Official Apple & Google Play Developer( Our D-U-N-S: 493831638). We build digital tools for global education.DUNS refers to a globally recognized and verified identification number for an organization. It plays a significant role, particularly in the business world, in terms of financial credibility and trade. The DUNS number is a unique code that verifies a business identity on a global scale. This code is generated within the Data Universal Numbering System (DUNS)