I heard back from Grape Solar.
The first email told me it was NOT compatible with an iPad or iPod, but just with an iPhone. That email included a link to the app on itunes.
The itunes link had a statement that said it was compatible with iphone, iPad and iPod, as long as they had iOS 8 or greater.
Second message to Grape Solar pointing this out and asking who is correct? Message back from them saying the itunes description is correct, and blaming the error on it being Monday morning. I can completely understand that, as I've had Monday mornings like that! :)
