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Evaluating Quality

On the surface, saying you want a bug-free app is a no-brainer. Because many of the approaches proposed in this chapter have an associated cost, however, it’s best if everyone understands the cost. That is, to judge whether an investment is worthwhile, you want to be sure you see the entire value.

Naturally, a known “show-stopper” bug that renders your app useless must be fixed or your app isn’t really an app. If you look beyond such critical bugs, however, you’ll see bugs of varying degrees. The question is what sorts of bugs can you avoid at what cost. You’ll ultimately reach a point of diminishing returns, where the last bug might take months to crush. The key is to always assess bugs before attempting to address them.


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