OK Club is a free Android application developed by Golrang System under the category of Business & Productivity. The app is designed to create a customer club for Ofogh Kouroush, a well-known Iranian retail company. The app offers a wide range of features to its users, including the ability to track their purchases, receive notifications about exclusive offers, and participate in the company's loyalty program.

The app's interface is user-friendly and easy to navigate. Upon opening the app, users are greeted with a home screen that displays their current point balance, recent purchases, and available offers. The app also allows users to view their purchase history, search for products, and locate nearby stores. Overall, OK Club is a useful tool for customers of Ofogh Kouroush to stay up-to-date with the latest offers and track their purchases.