Switch Data - Transfer files is a free app for android users to share their data. It has many advantages over other sharing apps. The most important advantage is that it is free of cost. If you want to share your data with friends, you don’t need to pay a penny for it. It is an offline app so you can share files without the need for an internet connection. 

To use it, you need to install it on your phone. Then you can share your files with friends by clicking on the Send button. It allows you to send one or multiple files at the same time. You can also invite friends by sharing the app link.