App Profile: Tuner-Guitar&Ukulele&Bass

Universal Tuner is a free professional-grade tuner that is the simplest, fastest and most accurate tuning application for 10 million musicians!
All-in-one tuner for guitar, bass, ukulele and many other instruments.
Function:
• Simple and easy to use, suitable for classical and electric guitars (no other equipment required, just use the mobile phone microphone to tune)
• Professional high precision, suitable for advanced instrument users
• Simple and easy to use, beginners can easily learn it, highly recommended to teachers and students
• Clear visual feedback with signal recording - simple and intuitive
• Auto-tuning mode (ultra-fast tuning, hands-free, individually adjustable for each string)