XMind for iOS now uses the document browser provided by Apple. You can store your mind map in local drive, iCloud Drive or other third-party cloud services.
When you launch XMind for iOS, you will see XMind Recents where you can see your mind maps stored in local drive or iCloud Drive recently.
If you create a new mind map in XMind Recents, the mind map will be stored in the default document storage of XMind. (You can modift the default storage in iOS Settings > XMind > Document Storage. )
Browse > Location
With the iOS Document Browser provided by Apple, you can freely choose the location where you save your mind map.
1) Launch XMind for iOS;
2) Enter Browse > Location;
3) Choose a location where you want to store your mind map(For example, iCloud Drive > XMind);
4) Tap Create Document to create a new mind map which will be stored in iCloud Drive.
*If the cloud drive you need wasn't listed in Location, you can edit the Location.
1) Tap「...」> Edit;
2) Turn on Onedrive > tap Done;
3) Onedrive will be shown in location.