When using Apple, you can change Siri's voice to a sweet female voice in the Settings. Here are the setup steps.
Tools/Materials
1
iPhone12
2
iOS15
Methods/Steps
1
Once the Apple is open, tap the Settings icon.
2
Select Siri with the search option to enter.
3
Tap the options for Siri Voice.
4
Check the option of Voice 2 to set it to Sweet Female voice.