What are some alternatives?
When comparing Hyperping and Pingdom, you can also consider the following products
UptimeRobot - Free Website Uptime Monitoring
Apex Ping - Uptime & performance monitoring for websites and APIs.
StatusCake - StatusCake | Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Site24x7 - Site24x7 offers both free & paid website monitoring services. Monitor websites remotely and receive instant email/sms alerts if your website becomes unavailable. View uptime & performance graphs of your website monitors.
RapidSpike - RapidSpike is an uptime and performance monitoring service for websites and web applications.
WebGazer - Monitor your website's availability with WebGazer, review its performance and get instant notifications when your website goes down. No installation required and free plan available.