Yes, I carry in a belly band. Mine is a Blue Stone Safety. It seems to work okay. The material is fairly stiff, so I can't fathom getting the trigger pulled accidentally. I don't like cross draw, so I don't use it like that. I carry in the same position I would carry IWB. Tuck the shirt in, and drawing is similar. I wear a t-shirt under the belly band to prevent too much sweating on the gun. Also, I've deleted the horrid Velcro retention strap. When the pistol is lower, like an IWB holster, I've found that it doesn't need the velcro strap; and it just slows down the draw.
Now, the important part. Make sure your pants are big enough not to compress your belly band and pinch that spot on the front of your hip (lots of experimentation talking here!)! The pistol goes at 4:00 or 4:30, so the flat spot ends up behind your right hip. Reholstering without tucking my shirt back in is easy enough without unzipping my pants. Tucking in the shirt again is as difficult as normal.
My pistol for the belly band is a S&W Shield .45. A fair bit bigger than the 9mm version, but still a pretty small single stack .45. The pocket (what passes for a "holster") on the band would swallow a Ruger LCP, resulting in an awkward (and slow) draw. So, make sure the "holster" on the band is not too big for your pistol.