Maps applications have become essential tools for traveling in big cities or worldwide. The most prominent example is Google Maps, but it has one weakness: an Internet connection requires. Therefore, this article will introduce 2GIS, an offline map, with high accuracy, full information, and constantly updating new data every time the Internet is available. Cities are large-scale, including countless shops or structures, so not everyone can remember all the details that are simple and easy to navigate. 2GIS ensures users can go wherever they need to, find information about stores, even capture the most accurate address or navigation.