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Channels ROI Comparison
SMS vs WhatsApp Campaign Calculator
WhatsApp ROI Gain
+78% Lower CAC
Campaign Inputs
*SMS costs represent standard transaction routes (min 5lac purchase) at ₹0.11. GST is modeled at 18%.
Bulk SMS Campaign
Total Monthly Cost
₹6,490
Cost Per Read Message
₹0.87
Expected Conversions
75 Leads
Cost Per Acquisition (CAC)
₹87
WhatsApp Marketing
Total Monthly Cost
₹42,864
Cost Per Read Message
₹0.95
Expected Conversions
2250 Leads
Cost Per Acquisition (CAC)
₹19
Why WhatsApp Beats Bulk SMS
SMS has a cheap per-unit rate, but with open rates trailing at 15%, you waste most of your budget transmitting to inactive inboxes. WhatsApp offers a high-performance 90% read guarantee, lowering customer acquisition costs (CAC) by over 78%.