Originally Posted by JSWolf
When you make an eBook using the current Kindlegen, it makes a combined KF8 & Mobi eBook. You then send that to Amazon. The customer buys the eBook and gets sent either the KF8 (if the Kindle or app supports KF8) version. If not, you get sent the Mobi version. So your iPad could be receiving the Mobi version.
Ah, I see. Thanks for explaining.