'American Idol' has been the biggest reality competition series on television ever since it first hit the FOX network back in 2002. Always a ratings beast, 'American Idol' has never had any trouble fending off the competition, even as its ratings began to decline after many seasons on the air.
A few shows, from 'The X Factor' to 'America's Got Talent,' have attempted to take down the reigning king of singing competitions, to no avail. Then came NBC's attempt: 'The Voice.'
How exactly does 'The Voice' differ from 'Idol,' though? Does it stand a chance of competing with the still-mega-popular ratings king? Click through this gallery to find out the pros and cons of each show!