About this app
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.
Latest release
What’s New
Bug fixes and enhancements.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 12:59 PM Free
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