Guitar Tuner: Chromatic is a free, professional guitar and bass tuner with real-time pitch detection. Tune acoustic or electric guitars and bass guitars in seconds — accurate to the cent, with no cables or extra hardware required.
WHY GUITARISTS CHOOSE THIS TUNER
• Chromatic tuner with live Hz display and color-coded feedback (blue = in tune, yellow = close, red = adjust)
• Auto Mode detects the string you're playing automatically
• 15 tuning presets: Standard, Drop-D, Drop-C, Drop-B, Open-G, Open-D, Open-C, and more
• Guitar (6-string) and Bass (4-string) modes with dedicated preset libraries
• Dark mode for studio, stage, and low-light practice
• Trusted by 2.5M+ musicians worldwide
HOW TO TUNE YOUR GUITAR
1. Open the app and select Guitar or Bass mode
2. Choose a tuning preset (E-Standard is free) or enable Auto Mode
3. Pluck a string near your iPhone microphone
4. Watch the visual tuner — adjust until the indicator turns blue
5. Repeat for all strings
PERFECT FOR
• Beginners learning standard guitar tuning (EADGBE)
• Bass players tuning E-A-D-G
• Drop-D, drop-C, and open tunings for rock, metal, and folk
• Quick pre-gig checks and recording session setup
• Music teachers demonstrating pitch and frequency
FREE vs PREMIUM
Free: E-Standard, D-Standard, and D#-Standard tunings for guitar and bass
Premium: All 15 presets, Auto Mode, ad-free experience
Download Guitar Tuner: Chromatic — the fast, accurate way to tune your guitar and bass.