"يوزرات انستقرام -يوزرات ثلاثية" is a free Android app developed by سيف ابراهيم. As the name suggests, it is a usernames guessing app for Instagram. The app allows users to enter a number and then guess the usernames based on that number. Once the user enters the number, they can tap on the "تخمين" button and the app generates a list of usernames that match the criteria.

The app is simple and easy to use, with a straightforward interface that is suitable for all ages. It does not require any special permissions, and it is completely free to download and use. However, the app does not offer any additional features or settings, and it is only intended for guessing Instagram usernames based on a number.