What the Clang Static Analyzer is to your code, Faux Pas is to your whole Xcode project. Faux Pas doesn't just look at your code - it inspects all the elements of your Xcode project together. This allows it to find completely new classes of potential issues.
Tame latent bugs
Rules like these alert you to issues in your project that might manifest as bugs later down the line:
Find resource file errors
Are you sure you didn't make more...
- OS X 10.9 or later
- Xcode 5 or later