Na serveru Slunečnice.cz je zajímavá iOS aplikace:

Bell Sounds FREE (Christmas,Fire alarm,Police Siren,Schoo Bells Sound) 1.0

This fun application lets you make a nice jingle sound. It uses the accelerometer to detect when you move your phone, so it can make bell sounds. Shake the phone to make it ring. Use it for the holidays or use it just for fun the rest of the time. It may be handy if you want to be funny when you…

Adresa: https://www.slunecnice.cz/sw/bell-sounds-free-christmas-fire-alarm-police-siren-schoo-bells-sound/