: Most modern phones (Android/iOS) prefer MP3 or AAC. If you have a WAV file, you may need to use a mobile "Ringtone Maker" app or a simple online converter to make it compatible with your phone's clock app. A Quick Tip on Licensing Most "free" sites use Creative Commons licenses. CC0 : Public domain (use it however you want).
: Sounds like rushing water or birdsong for a "gentle" wake-up. Free Alarm Sounds Wav Files
: You must give credit to the creator if you use it in a public project (like a YouTube video or app). To help me find the best sounds for you, : Most modern phones (Android/iOS) prefer MP3 or AAC
