Face++ - API for face detection – also detects gender, age, pose
Uninstall - Reduce you app uninstalls & increase your re-installs.
Facesoft - The world's most accurate face recognition algorithm
UserLeap - AI-powered, continuous research for product teams
Facial Recognition by FB - Get notified if someone tries to use your photo on Facebook
Brieferr - Actionable insights about your product with form you collect.