I sent yesterday a paper to a journal of publisher Springer for consideration, in the same time I have got a new free distribution service and an open-access called [Research Square](https://www.researchsquare.com/). It looks like Arxiv; it is not peer-reviewed and makes research available in a fast way. Now I want to know: should I withdraw my paper from that research square service since I sent it to a journal for review, or should I leave it there for comments to improve my paper in the future? Is what I did ethical? More than that, I want to know the difference between that Research Square and [Arxiv](https://arxiv.org/).



Is it ethical to submit a paper to journal then to Research Square? And what is the difference between that research square and ArXiv?

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> I want to know the difference between that Research Square and Arxiv.
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One of the differences is that Arxiv is a not-for-profit service and is not actively trying to sell you stuff.


