IMO flutter.io looks a lot more promising (navigation isn't a mess, for example) but really native is the way to go. I'm biased towards native as that's what I

IMO flutter.io looks a lot more promising (navigation isn't a mess, for example) but really native is the way to go. I'm biased towards native as that's what I do day to day. React Native is more fun to work with than PhoneGap though (I've shipped apps with the latter and really hated it).