Yes, the planning app can connect with the manufacturing app. Integration between these two types of apps can improve efficiency and visibility across the production process.

Hi

Here you can use the Master Production Schedule . Go to the Manufacturing app ‣ Configuration ‣ Settings and activate the Master Production Schedule feature.For more information please refer to the following link:
1. https://www.cybrosys.com/odoo/odoo-books/odoo-book-v15/manufacturing/master-production-schedule/
2. https://www.odoo.com/documentation/16.0/applications/inventory_and_mrp/manufacturing/management/use_mps.html

Hope it helps