Updated for better compatibility with newer iOS releases.

Updated for iOS 11 and the iPhone X.
Bug fix for missing sound after audio interruptions.

Bug fix for iambic mode.

Updated for iOS 10, plus a bug fix to Iambic mode.

Updated for iOS 7.

Updated for iOS6 and the iPhone 5.

Bug fix for no sound on relaunch from background under iOS 4.
Bug fix for iambic tap recognition.

enhancements for iOS4.0 compatibility.
bug fix for iambic mode keying.

Bug fixes.

Also please look for the HotPaw Morse Decoder app, also in the App store, which can decode the sounds made by MorseKey back into text.