Hi I am sharing my personal experience with whatsapp. it have excellent features. Now a days whatsapp release Live location sharing features its good. and also have intresting features. you can use whatsapp on your pc. concept are very simple because install whatsapp and enter your mobile number and Verify your mobile number and enjoy. chatting are very simple. if I talk about layout abd design so both are good. it is very usefull for everyone. you can connect with your friends by whatsapp.