Better Diary supports to sync your diaries across devices. Once you login, your diaries are backed up to our secure cloud (back by Google Cloud). This makes your diaries safe and you will never lost it. 

Sync are useful if you have multiple devices. A new entry will be immediately send to your other device once you finish editing.

If you plan to migrate to a new device, just login to the same account, all your diaries will be automatically restored.