CTO Club is a free Android app designed to enhance your shopping experience while promoting circular fashion. Users can create an account to receive personalized discounts and promotions. The app allows users to scan their CTO Club card during purchases to earn CTOns, which can be redeemed for discounts and special offers. Additionally, users can link their in-app account to their e-cto.pl account to earn extra CTOns for online transactions.

The app also features a store locator to find CTO stores nearby and stay updated on the latest news and promotions. Users can participate in the ‘Every kilo counts’ program by donating unwanted clothing to earn CTOns. CTO Club encourages eco-friendly shopping practices and provides various incentives to promote sustainable consumer behavior.