Who each provider is really for
MyOperator
MyOperator is generally positioned around business call management for Indian companies, with virtual numbers, IVR menus, routing and call reporting aimed at teams that want a professional inbound experience without hardware. That shape suits clinics, education institutes, service businesses and small sales desks whose main requirement is that calls reach the right person and are properly recorded.
Knowlarity
Knowlarity is usually described as a cloud communication provider with a broader stack spanning voice and related channels, serving businesses that need scale and programmatic control alongside standard call handling. That shape suits operations with larger call volumes or a technical team that expects to build against APIs rather than configure through a dashboard alone.
Both providers change their packaging over time, so verify current scope directly before shortlisting.