Appsim is a full version Android application developed by Sim.vn Joint Stock Company. It falls under the Lifestyle category and is specifically designed for shopping purposes. The app allows users to buy and sell sim cards quickly and easily. With over 35 million sim cards in stock, users can choose from a wide range of beautiful numbers such as tam hoa, tu quy, luc quy, tu quy giua, taxi, than tai, tien len, and many more.

One of the unique features of Appsim is the ability to directly post your sim card for sale on the app with just two simple steps. The app provides access to over 50,000 sim card dealers across the country, ensuring that your sim card reaches the right buyer. Additionally, the app automatically synchronizes your sim card information with over 1,200 partner websites, increasing your chances of finding a buyer.

Appsim also provides users with complete information about sim card dealers, including retail and wholesale prices, contact information, and addresses. The app even allows users to contact dealers directly through the app via a high-quality video call feature.

Overall, Appsim is a reliable and convenient platform for buying and selling sim cards in Vietnam.