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Mi-Fi Monitor for iOS 1.3.2 is in review right now:
Mi-Fi Monitor for Mac is at the stage where I'm comfortable releasing it on the Mac App Store, so 1.3.2 will be the first version there when it is approved.
I'm still working on the GPS stuff for 2.0, and plan to add some requested features to 1.4 in the meantime. The signal graph is probably going to revert back to its previous look but offer a button to expand it to fill the screen. I'm also adding a slider to the settings area so you can set how often you want the app to check your Mi-Fi for battery and signal status.