True omnichannel experience and customer loyalty


Create strong, long-term end-to-end relationships with your customers





GK Engage

turns a shopper’s smartphone into a universal mobile engagement tool. It offers the personalized shopping experiences that strengthen long-term customer loyalty.

GK Engage enriches the customer experience with smart mobile shopping and payment so you can meet your customer’s demands any time. GK Engage brings a wealth of white-label, consumer-friendly capabilities to any Android or iOS mobile application.

Users per day
Transactions per day
17Million USD
Sales per day

Key Features

360° loyalty

White-label 360° mobile loyalty platform

Integrate the GK Engage modules you need into your existing app or create a new branded app.

GK Engage is a white-label solution for use by any retailer. With a variety of modules available, you can select according to your needs. An SDK is also available for the integration of the GK Engage modules into your existing app.


Personalized mobile infotainment channel

With GK Engage you have a direct link to your customers. Inform them about new promotions, coupons or loyalty actions directly on their smartphone.

Provide services and infotainment such as special offers, flyers, news, videos and games. The solution includes QR code, store finder, push notifications via beacons and intelligent shopping list functionality.

mobile payment self scan

Self-service scanning and mobile payment

Empower your customers with innovative services and fully integrated mobile functionalities.

Realize BYOD scenarios for self-scanning with integrated mobile payment. With GK Engage, you can provide modern retailing services from line busting to frictionless stores. Let your customers use their smartphones to redeem coupons and make mobile payments at retail point-of-sale locations.

couponing and promotions

Mobile couponing and cross channel promotions

Digitize your coupons with innovative functionalities, including store assignment, group targeting and validity verification, all triggered by location or QR code.

Our solution enables checkout couponing and lets you offer coupons based on products or prices, including by EAN, PLU, item, or group. Single and repeat redemption coupons can be offered for a refund, coupon, or loyalty points.

platform independent

Marketing Hub for centralized campaign management

GK Engage integrated and sophisticated marketing hub supports your loyalty and brand awareness efforts. It can also integrate directly with your existing loyalty solution.

Flexible marketing hub functionality allows you to create and define trigger events based on defined business objectives to be distributed to specific mobile shoppers or groups.

cloud solution

Fully integrated cloud solution

GK Engage can be used as a completely integrated part of the GK/Retail Suite or as a stand-alone solution.

GK Engage is available on-site or as cloud deployment. SAP® HANA Enterprise Cloud or Microsoft® Azure Cloud availability come standard, with a customization option to meet the needs of any IT infrastructure.


360° approach to mobile customers


Digital services (e.g. offers, flyers promotions, recommendations)


Mobile couponing on item or on receipt basis

mobile payment self scan

Self-scanning & mobile payment for frictionless checkout

customer segmentation

Customer segmentation for targeted communication

digital loyalty

Digital loyalty card integrated in existing loyalty systems

electronic stamp cards

Electronic stamp cards

digital receipts

Digital receipts

shopping list

Shopping list, store finder and more

push notifications

Push notifications and geolocation

What our customers say