Voice Diary: Your Personal Audio Journal Capture your thoughts, secrets, and memories with Voice Diary, the ultimate voice journaling app. Use our Diary app to record your daily events, appointments, secrets, and feelings. Develop a habit of jotting down quick mini-notes throughout your day. Capture your workout sessions, school or office happenings with just a few words. This journaling app is completely free to use. Ensure the security of your private thoughts and daily notes by using a patt