Simple Balalaika Tuner - Precise Chromatic Tuner

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).

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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!