Is It Working? is described as 'SSL Certificate Monitoring, Cron Script Monitoring, Domain Monitoring'. There are more than 10 alternatives to Is It Working?, not only websites but also apps for a variety of platforms, including Android, iPhone, PHP and Linux. The best alternative is StatusCake, which is free. Other great sites and apps similar to Is It Working? are Healthchecks.io (Freemium, Open Source), Monitis (Paid), PushMon (Freemium) and WebGazer (Freemium).