At this time it was my favourite, automatic, easy to configure and easy to use.
I have noticed that all former backups are shown in the list, but trying the download-link, the older backups are deleted, as set in the configuration.
Therefore I have been happy to read, that an update is available yet, but after updating I have noticed, that automating the backups is not free anymore.
As I try some extensions to have a comparison, I prefer free extensions.
When I have to pay I prefer to pay once without having running cost.
So all in all I think the program is still easy to use but for automated backups I will rather use an other extension. For site owners with fewer knowledge who do not need automatic backups I think the core version is a good thing but for simple automatic backups there I prefer other free extensions now.