Recently, artificial intelligence-powered FaceApp has gone viral over its ability to make someone look older in an uploaded photo. Although selfie enthusiasts were humored by the results, privacy advocates were alarmed by the app’s ties to Russia and allegations the app can upload a device’s entire photo library to the cloud.

In a statement, FaceApp denied its app uploads a user’s photo library to its cloud storage. But that hasn’t cooled privacy concerns around FaceApp and other similar apps.