Microsoft retires Cortana app for iOS and Android The app's demise wasn't exactly a shock. Listen - 01:13 Bye bye, Cortana on Android and iOS. Nate Ralph/CNET Microsoft officially put the Cortana app for iOS and Android out to pasture on Wednesday, announcing the end of support for the mobile apps, effective immediately. Reminders and lists created by Cortana users will no longer be accessible through the mobile app, but they still can be used on the Windows 10 Cortana app, Microsoft said in a Microsoft support page. Stay in the know Get the latest tech stories with CNET Daily News every weekday.