Secret Diary with Lock and Backup is a lifestyle app developed by JJ Creations for Android devices. The app is designed to help users organize their thoughts, events, experiences, observations, work progress, memories, feelings, and secrets in a secure and simple way. With this app, users can lock their diary with a fingerprint, PIN, or pattern to keep it safe and protected.

One of the key features of this app is the backup and restore feature that allows users to store their diary data on their Google Drive account, making it easy to switch devices or retrieve lost data. The app also comes with an intruder detection feature that captures a picture of anyone attempting to unlock the diary with an invalid password. Additionally, the app features graph tools that track moods, an attractive user interface and theme, and a read-out-loud feature to read diary entries out loud in your own language.

Overall, Secret Diary with Lock and Backup is a well-designed app that provides a secure and easy way to organize and protect personal thoughts and memories.