There were many competing implementations of BASIC interpreters at the time. If it weren't for Applesoft, Wozniak would have finished his floating-point BASIC (he did the Integer BASIC that came with the II). IIRC, Atari computers didn't use Microsoft BASIC, nor did the BBC family in the UK.
And, BTW, Paul Allen deserves more credit for MS BASIC than is usually given.
And, BTW, Paul Allen deserves more credit for MS BASIC than is usually given.