Really a must-have: this chromatic balalaika tuner is very fast, accurate and recognizes all strings using the built-in mic! Easy and perfect fine-tuning for all balalaika types: Prima, Piccolo, Secunda, Tenor, etc. This app is developed by a musician and electrical engineer, thus it combines high usability and cutting-edge signal processing. Simple Balalaika Tuner is easy to use and provides an aesthetic and customizable user interface. Features: + Default balalaika: Prima (E4-E4-A4 tuning). + Tone accuracy: +/- 1.0 cents + Large frequency range (22 Hz to 1000 Hz). + Gauge view of the detected tone (semitone) and octave. + Tuning by ear. + Free user support. + Developed for the iPhone and iPad. In-App-Purchase: + Extension for all kinds of balalaika and tunings. (Piccolo, Secunda, Tenor, Bass, etc.). + String Protection: warning when tuning is out of range (prevents over-tightening of balalaika strings) + Calibration: 430 – 500 Hz (0.1 Hz-steps) + Sensitivity: choose between 5 different values (from very low to very high) + Display of exact frequency (in Hz). + Display of frequency deviation (in Hz, marked by up/down arrow). + Spectral view (FFT – visualization of overtones). + Time-domain view (autocorrelation). + Configurable user interface (8 different themes). ------------- MORE: In the case that you experience crashes (or other inconveniences) with this app, please contact me (before you give a low rating to this app) - you may use the following contact form: http://www.simpleukuleletuner.com/support.html where you can describe the issue. Thanks in advance!