Company Elena Polyanskaya created these great apps:
Light Meter - lux and foot candle measurement tool, dB Decibel Meter - sound level measurement tool, Audio spectrum analyzer EQ Rta, Octave Band Real Time Frequency Analyzer and Sound Level Meter, Fast Scan - QR, Barcode and Isbn code scanner, Speedometer and Acceleration + HUD Speed Tracker, Speed Tracker, HUD display and Trip Computer, Fraction Calculator Pro Plus, Audio Spectrum Analyzer dB RTA, Lux Light Meter Pro, and others..
