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I have no idea about those.

They are both MMOs. AoC will not be access-able (in alpha testing) until October, yet SotA has been around for some time. Kinda OG in the MMO genre. It is described as being a "spiritual successor to the Ultima series". [1]

[1] https://en.wikipedia.org/wiki/Shroud_of_the_Avatar:_Forsaken_Virtues

I just don't find the time now.

That is one attraction with me for AoC. It is not only an interesting ever changing world but seems like it may capture that real RPG aspect of being able of being away from game play for some time yet one can grab your character sheet (in this case log in) and pick right up with your character's development.

The world may have changed in your absence yet so would a table top GM throw some curve balls at you when coming back to their game.