You can use NotezApp with as many accounts as you like.
On the website simply click the logout option which you can find right next to your profile picture in the upper right corner of the screen or in the slide menu . Then you can login with another account.
If you are using our mobile app for iOS and Android, you can login with more than one account at the same time. Use the “Add account” option from the slide menu. Add as many accounts as you wish and just tap the profile pictures from the menu to switch between them.