I haven't tested on ios for a few months, but my experience has been that the differences between ios and other platforms in the last 2 or 3 years have reduced considerably.
A while back I compiled a list of the included fonts for each platform (including ios). What are serif and sans serif fonts on different ebook reading systems?
When I test on ios, I ...
I’m not sure you can generate an AZK from the command line. From https://wiki.mobileread.com/wiki/KindleGen
Note that Kindle Previewer is currently the only way to generate AZK files for iOS use.
Not the answer you seek, but an answer.
A discussion on the MobileRead forums from user jhowell offered this information:
KFX minimizes differences among devices, but this format is language-specific and is not available for Asian languages (Chinese, Japanese) yet.
The iOS pre-KFX format is based on the same format used for Kindle Cloud Reader.
In my case, I found the following differences ...
Amazon went to significant trouble to make it practically impossible to extract a kindle file out of the Kindle app for ios. (They even make it rather hard -- though not impossible to send files directly to the device app without using the cloud). You can use itunes to add a file into the IOS app (using the "File Sharing" function in itunes; connect the ...