A free app for Android, by muslim wird.

A perfect tool for tracking your mood, memories, and experiences on a daily basis, Diary is an all-in-one app that lets you write down everything that matters to you in a safe and private space. You can also use the app to take notes, plan events, and make sure you don't forget anything. Plus, you can use the app to write and take photos and create a visual journal of your life.

You can use the Diary app to keep track of how you're feeling and what events are coming up.

A mood tracker lets you see how your mood changes throughout the day, so you can understand what events or activities trigger changes in your mood.

A calendar and emotion tracker are also part of the Diary app. With these tools, you can easily keep track of how you're feeling and what events are coming up.