while we take care of your subscription management.
Mobile
SDK by Qonversion.
vs. average for the Entertainment category, $, by region
Build, analyze, and grow in-app subscriptions
Test your ExtraSensory PERception in this telepathy test game. Do the practice session to foresee black or red cards in a standard french deck. If you think you're up to the task, proceed to the Zener Test to check which ESPER Level you are.