Your parents don't need WhatsApp. They don't need the internet. You just call their regular number — for a fraction of the price.
"My mom doesn't know what WhatsApp is. She has a Nokia 3310 from 2005. I call her every Sunday and I used to dread the phone bill. Not anymore." 😭
You get a number from their country
You call their regular phone
They answer like always
You pay 95% less