Does the Redmi Note 14 Pro+ 5G support the APP call recording?

No, the Redmi Note 14 Pro+ 5G doesn't support the APP call recording.
For your reference, here is more information about the APP call recording:
1. App call recording refers to the ability of a smartphone or app to record phone calls made or received within a specific application. This feature is especially useful for business purposes, personal records, or to remember important details from a call;
2. Built-in call recording: Some smartphones offer built-in call recording features directly within the dialer or the phone app. This feature records voice calls and stores them in the device's internal storage;
3. Legal Issues: Call recording is regulated by laws in different regions or countries. For instance, some places require that all participants in a conversation be notified and give consent before recording. Make sure you're aware of your local laws to avoid legal issues.