Apps like 123\Tune+

Here are some great alternatives to 123\Tune+ by Albertronic B.V. :
Progression Ignition Tuner v2
Progression Ignition Tuner v2
★4.6
GS-911 Bluetooth Legacy
GS-911 Bluetooth Legacy
★3.4
QuickTune 7
QuickTune 7
★4.4
Airyware Tuner - strobe & more
Airyware Tuner - strobe & more
★4.5
Tune It Yourself
Tune It Yourself
★3.9
Tuning Controls
Tuning Controls
★4.0
Advanced Tuner guitar violin
Advanced Tuner guitar violin
★3.6
Tuning Club Online: Car Racing
Tuning Club Online: Car Racing
★4.6
Tuning Car Racing
Tuning Car Racing
★4.1
Guitar Tuner
Guitar Tuner
★4.7
Auto-Key | Music key detection
Auto-Key | Music key detection
★3.8
Tune!It
Tune!It
★4.7
LinoStrobe Pro chromatic tuner
LinoStrobe Pro chromatic tuner
★4.4
Master Violin Tuner
Master Violin Tuner
★4.4
MusicToolkit Lite: 12 String
MusicToolkit Lite: 12 String
★3.9
Harmonic Tuner Simple
Harmonic Tuner Simple
★3.4