Duplicacy 2 vs. Duplicati 2 (video)

Cloud Backup with duplicacy and duplicati

Using a remote storage for backups is a good idea. In case of fire or other catastrophes, your data is still save at the remote storage. If you are looking for a backup software which saves your files on a remote storage you will soon come to duplicacy and duplicati. Both products meet the following basic requirements:

• data encryption (before sending to the cloud)
• cloud backend support
  • Duplicati backend support list
  • Duplicacy backend support list
• file versioning
• incremental backup
• compression

Differences

I tested on an ARM device (QNAP TS-431+). Duplicati (GUI) was used in version 2.0.3.5 and duplicacy (CLI) in 2.1.1.

This is my personal experience which I also published in the duplicati forum. There are also users which were happy with duplicati. There is also a more technical comparison in the duplicati forum.††

Have a look at the Backup Software comparison table to get an idea how other software products perform.

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Duplicati flaws

Duplicati failed not only because of the crashes that I discovered several times but also because of its lack to continue a canceled restore or backup. My restore would have taken 5 days and the possibility of an interruption (e.g. short network disconnect) in this period is likely. Furthermore is duplicati lacking a parallelism feature which would make backups and restores way faster.