The man who forged Apple into a powerhouse and shaped how people listen to music and how they use computers died peacefully surrounded by his family.
"We are deeply saddened to announce that Steve Jobs passed away today," Apple said in a brief statement.
"Steve's brilliance, passion and energy were the source of countless innovations that enrich and improve all of our lives. The world is immeasurably better because of Steve."
Noticeably fragile, he had stepped down from Apple in late August to deal with the effects of an unspecified illness. Jobs had been treated earlier for pancreatic cancer after first being diagnosed in 2004.
His storied career followed a remarkable series of twists and turns — from a meteoric rise in the late 1970s and 1980s to a bleak nadir in the 1990s followed by his ascent to the status of tech guru.
Described by some as arrogant, temperamental and brutally honest about employee performance, Jobs was known and respected for his business acumen and an almost mystical ability to predict where tech trends were headed and what people wanted.
Tributes poured in from around the world, when news of Jobs's death was revealed.
"Steve was among the greatest of American innovators — brave enough to think differently, bold enough to believe he could change the world, and talented enough to do it," said U.S. President Barack Obama.
Bill Gates, Microsoft co-founder, said he had known Jobs for more than 30 years, as a friend and as a competitor.
"The world rarely sees someone who has had the profound impact Steve has had, the effects of which will be felt for many generations to come. For those of us lucky enough to get to work with him, it's been an insanely great honour," said Gates.
Marc Andreessen, founder of Netscape, said: "Steve was the best of the