This aspect of the mobile telephony business is, in itself, an industry, e.g. ringtone sales amounted to $3.5 billion in 2005.
Jamster also added to its revenues by adding impulse purchasing - when you downloaded one ringtone, you were offered others.
In a reversal of this trend, a single has been released based on a ringtone itself.
The app uses a recommendation engine that analyzes anonymized user data in order to create smart suggestions for wallpaper, ringtone, and game downloads.
The phone also includes a ringtone composer which allows creating custom ringtones.
Jamster also added to its revenues by adding impulse purchasing -- when you downloaded one ringtone, you were offered others.
Monophonic ringtones were the earliest form of ringtone, and played one tone at a time.
A music single ringtone downloaded 100,000 times are commonplace.