When comparing Attic vs Back In Time, the Slant community recommends Back In Time for most people. In the question“What are the best backup programs for Linux?” Back In Time is ranked 1st while Attic is ranked 14th.
Ranked in these QuestionsQuestion Ranking
Pro Good deduplication
Attic avoids duplication of data in its backups.
Pro Optional encryption of data
Backup data can be encrypted using 256-bit AES encryption and data integrity and authenticity is verified using HMAC-SHA256.
Pro Efficient use of storage with file-level deduplication
Pro Highly configurable
Almost all functionality of the program can be customized. It's possible to set when snapshot get removed based on age, available disk space, quantity in a set time period, you can include and exclude files, folders and filetypes, you can defer backups when on battery power, you can ignore errors, you can preserve ACL, extended attributes and so on.
Pro Easy to use
Although highly customizable, Back in Time is also suited for people who want an easy tool to use that will back up their data. You can use BiT simply by configuring where to save snapshots, what folders to backup and when to do it.
Attic has been discontinued in favor of Borg.
Con No GUI
Only available as a command line tool.
Con Interface could be more intuitive
The program uses non-labeled, non-intuitive icons and the purpose and functionality of the file browser is not clear at first glance.