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So, what about the apps? Are they worth it? Overall, I am impressed. I'd give most apps a solid B. There are a few duds out there, but they get such low ratings I haven't even bothered with them. Of the ones I actually have downloaded, I am generally pleased. The apps generally work as advertised.

I've even been impressed with the technical support: I reported problems to two app developers and both of them replied within a day. One of them even said they'd already fixed the problem I reported (it was an issue with their server) and were adding my feature suggestion in their next version. Pretty cool and impressive.

Some of the apps I've used are quite incredible: Sketch, for instance, has an amazing interface and lets you do impressive things with a phone. (Though it is puzzling that it doesn't let you type text.) It also does something few, if any, desktop apps do: it supports multiple undo even after a file is saved! That's right, you can create an image, make changes to it, and then come back a week later and undo the last thing you did. That's sophisticated for a "real" app, let alone a phone!