Apps like BOSS Tuner

Here are some great alternatives to BOSS Tuner by Roland Corporation :
Tuner T1
Tuner T1
★3.7
Fine Chromatic Tuner
Fine Chromatic Tuner
★3.4
Chromatic Tuner
Chromatic Tuner
★4.1
Guitar Tuner, Violin: Tuneo
Guitar Tuner, Violin: Tuneo
★4.8
Instrument Tuner Pro
Instrument Tuner Pro
★4.6
Fine Chromatic Tuner Pro
Fine Chromatic Tuner Pro
★4.3
Advanced Tuner guitar violin
Advanced Tuner guitar violin
★3.6
Strobe Tuner Pro: Guitar Tuner
Strobe Tuner Pro: Guitar Tuner
★4.6
Violin Tuner, Viola & Cello
Violin Tuner, Viola & Cello
★4.2
Noteworthy Tuner
Noteworthy Tuner
★4.6
DaTuner: Tuner & Metronome
DaTuner: Tuner & Metronome
★4.2
TuneIt: Guitar Tuner & Tempo
TuneIt: Guitar Tuner & Tempo
★4.6
Tune!It Lite
Tune!It Lite
★4.5
Airyware Tuner - strobe & more
Airyware Tuner - strobe & more
★4.5
Tuner - gStrings
Tuner - gStrings
★4.7
Bass Tuner BT1
Bass Tuner BT1
★4.2