This is an improvement over the release button version. Very easy to adjust amount and grind size, no need to change it. Little things that are hardly worth mentioning but I think could be improved are the lid attachment and some flimsy plastic, so you have to be careful to align the little arrows and not to use force. But an improvement there would probably make it more expensive. I use mine every day and it's very simple and neat. Fill up, press the button and it too is emptied cleanly into the filter basket. I have no idea how that compares to a large coffee grinder, but from what I've seen they are complex and require regular cleaning and can still grind unevenly.
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