How many devices can I add and manage in the Kaiterra app? Kaiterra Support January 31, 2019 10:02 Follow You can add as many Laser Eggs as you wish to your Kaiterra app, and manage all of them in one spot. Related articles How to add your Laser Egg to the Kaiterra app How to understand air quality data Why isn’t the app showing the readings on my Laser Egg? Is the app free? The readings on my Laser Egg don’t match my local station’s data. Why is that? Comments 0 comments Please sign in to leave a comment.