Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Smiley Tuner - Accurate tuning 螢幕截圖

iPhone

About Smiley Tuner - Accurate tuning

You can use this app to tune your guitar, bass, and ukulele up to 0.01Hz of sensitivity(in a silent room).

Just bring the indexes to the center with green area and you are in tune.

Just pay once for the extra features for the lifetime

No subscriptions or auto-renewals

Some of the features are
* more than 50 types of guitar tuning(drop, open, etc)
* 9 types of ukulele tuning (including tenor, soprano, baritone, etc.)
* 8 types of bass tuning
* 6 types of banjo tuning
* 7 types of mandolin tuning
* auto and manual string selection
* both octave and tone approach indexes
* warning for too tight strings which may break(in manual string selection mode)
* phoneAmp amplifier with common studio effects and recording feature
* metronome with grouping of beats