Best and Easy way to transfer data between any mobile phones

We have only few or inadequate options when it comes to transferring data from Android devices to iPhone/iPad, most take the way of using WhatsApp / Google Drive / Dropbox to transfer data from Android to iPhone. Not only it consumes data but is also less speedy, and results in

WhatsApp possibly will get Facebook Integration Soon

WhatsApp could shortly launch a feature to let its users to integrate their Facebook account with the instant messaging and voice calling application. While precisely how this will advantage users leftovers to be seen, the description discloses that the integration will "progress Facebook experience." The edition 2.12.413 of WhatsApp for Android

What’s New in Android 6.0 Marshmallow?

Google powered Android Marshmallow presents a reformed application authorization model: there are now merely eight permission categories, and applications are no longer routinely granted all of their itemized permissions at installation time. A new API named "Assist" lets information from a currently-opened application, containing text and a screenshot of the present