https://www.vice.com/en_us/article/z3b3g9/here-is-a-link-to-the-shadow-inc-app-that-blew-up-the-iowa-caucus

Motherboard is publishing the app used to tabulate early voting results in Iowa’s Democratic Presidential primary.

The app, called IowaReporter, ultimately won't affect the vote totals of the Iowa caucuses, which are being recounted with paper ballots and other hard documentation. But the app's failure—and the widespread attention this failure has received—spurred chaos on election night, followed by speculation, conspiracy theories, and political jockeying.