آسا (خدمات کاربردی همراه) is a free Android application developed by کانون توسعه کاربری فناوری آریا. It falls under the category of Utilities & Tools and offers a variety of services to its users. The app provides direct mail tracking and estimated postage rates. It also offers a barcode scanner to make transactions more efficient. The user interface is simple and fast, and the app is free of in-app ads. Financial operations are highly secure, and the app is small in size compared to the range of services it provides. The app offers a range of services including purchasing mobile recharge, paying bills, and buying various tickets such as for planes, trains, and buses. It also offers access to electronic services from all banks, emergency numbers, and important addresses such as hospitals, universities, and cinemas. Users can also enroll in the program, view all transactions, share the app, and record comments and send questions and receive answers within the same section. The app requires Android 4 and up to run and is constantly updated to improve its services.