Guitar Tuner - True Lock Tuner
Chords, Metronome & Bass
Free · In‑App Purchases
Tune with precision, detect chords instantly, master rhythm with an advanced metronome, and explore alternate tunings—all in one powerful guitar toolkit.
Everything you need to tune, practice, and improve—right from your pocket.
Guitar Tuner & Metronome: True Lock Tuner is more than a tuner—it's a complete guitar practice toolkit. Tune with precision, detect chords instantly, master rhythm, and build better practice habits whether you're just starting out or playing every day.
Precision Guitar Tuner
• Fast, accurate microphone tuning
• Clear note display with fine-tune meter
• Visual "In Tune" lock indicator
• Standard tuning (E A D G B E)
• Beginner-friendly tuning guidance
Instant Chord Detection
• Detect chords in real time using your guitar
• View the detected chord instantly
• Great for learning songs, checking fingerings, and ear training
Built-In Metronome
• Adjustable tempo from 40–240 BPM
• Tap Tempo for quick speed matching
• Clean, distraction-free interface
• Perfect for practice, timing, and consistency
Practice Tracking
• Track daily playing activity
• Build practice streaks
• Stay motivated with simple progress insights
Upgrade to Pro — One-Time Unlock ($4.99)
Unlock even more powerful practice tools:
• 12 Alternate Guitar Tunings
• Complete Chord Library
• Advanced Metronome Features
• Time Signatures (3/4, 4/4, 5/4, 6/8, 7/8)
• Subdivisions (8th, Triplets, 16th Notes)
• Tempo Trainer (automatic BPM increases)
• Gap Click training mode
No subscriptions. Pay once. Unlock everything.
Why True Lock Tuner?
Every feature is designed to help you become a better guitarist—not just a better tuner.
• Tune faster
• Learn chords quicker
• Practice smarter
• Build consistent habits
• Improve every day
Download True Lock Tuner today and make every practice session count.
Privacy:
https://truelocktuner.com/true-lock-tuner-privacy-policy.pdf
• Added Drop D Flat alternate tuning for half-step-down tuning.
• Redesigned the Detect Chord feature with a new full-screen listening interface for an improved user experience.
• Improved overall usability and visual polish.
The developer, Gregory Swan, 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 Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Gregory Swan
- Size
- 39 MB
- Category
- Music
- Compatibility
Requires iOS 26.2 or later.
- iPhone
Requires iOS 26.2 or later. - iPad
Requires iPadOS 26.2 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- True Lock Tuner Pro $4.99
- Copyright
- © 2026 Gregory Swan