Can I use the app both in my iPhone and iPad?
Yes, you can use the app on both your iPhone and iPad as long as you use the same App Store email account and the same JKZ app email that you used when you logged in on the iPad.
Yes, you can use the app on both your iPhone and iPad as long as you use the same App Store email account and the same JKZ app email that you used when you logged in on the iPad.