GeekStyle: やさしいGAアプリ is a user-friendly application designed to simplify the integration of Google Tag Manager with Google Analytics 4. Tailored for users in Japan, the app provides full Japanese language support and is developed by a Japanese company, ensuring local relevance and convenience. The app streamlines the setup process, allowing users to create initial tags, triggers, and variables in just three easy steps, making it accessible even to those who may have struggled with other tools. GeekStyle also supports affiliate conversion tracking and offers more detailed conversion insights, ideal for optimizing performance. Despite being a Japanese app, it includes English explanations, broadening its accessibility. This makes GeekStyle an ideal solution for users seeking a seamless and efficient analytics experience.