Unbiased opinions, is Pixinsight actually worth it?

So I've only ever processed images in photoshop, never used anything else. But I see lots of things about Pixinsight, and also Siril. I was intrigued and looked around at Pixinsight .. but didn't realise how much it was! I guess it's an investment, but as someone who is pretty basic at photoshop, is Pixinsight worth it?