The app database should be backed up regularly.
1. In iTunes File Sharing
2. Select AOC VBStats to access the app's Documents folder
3. Select the 3 files iPeranaVolleyball.sqlite, iPeranaVolleyball.sqlite-shm and iPeranaVolleyball.sqlite-wal
4. Tap Save To... and select a location to save the files to
1. In iTunes File Sharing go to the app's Documents folder
2. Tap Add.. then select the 3 files iPeranaVolleyball.sqlite, iPeranaVolleyball.sqlite-shm and iPeranaVolleyball.sqlite-wal backed up to the computer to overwrite the ones in the Documents folder. AOC VBStats should be restarted for this to take effect.