Kimchi is just sauerkraut with chilli?

On Friday, I saw a tub of kimchi on a shopping trip and liking trying new stuff, thought I'd give it ago. After all thousands of Koreans can't be wrong.

Oh dear, I was so disappointed. To me it was just cheap sauerkraut with a pinch of chilli tossed in. I could replicate it at the fraction of the cost.

So am I right as usual? Is the Korean favourite just spiced up sauerkraut?
Kimchi is just sauerkraut with chilli?
Kimchi is just sauerkraut with chilli?
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