PingPing is described as 'Get notified by the simplest uptime monitoring service in the world, when your website is down or your certificate becomes invalid. No more, no less' and is a Uptime Monitor service in the network & admin category. There are more than 50 alternatives to PingPing, not only websites but also apps for a variety of platforms, including SaaS, Android, iPhone and iPad apps. The best PingPing alternative is Uptime Kuma, which is both free and Open Source. Other great sites and apps similar to PingPing are Better Stack Uptime, UptimeRobot, Pingdom and WebOrbiton Monitor.