Contacts saved by InTouchApp Extension are saved by name WhatsApp Web 0001, WhatsApp Web 0002 etc.
How to view the contacts saved from WhatsApp Web on phone:
Step 1 -
Option 1 - Open InTouchApp > Go to Contacts Tab > Sort > Select Time Added. You will find the latest contacts added on top.
Option 2 - Open InTouchApp > Go to Contacts Tab > Search for WhatsApp Web and you will see all the contacts added.
Step 2 - Open WhatsApp on your phone and search for the contact, you would be able to see.
Note: For iPhone users, the added contacts will be reflected on the WhatsApp web only when you open WhatsApp on iPhone.
If (1) and (2) are successful, then you will see the Number on WhatsApp Web as well.