A free app for Android, by Vicky Bonick.

If you’re constantly barraged by unnecessary notifications while working or studying, Notification Remover is the one for you. To clean up those notifications, select an app package and write a text so you won’t see them on your notification bar.  There’s no limit to the number of app packages you can choose in Notification Remover, perfect for users who have a lot of apps installed on their device. 

Notification Remover is free to download and use — no need to worry about monthly charges on your digital wallet or credit card. The app is also ad-free, providing a seamless experience to users.