How much does the iPhone 14 Pro Max screen cost?

Read this document about iPhone screen repair and replacement --> iPhone Screen Repair - Apple Support

- Use the Get Estimate tool to find out the price for your model. It is best that you do that since I do not assume you are in the same country as me.

Check here.

iPhone Repair & Service - Apple Support

If you want to have Apple repair your phone screen, refer to this page:

iPhone Screen Repair - Apple Support

If you would like to repair your phone screen yourself, have the technical know-how and accept the risks of a potentially busted phone, refer to this page:

Self Service Repair - Apple Support