Macgo iPhone Cleaner - Macgo iPhone Cleaner is an excellent iOS cleaner tool.
Knoto - Send photos to friends automatically using face recognition
Cisdem iPhoneCleaner - Safe iPhone cleaner to clean iPhone, iPad, iPod touch junks to free up space and backup iPhone Mac.
Face++ - API for face detection – also detects gender, age, pose
PhoneClean - PhoneClean is the best and even free iPhone cleaner software for all your iPhone cleaning, maintaining and privacy protecting needs. It brings you the new iPhone, iPad experience that you will appreciate every day.
FaceAware - Image processing with the ability to focus on faces 📸👶