Is the app free? Kaiterra Support January 31, 2019 10:03 Follow Yes, it’s free! If you want to enhance your Laser Egg experience or need a live outdoor air quality app, download the Kaiterra app from the Apple App Store or the Google Play Store. Check your phone’s compatibility here. Related articles How many devices can I add and manage in the Kaiterra app? Why doesn’t my Laser Egg match the local AQI stations near me? Why isn’t the app showing the readings on my Laser Egg? How to set up your Kaiterra app What is the battery life? Are there batteries? Comments 0 comments Please sign in to leave a comment.