Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Blackline Membership Screenshots

iPhone

About Blackline Membership

Make your shop’s own application that makes your shop more attractive.
It gives opportunity to have more customers by providing better service to them.
Shop owners can list up various coupons on the coupon market.
Customers can buy and use the coupon anytime anywhere.

1. Collect stamps and get a coupon.
If you get 10stamps in a blackline coffee shop, an American free coupon will be issued.
Just show the coupon to the shop manager.

2. Earn points.
Every time you pay for the coffee, you get 5% of the total payment back to your blackline application. If you have 1000 points or more, you can pay with the points as cash.