Calm Mind is an app that helps calm you down during or before anxiety attacks. The app has two main features:

Just Breathe: Uses the 4-7-8 breathing technique to help with hyperventilation, and forces you to focus on your breathing rather than what is causing your anxiety.

A Rainy Day: Is a distraction minigame that also plays relaxing rain sound effects as you play.

The app has a relaxing soundtrack to help calm you down.

There is also a page of hotlines and website for you, when you are ready to seek help.

NOTE: It is recommended that you seek professional help as soon as possible.