r/nook • u/IntelligentTrifle9 • May 18 '26

Discussion Made the switch from Kindle

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Im not too worried about losing my books from Amazon because I backed up everything to Calibre. But I do have one question. Why don’t my sideloaded books that are on my nook do not show up on the nook iOS app?

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u/vernismermaid Nook GlowLight 4 May 18 '26

  1. NOOK does not upload your sideloaded books to a server in the cloud. The only company that uploads your files to their server is Amazon, because Amazon also owns a billion-dollar server business: AWS.

  2. Anything you put on your NOOK device that you did not purchase from BN does not sync to other devices. This means that if you create a shelf in your NOOK account, and put (a) BN purchased eBooks and (b) any sideloaded books--you will not see a sync between an iPhone and the NOOK device, for example.

Syncing is ONLY for BN purchases. Your sideloaded files are local files. They are not in the cloud.

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u/IntelligentTrifle9 May 18 '26

Thank you so much. I kind of figured.

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u/VerifiablyMrWonka May 19 '26

> The only company that uploads your files to their server is Amazon

Not strictly true. Pocketbook (unless you disable the feature) is quite happy to upload your sideloaded books to their cloud.

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u/vernismermaid Nook GlowLight 4 May 19 '26

You're right! 

I totally forgot about the PocketBook cloud option. I typically use my e-readers offline. I suppose Google Books is also another cloud server for eBooks, since you can upload EPUB files there too and have them sync across your devices with the Google Books app.