Get Free Coffee/Cappuccino From Cafe Coffee Day At Niffler App 1. Download the Niffler App 2. Open the app and sign up using your Facebook account. 3. Now fill up your details and use referral code 4. Press next and then select your city. 5. You will be logged in. 5. Click on wallet. 6. In your wallet select the Cafe Coffee Day Offer. 7. Now copy the coupon code and tell the cashier about code while placing the order on call or at store and get a free cappuccino.