Pushover is a simple push notification service that integrates easily into web apps like IFTTT, network monitoring systems, security cameras, shell scripts, IoT devices, and anything else that needs to send alerts to your iPhone, iPad, Desktop, and other robot-like mobile devices. App has a free 30-day trial and unlimited usage beyond the trial requires a one-time in-app purchase. Pushover includes an Apple Watch app and complications so you can push custom data straight to your watch face with our Glances API. Visit https://pushover.net/ to find apps, plugins, and services that support Pushover, or get an API key for your own app.