Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
AirMeasure - Turn your phone into a ruler with the power of AR
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Made With ARKit - Hand-picked curation of the coolest stuff made with ARKit
Better Uptime - We call you when your website goes down
Holo - Mix holograms into videos & photos in Augmented Reality