My Secret Diary With Lock - Da is a free, secure, and private journal app that lets you write down all of your thoughts and moments in a safe and secure way. With the app, you can write down everything that you want to remember from the day you were born.

You can write in your diary about your childhood, your school life, and all the events that have happened to you. All the secrets and the moments that you don't want to forget will be safe and hidden inside the diary.

There are lots of themes and customizations for you to use to make the diary more beautiful and meaningful. You can change the font style, color, and a lot of other things.

It's a great app to use to keep your thoughts and secrets safe and hidden. You can set a daily reminder so that you won't forget to write and keep the diary as a safe and secure place.