I do use KosmicQuitter so I felt justified in adding the following entry to http://osx.iusethis.com

"What can I say. I wrote and I use it.

These sorts of apps probably only work for certain sorts of people. I use it to record my alcohol consumption and find that updating it every day helps me think about how much I am drinking.

It hasn't stopped me drinking, nor will it, but it does mean that there are more days when I go without a drink.

I am not a smoker but I think the program should be useful in this situation too. The user defines the substance units to be used and categorises them. So it should prove capable of tracking the usage of various substances.

The app is also document based. This might be useful if you run a dependency program and want to help clients track their usage."