Recommended - on time and changed my return ticket swiftly (once I found a local person to call, a worker at the Huu Nghi Bus Station. Bless him). I was getting pretty frustrated why the driver is not coming for my return to Hanoi, only to be told that I actually booked the next day by mistake. The office sent a driver in an hour and only paid the upgrade to limousine, as that was the scheduled mini van. Moral of the story - double check before booking, preferably if you are not groggy.

I have to say that bus services in Vietnam are of a very high standard. The app shows you where the bus is, when it will arrive, and even exactly where you should stand. We felt safe with the driver; he made regular stops and kept asking us if we needed anything. We were very satisfied. We highly recommend this transportation service.