With SecureBeam it's quite easy to sync your Dropbox with your Google Drive:
Just activate Dropbox and Google Drive - and SecureBeam automagically distributes all your files securely in the background to these two services.
Step 1: Activate Dropbox and Google Drive
Step 2: Connect your Dropbox
Step 3: Dropbox connected
Step 4: Dropbox and Google Drive synced
SecureBeam automagically syncs all your content with your Dropbox and your Google Drive:
This sample file iCloudDesignGuide.pdf is optimally synced to your cloud stores: 50% are synced to your Dropbox and 50% are synced to your Google Drive.