Unusable for me

Little control over visualization, contrary to the app description. Can’t get zoom to stick,
so it is necessary to readjust it for each image. Also the zoom difference levels are too
widely spaced, so that with one zoom level the image is too small, with the next it is off the edge,
and there is no apparent way (in the preferences) to adjust zoom levels. I consider these to be fundamental
problems with the app, and I didn’t invest much time in it.

OS X = 10.10

whiffee about Image Viewer