Offering free access to popular apps like WhatsApp or Facebook (historically) keeps users loyal to the network.
Take (the largest mobile network in Pakistan). They frequently run promotions like "WhatsApp for Rs. 2/day" or "Zero-rated YouTube until 10 PM." Similarly, Zong 4G offers "Zero-rated TikTok" for heavy users, acknowledging that social video is the primary driver of consumption. zero-rated websites pakistan
Some operators require a minimum balance (e.g., Rs. 0.01 or Rs. 1.00) to keep the mobile data connection active, even if the site itself is free. Offering free access to popular apps like WhatsApp