and have no activation cost (you just need to purchase an SMS package),while WhatsApp is available in the Premium and Marketing Suite plans and has a one-time activation cost (plus the cost of messages).
To learn more about this point, we recommend you take a look at the SMS price list and WhatsApp price list
Sender
Another key point is related to the sender. Let's explain better.
Sending SMS marketing from the platform is very simple. All chinese singapore phone number list you need to do is configure an SMS Sender (called an alphanumeric Alias) by entering your company data, and after approval by AGCOM your leads will receive SMS from a company sender 
In the case of the WhatsApp Sender , however, the process is a little more complex, because you are asked for a mobile or landline number to connect to the Meta Business Suite.We recommend that you enter a "free" number, i.e. not the one you use for your personal WhatsApp, nor for the WhatsApp Business App. If you want to use the WhatsApp Business App number, know that you will lose access to the app and consequently all the conversations linked to it.