vulnerabilities entirely from the outside, requiring zero plugins.
Norway
![(dark mode) Server Resource Monitoring [1]](https://img.alternativeto.net/s/618x394/avif/hetrixtools_672860_full.png)
