I use Sketch, and really wouldn't recommend it for image/logo work. It has basic pathfinder and deconstruction tools and such like but is mainly intended for UI work. For logos and imagery I use Affinity, or when I really have to, Illustrator.
Be aware that Sketch has a perpetual licensing model which isn't always made clear. Essentially it costs about £90 a year to keep it updated, which isn't too bad. You can, however, buy it once and just never update it again and it will continue to let you use it.
Not really, but I tend to only use Affinity for logos which I can give as other vector formats anyway. Same goes for Sketch, I use it for all my UI/web designs but if it's something someone else will likely work on, then I sulk and fire up Illustrator. Though a lot of studios are now using Sketch alongside Adobe stuff so it's probably not long before it's a more common file format.