knobs crop > Will the Tuna Knobs work with every app?

-  Yes and no. Tuna Knobs will work on software knobs of approximately the same size and that have a rotary motion

> What apps will work with the Tuna Knobs?
-  Click here for the list.

> The Tuna Knobs don't work!?
-  Tuna Knobs do not work with screen protectors. Tuna Knobs need a little pressure to work.

> The Tuna Knobs don't stick!?
-  Make sure your screen and the Knobs are clean. If the screen or the Knobs are greasy, it will not stick properly.