Any way to make our book work on iPad?

We used “Flip PDF Professional” and tried to create an app-Version of our book. But we couldn’t upload the version on the ipad. Is there any way to test this feature?

The App (Mac Application) format provided in Flip PDF Professional is executable application which can be run on Mac only, not the App you can upload to App Store.

If you want to read your book on the iPad, you can output HTML type book with checking "Also Make Mobile Version" option, then publish all output files and folders online, then you will enabled readers to view your book in the browser of iPad, iPhone and Android devices.