Most MP3 ringtones are compatible with a variety of smartphones, but there may be differences between models. Check compatibility with your phone before downloading.
Yes, most of the ringtones offered on these sites are available for free and legally. Be sure to respect copyright when using specific ringtones.
Many apps, like Audiko, allow you to cut snippets of songs to create your own ringtones. Follow the app instructions to do so.
From classic melodies to popular songs, the internet is full of treasures of free sonnerie portable.