Create a backup file in the free version (Settings > Backup > Add). Then use iTunes to copy the backup file from Checkbook HD Free to Checkbook HD.
Here's what you need to do to copy the file through iTunes.
- Connect your iOS device to your computer.
- Open iTunes.
- Click the device icon.
- Click “Apps"
- Scroll down until you see "File sharing”
- Select Checkbook HD Free from the list on the left and in the field on the right you will see all the files the app works with.
- Click and drag the file to you Checkbook HD on the left.
Now go to Settings > Backup in Checkbook HD and open the new backup file. Your data will be copied to a new profile in Checkbook HD.