MOBILE OPT-IN SIMPLIFIED™
Loyalty starts with the opt-in.
You already have a customer list. But if they haven’t opted into SMS, they may as well not exist. Whisp gives you the missing piece — a fast, frictionless opt-in — so you can finally make SMS and Mobile Wallet your most powerful loyalty channels.
Why the Opt-in is the Only Thing That Matters
1 million customer numbers ≠ 1 million reachable customers
SMS has 98% open rates — but only if they’ve opted in
Whisp gives you the legal opt-in your CRM is missing
Watch the Video to Learn More
Want more foot traffic?
Whisp Opt-In + Mobile Wallet delivers.
1
Frictionless Opt-In
Only Whisp delivers seamless SMS opt-in via Smart QR, Smart Button, or Smart Link — no forms, no downloads, no friction.
2
Whisp Wallet Activated
Loyalty cards, coupons, tickets and gift cards — all in one place, right on your phone. No extra app required.
3
Push that Drives Engagement
Grow customer relationships and their lifetime value by communicating with your most engaged customers.
Why Brands Choose Whisp
✔︎ You have the numbers. You don’t have permission.
✔︎ Forms and checkboxes don’t work.
✔︎ Whisp gets you compliant SMS opt-ins, instantly.
✔︎ More opt-ins → more reach → more revenue.
Whisp turns your existing customer list into a real-time engagement engine — by getting more people to opt into SMS, without the forms, apps or friction.
Don’t just store phone numbers. Turn them into loyal customers.
Trusted by Powerful Brands
