How to Transfer Contacts from iPhone to Samsung S7/S7 Edge?

This software is practical and super easy to use, last night when I got a new Samsung S5 phone, the only thing that bothered me was how could I move data from my old iPhone 4 to this new S5, especially a large sum of contacts, messages, I think I would crazy to copy them one by one. I tried many other apps but they all need to root the device, I cannot accept this risk, then I read and installed this phone to phone transfer app, it really did a great job with only 3 clicks, it also have many other features in it, like backup data, erase data. Now, I was able to move all data in no time. Love this app.