Who has tried Liven App for self-knowledge? Share your experience!

Guys, hello everyone!
I want to start working on myself. I feel like I've lost focus in the last few months and am constantly getting nervous over little things. I tried yoga and meditation, but it didn't work out for me. A friend advised me to pay attention to self-development apps, especially something about tracking emotions and building habits.
Have any of you installed this app yet? Is it worth the time?