PerfectTune - PerfectTune is the ultimate tuner for stringed instruments. Not only does it feature a lightning fast pitch detection system, that is unparalleled by any other tuner on the AppStore, it also comes with an innovative multi-string layout that lets you tune your instrument quickly to a great variety of tunings
PLAY by AOL Music - Music brings out something special in all of us, it triggers long forgotten memories and creates new ones that will last a lifetime
Pocket RTA (iPhone) is a highly portable award winning real-time spectrum analyzer for the iPhone and iPhone 3G.
Pocket RTA has many advanced features which are normally only found in much more expensive sound analysis software, providing fast and accurate spectrum analysis suitable for both amateur hi-fi enthusiasts and professional A/V engineers
PocketAudio for iPhone/iPad allows you to use your iOS device as a wireless speaker/microphone for your computer. The app automatically forwards audio played on your computer to your phone via WiFi.
PocketAudio can be used to play sound from any Windows or Mac OS application
PocketAudio Microphone for iPhone/iPad - PocketAudio Microphone allows you to use your iOS device as a wireless microphone for your computer. The app automatically forwards audio played on your mobile phone to your computer via WiFi.
PocketAudio Microphone can be used as an audio input device for Windows or Mac
Practise - Practise is a tool to help with practising or transcribing songs from your iTunes library.
Practise is designed to allow you to move quickly around a piece of music, and when necessary, focus on and repeat a particular section
QuickVoice Recorder is one of the most popular voice recorders available for the iPhone. It's perfect for recording ideas, voice memos, dictation, to do lists, classes, meetings, or entire lectures. Ideal for professional, educational, and personal use
SPL Meter is a semi-professional sound level meter providing Sound Pressure Level (SPL) on your iPhone or iPod Touch.
You will need a microphone to measure SPL
ReSound Smart for iPhone - ReSound Smart is a companion app for the ReSound LiNX hearing aids, which allows you to customize the hearing experience using your iPhone. With it you can tune the sound any way you like by adjusting the bass, treble and volume.
You can also use ReSound Smart to configure the settings of the hearing aids for a particular place
