# Important: you must have Surge 4 installed on you Mac or iPhone.
Xurge provides all the functions of controlling Surge. Even if you are not on the same network, you can achieve the purpose of controlling Surge through the device.
1. Outbound mode switch
2. View and change the policy group
3. Recently requested view
4. DNS local mapping and server view
5. Module view and switch
6. Script execution and editing
7. HTTP capture switch
8. View configuration files
Xurge is developed based on Surge http-api, so it is completely secure and will not collect any information from you.