Ecovent has free mobile applications for most Android and Apple smart devices...
Android:
Android smartphones and tablets require Android 4.0.3 (Ice Cream Sandwich) or later. The Ecovent App is available free from the Google Play store.
Apple (iOS):
Apple iPhones, iPad and iPod Touch require iOS 8.0 or later and the Ecovent App is available free from the Apple App store.
Compatible iOS devices include: iPhone 4S or newer, iPad 2 or newer, iPod Touch (5th generation or newer).