+1
Trying to use Evernote on iOS to complete todo items truly is horrible usability-wise. In fact, this would be one the most the common use cases for me personally with the iPhone app - currently I use it for very little else.
However, I disagree with the solutions presented. I tend to do that a lot on this forum - it seems . Making the checkboxes bigger is just a kludge. Making them adjustable by the user is even worse. This is not a vector drawing program nor a desktop publishing app. Especially the latter is what several users seem to want to turn Evernote into.
Instead, there