Most ad accounts pick one way to ask for an enquiry and stay with it. We prefer to test the same message three ways: a call button, an instant form and a WhatsApp chat.
For Plato's Academy's 2026-27 admissions, the call campaign brought 246 phone calls at about ₹52 each. The WhatsApp campaigns ran from about ₹150 to ₹630 per conversation, and instant forms from about ₹135 to ₹300 per lead.
The lesson is not that calls always win. Parents choosing a school want to talk to a person. A fashion brand may want the opposite: Devrobes got WhatsApp chats at under ₹5 each.
Pick the enquiry that matches how your customer already behaves, test the other two with a small budget, and let the cost per enquiry decide.
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