Akeeba back up just works and works so well.
Admin tools, thorough protection for my Joomla sites.
Ease of use
Akeeba back up - easy to use.
Admin Tools - there is a J curve of learning how the makers want you to work with this. Take the trouble,
Not needed so far, the manuals cover it.
Someone took a lot of trouble & time to do this right. Just a couple items out of date.
Value for money
No brainer - this has your back for the little they ask.