iYoYo is a German yo-yo manufacturer that was started by European and German champion Dave Geigle after he had worked for professional teams of famous brands such as YoyoJam and YoyoFactory. With the catchphrase "Dein YoYo" (your yo-yo), the company offers a wide range of products that cover a wide range of users from beginners to advanced players, and is suitable for beginners to competitive youth levels. High-end yo-yos such as bimetal and titanium, centered on the collaboration series with Ze'ev Yehuda, who designed the masterpiece "Filox", are popular in the competitive scene, and the company has a high market share in Germany and is gradually gaining fans around the world. In addition, the competition team belonging to the manufacturer includes not only German members, but also top players from Japan, France, and other parts of the world.