Apparently, the app wasn't wasn't released until Feb 1. Also, The New York Times reported that the Iowa Democratic Party was secretive about using the app, and

Apparently, the app wasn't wasn't released until Feb 1. Also, The New York Times reported that the Iowa Democratic Party was secretive about using the app, and that it asked that Shadow’s name be withheld from the public. "According to a person familiar with the app, its creators had repeatedly questioned the need to keep it secret, especially from the Iowa precincts where it would be used." This doesn't necessarily mean there is a huge conspiracy, but the optics -and the reality- of the party machine functioning properly is terrible, and the choice is between incompetence or malfeasance. Either way, they shot themselves in the foot, and it's not a good look.