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A simple iPhone/iTouch/iPad tool to tuning a guitar. Guitar tuning is a surprisingly simple process using this tool.Do not need your ear. Guitar Tunin …

Listening play piano, a dancing girl follow the piano keybord. Increased interest in practicing the piano.Piano Dancer samples piano sounds using micr …

A simple iPhone/iTouch tool to tuning a piano. Piano tuning is a surprisingly simple process, using the three pictured tools: mutes, electronic tuner …

Long-Time Recorder is a smart recorder for meeting, concert , classroom. It can skip no voice time to reduce the total time for the audio file. The so …

Acoustics Spectrum AnalyzerAcoustics Spectrum Analyzer is a Real-time audio spectrum analyser/recorder for iPhone and iPad. Acoustics Spectrum Analyze …

Retouching Face in portrait photos Want to get rid of that double chin, or perhaps get a more pronounced jawline or lose that large nose? Beauty Face …