App tuners compared

 PriceDetection
Accuracy
(cents)
Detection
Range
(notes)
Calibration
Range
(Hz)
Instrument
Tuning
Modes?
Transposition
Range
Pro-
grammable?
Memory
Restore?
Polyphonic?Alternate
Meter
Modes?
Metronome?Tone
Generator?
OS
Boss Tuner AppFree±0.681A#0 – G8415-4652iOS, Android
Fender Tune AppFree±2.511A0 – C81-2♭, 1♯3iOS, Android
Guitar TunaFree+±8.131415-46653iOS, Android
Martin Tuner AppFree±10.011436-4453iOS, Android
Peterson iStrobosoft$9.99±0.11D#0 – D#8415-46541-11♭, 1-11♯5iOS, Android 6
PitchLabFree+±0.221200-5001-6♭, 1-5♯3iOS, Android
TC Electronic PolyTune App$4.99±3.24 / * / ±5.171435-4451-5♭iOS only
NOTES
1. Our test results shown
2. Tone generator range is 110-880 Hz
3. Generates tones matching available guitar and bass tuning options
4. Sweetened tunings available as upgrades
5. Hertz, cents and midi display modes. More available as upgrades
6. Several features and upgrades are available in iOS version only
= The tuner has this feature or function
= The tuner does not have this feature or function
= Not specified