Backup app to use with Amazon Cloud Drive? I am backing up my iMac locally using Time Machine, and now I am looking for a cloud backup to provide offsite redundancy. I have signed up for Amazon's unlimited storage option for their Cloud Drive, and I have been testing Arq as a local backup app. Arq works okay, but it's lacking some features, such as the ability to restrict uploads to certain hours, such as 10:00 PM to 6:00 AM.

Can you recommend a backup app that works with Amazon Cloud Drive, and provides good configuration options? Thanks for your help.
Don't know whether this is a new option, but Arq actually allows you to restrict operations to a specific time window: