The safest and most legal way to download sounds directly from Meta, Facebook’s parent company, is through their official “Sound Collection.” This isn't just a handful of files; it's a massive public-facing resource containing that are rights-cleared and free for you to download and use on Facebook.

Alternatively, you can change it specifically within the app via > Settings & Privacy > Settings > Notifications > Push > Tone . On iOS:

Standard alert sounds can trigger minor stress responses over time; switching to a pleasant, custom tone mitigates this effect.

The Echo of a Click: The Evolution of the Facebook Notification Sound

Some users prefer the "classic" Facebook sounds from older versions of the app that have since been updated.

Ultimately, the "best" sound is the one that fits your personal style and usage scenario. Don't be afraid to try out different types.

The most sought-after sounds usually fall into these three categories: