I concur with the above responses.
As well as the Hantek6022BE , I also have an old Picoscope 2202.
In my opinion the picoscope software is much better than the hantek software (for these models).
For most of my needs I use an old Hameg 20MHz analog scope, but when I need capture and/or portability I use the USB scopes.
In terms of the hardware, noise etc. They perform as specified, please ignore whatever analog bandwidth the seller claims, since some will divide the sample rate by 2, others by 4 or 5 etc. It really depends on what you will be using it for. A sample rate x5 of your analog bandwidth should be the minimum.
I use mine for audio. So the Hantek 6022BE 48MSps / 2 channels = 24MSps per channel is more than adequate.