Comparison of WhatsApp and WhatsApp Business API

Let's compare two ways of working with WhatsApp. Advantages and disadvantages:

WhatsApp	WhatsApp Business API
You can freely write to the client first.	To write to the client first or write him 24 hours after the last conversation is possible only with a paid template message (HSM). The cost is about €0.07 per one started dialog.
You can send any content (that does not violate the law)	Templates for such HSM messages must be pre-approved
Message throughput: No more than 5-20 messages per minute and no more than 6,000 messages per day	Message throughput: Up to 600 messages per minute and up to 36,000 messages per hour
Physically, you need a smartphone with a fast Internet connection all the time.	A physical smartphone is not necessary.
Standard blocking algorithms	It's almost impossible to get a lockout
Works with any existing personal or service number	Only works with new numbers