A simple, easy to use and accurate guitar tuner app. This free guitar tuner app is perfect for complete beginners, recommended by guitar teachers. This chromatic tuner has professional accuracy for advanced players. Detects the string automatically and guides you through a simple interface. Uses the built-in mic of your device, no cables needed. Default mode of the guitar tuner app is auto which is for super fast tuning, hands-free, string by string... In manual mode you can select the string you want to tune. The reference sounds are calibrated using signal processing tools. Therefore they are pitch-perfect for ear tuning. Supported modes: ◆ Standard : E - A - D - G - B - E ◆ Drop D : D - A - D - G - B - E ◆ Double Drop D : D - A - D - G - B - D ◆ Open D Major : D - A - D - F# - A - D ◆ Open D Minor : D - A - D - F - A - D ◆ Open A : E - A - C# - E - A - E ◆ Open A Minor : E - A - E - A - C - E ◆ Open C : C - G - C - G - C - E ◆ Low C : C - G - D - G - A - D ◆ Open G : D - G - D - G - B - D ◆ D Modal : D - A - D - G - A - D ◆ Half Step Down : D# - G# - C# - F# - A# - D# ◆ Whole Step Down : D - G - C - F - A - D ◆ Drop C : C - G - C - F - A - D ◆ Open E : E - B - E - G# - B - E ◆ Drop B : B - F# - B - E - G# - C# ◆ New Standard : C - G - D - A - E - G ◆ Open C Minor : C - G - C - G - C - D# ◆ Open E Minor : E - B - E - G - B - E ◆ Open G Minor : D - G - D - G - A# - D ◆ James Taylor : E(-12c) - A(-10c) - D(-8c) - G(-4c) - B(-6c)- E(-3c) Differentiates guitar sound and background noise. Therefore the tuner has very high performance in a noisy environment for electric and acoustic guitars. Install free and keep your acoustic guitar in tune…