Yes!
There are Mac and iOS versions (separate purchases), I have both. There’s also a subscription which may interest some but that’s not what I need.
I’ve found it to be intuitive and have not experienced problems with it (keeping things synced or otherwise). It just works!
There’s something almost magical about being able to refer to past conversations and have the critical documents easily accessible without fumbling or delay.
I wrote some more on it here
If there’s better CRM software anywhere close to this price point, I haven’t seen it.
There’s also a trial version for the Mac app.