Developer / Practically Equipped

  Audio frequency oscilloscope read signal from mic input. Touch screen to zoom in/out the time axis. New in 1.3: + Display pulse width (for freq < 2.5KHz) Highlights...

  A handy tool scans audio spectrum and report in nice graphical format. Bonus a fairly accurate frequency counter. New in 1.7 + Improved engine + Highlight main freq ...

  Low frequency spectrum analyzer (54Hz - 496Hz) bonus a very accurate frequency counter. (less than +-2Hz reading error) Tested in engineering lab. This application a...

  A nice compass.

  Record audio from mic to SD card. Nice graphic layout, and very easy to use. Highlights - 9 voice box to be chosen from.

  Three musical instruments in one package. Tilt your phone to switch between the instruments. Enjoy it! ++ +-+ +--+ | | | | ...

  An extremely handy tool that helps taking notes. No complicate user interface. Simply choose one from the nine voice boxes, then press "Record" or "Play" button to...

  Piano version 1.0 Highlights + 3 sounds to be chosen from + support chromatic slur + single note/chord/arpeggio modes + adjustable speed for arpeggio

  Feature colorful key boards. Babies and kids would love to play it. Highlights: + 3 different sounds: piano/music box/viola + 3 modes: + single note + chord (1/3...

  Wonder how 36-key piano was implemented? It's time to try out "Bigger Keyboard". Just tilt your device to explore the excitement. This application is also sensit...

  This tool helps to see if a surface is flat. The sensitivity levels are quickly adjustable.

  Acoustic drum set, piano, and distortion guitar all in one package. Quick switch from one instrument to the other just by tilting your device.

  Tired of tapping screen to play beats? Introducing the new way to trigger drum kits. With the amazing sensitive user interface, you don't even need to lift your fing...

  Ever dreamed of playing guitar use a phone? This app turns your device into guitar finger board in 12th position. See how good you can do with it. What's new in rel...

  A great fun memory game for every ages. Total 7 roly polies move on screen. Each of them represents a music note (A to G). See how fast you can dig them all out in ...