Customizing phone ringtones is a great way to give your device a unique touch. You can choose from a variety of popular ringtones that suit your taste and style. Here are some of the most popular phone ringtones that you can get for free. The Marimba ringtone is iconic on iPhones. It is light, joyful and instantly recognizable. You can get this ringtone for free from many websites or apps. This ringtone is a remixed version of the classic iPhone theme. It is popular among Android users who enjoy Apple's signature sound.