This Guardian piece on digital phenotyping includes a paragraph on Bi Affect, the App that was developed at UIC to track mood changes in patients with mood disorders. Dr. Alex Leow developed the BiAffect!

We all fear our smartphones spy on us, and I’m subject to a new type of surveillance. An app called TapCounter records each time I touch my phone’s screen. My swipes and jabs are averaging about 1,000 a day, though I notice that’s falling as I steer shy of social media to meet my deadline. The European company behind it, QuantActions, promises that through capturing and analysing the data it will be able to “detect important indicators related to mental/neurological health”.