Tuner-G
Guitar & Instrument Tuner
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Tune your instruments with precision using Tuner-G, the beautifully designed chromatic tuner for guitarists, bassists, and musicians of all levels.
ACCURATE PITCH DETECTION
Powered by professional-grade algorithms (YIN & pYIN), Tuner-G delivers fast, reliable pitch detection. See exactly how sharp or flat you are with our intuitive circular gauge that responds instantly to your playing.
MULTIPLE INSTRUMENTS & TUNINGS
• Guitar (6-string): Standard, Drop D, Half Step Down, DADGAD, Open G, and more
• Bass (4-string): Standard, Drop D, Half Step Down
• Ukulele: Standard, Low G, Baritone
• Chromatic mode for any instrument
REAL-TIME WAVEFORM
See your audio input in real-time with the built-in waveform display. Know instantly when your microphone is picking up sound.
ADJUSTABLE REFERENCE PITCH
Set your A4 reference from 415 Hz (Baroque) to 450 Hz with convenient presets:
• Baroque: 415 Hz
• Classical: 432 Hz
• Concert: 440 Hz
• Orchestral: 442 Hz
DESIGNED FOR MUSICIANS
• Clean, distraction-free interface
• Light and dark themes
• Large, easy-to-read display
• Works in noisy environments
• Adjustable sensitivity settings
PRIVACY FOCUSED
Audio is processed entirely on your device. No data is collected or sent anywhere.
Download Tuner-G and get in tune today!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
This major update brings a powerful Reference Tone Guide and a completely reimagined iPad experience!
REFERENCE TONE GUIDE
• Train your ear with the new built-in Tone Generator.
• Tap any string to play a pure sine wave reference tone.
• Features a seamless, glitch-free loop for continuous playback.
• Adjust volume and stop playback easily with the new dedicated controls.
ALL-NEW IPAD EXPERIENCE
• Redesigned for iPad: Tuner-G now fully utilizes your iPad screen with responsive layouts for both Portrait and Landscape orientations.
• Dual-Column Settings: A beautiful new settings panel that groups controls logically for easier access.
• Expanded Pitch Gauge: A larger, more precise gauge display for better visibility on your stand.
• Optimized Controls: Larger buttons and improved spacing make tuning easier than ever.
IMPROVEMENTS & FIXES
• Enhanced layout responsiveness across all devices.
• Fixed audio artifacts for smoother reference tone playback.
• Improved UI density in Settings for a cleaner look.
• Various performance optimizations.
Thank you for tuning with Tuner-G! If you love the update, please consider leaving a review or a tip in the Settings menu.
The developer, Ratshavarin Trinabhametr, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ratshavarin Trinabhametr
- Size
- 9.7 MB
- Category
- Utilities
- Compatibility
Requires iOS 26.2 or later.
- iPhone
Requires iOS 26.2 or later. - iPad
Requires iPadOS 26.2 or later. - Mac
Requires macOS 26.2 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.2 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Big Coffee $1.99
- Small Coffee $0.99
- Snack $0.99
- Copyright
- © 2025 Master-Tempo