Yes, there is a difference. Both are equally important to the drafting and polishing process of writing and publishing a book.
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In general, a critique service focuses on content, while an editing service focuses on the technical side of writing (grammar, punctuation, and spelling.)

A few lessons from college writing courses, and advice from my HarperCollins editor, have stayed with me over time and greatly improved my writing. The first is strengthening verb usage, and the second is getting rid of unnecessary words/phrases. ​

No. The biggest mistake authors make is trying to rush the process. How do I know? Because I did it myself. We can’t seem to help ourselves. It’s just so exciting! The possibility that an agent or editor at a publishing house will take one look at our story and have stars in their eyes…sigh. It’s like the scene from A ChristmasStory where Ralphie envisions his teacher falling in love with his essay about the Red Ryder BB gun, when in reality, his essay was just okay. ​

AUTHOR NOTE
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I read many, many versions of the Cupid/Eros mythology, namely The Golden Ass: Being the Metamorphoses of Lucius Apuleius. Some of them were vastly different, with contradicting details. And many of the versions left me wanting, questioning, confused about a character’s motives. I did what all authors have to do when they choose to write a retelling; I went with the details that felt right for my particular version of the tale, borrowing a little from here, a lot from there, and making up some things of my own. I hope you will forgive any wavering from your preferred account of the story.