A free app for Android, by Gateway Tech Apps.

The Diary with lock – My Diary is a free, secure, and private daily journal app for all Android users. With this app, you can write down your thoughts and secrets and keep them safe and private.

This is a great app for people who want to keep a diary and also for people who need to write a journal and also for people who have a habit of writing in a specific location and need a secure place.

There are a lot of different ways to use this app. You can write down memories and other random things.