I wish every Android phone had Samsung's Separate App Sound feature. Here's how it works

Separate App Sound is a little-known feature on Samsung phones, and if you aren't using it yet, you should. Here's how.
Techno-Science.net

How to Use Separate App Sound on Samsung Phones to Control Audio Output for Different Apps

To use Separate App Sound on a Samsung Galaxy phone, go to Settings > Sounds and Vibration > Separate App Sound, toggle it on, choose the app (e.g., Spotify), and select the audio device (e.g., ...
The Droid Guy

Fix Phone Sound Issues By Adjusting Volume Settings: Expert Tips

Sound issues on your phone can be frustrating, but often, they can be resolved by adjusting the volume settings. Here’s a comprehensive guide on how to fix common sound problems by tweaking your phone ...
Android Authority

How to change the notification sound on the iPhone

To change the notification sound on your iPhone, go to Settings > Sounds & Haptics. You can change the notification sounds on this page for the Text Tone, New Voicemail, Calendar Alerts, Reminder ...