You have 50 million loyalty members. Why are only 4% opted in for SMS?

Unlock 20x more SMS opt-ins from the loyalty members you already have.

Real-time opt-ins across any channel: POS, signage, app, digital media
Instantly capture compliant, verified phone numbers without forms or redirects
No app required, no integrations needed — Whisp works alongside your existing stack

93% of loyalty members are not opted in for SMS. That’s an opportunity.

Research shows that increasing customer retention by just 5% can boost profits by 25% to 95%. By nurturing customers via SMS, you build trust and create long-lasting relationships that drive lifetime value.