The Daily Journal and Diary with fingerprint Lock. Keep your thoughts under lock and key with our secret diary with lock. Diaries and journals: windows to our souls, documenting the journey of our lives. Use this secret journaling app with pattern lock, pin lock, and fingerprint lock to protect your private thoughts, personal diary, and daily notes. My Diary with Lock is a one-stop application for all your daily planning needs. You can use this daily diary journal with lock to record your memori