The 22-year old Australian-born Scotland U21 international signed a three-year deal with the Railwaymen in August after spending most of the 2012/13 season at the Alexandra Stadium.
Inman is a first team regular under Steve Davis and feels his choice to turn down a contract offered to him by the Magpies last European summer was the correct one.
"I didn't feel like my time was up at Newcastle, I just felt that this was a great chance really to develop my football and play first-team football and at Newcastle that would be really hard to do that," Inman said.
"I felt like I'm old enough now to be playing first-team football instead of just playing Under-21s where you see a lot of lads get stuck.
"A lot of people 20 to 22 are playing Under-21s football at Premier League clubs but don't know first-team football. I'm glad I came to Crewe."
He added: "It (Newcastle) was basically my second home. I've lived there for eight years.
"It was tough but I've matured now and I had to look at the football and not just where my friends are and everything because at the end of the day you can make friends anywhere can't you.
"I think Crewe helped a lot."
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