Extremely useful, but not without bugs

The ability to plot all the nearby networks by itself makes this app worth it. The interface is clean and easy to understand. But in the current version, running under 10.10.2 on a 27” iMac, I found three bugs. The Channel column did not appear until I opened the preferences (where it was enabled), disabled it, and then re-enabled it again. When I changed the 5 GHz channel on my access point, the correct channel was reflected in the channel column (48), but not in the visual signal strength display, where it was still drawn as if it was 149. And the Speed Test, when clicked, drew its download icon for about a quarter of a second, and then stopped, with no obvious indication of what had gone wrong. Still, it’s recommended because the basic functionality is so useful and so well done.

DavidMLewis about WiFi Scanner