The ダブルストーン公式アプリ, developed by GMO Digitallab Inc., is tailored for those interested in workwear and work-related products. With multiple stores across Miyagi, Iwate, Yamagata, and Fukushima prefectures, ダブルストーン aims to support workers by providing a wide range of work clothes, work gear, and safety equipment to ensure a safe and comfortable work environment.

The app offers various features including an online shop for browsing and purchasing products, managing membership cards and points, and a unique stamp collection system where users can earn rewards by collecting stamps through QR code scans. Additionally, users can set reminders for their next store visit through the app's notification feature.