Guitar Tuner Toolbox app icon

Guitar Tuner Toolbox

The ultimate guitar tuner, metronome, and chord library app for guitar players.

LondonAdagio - Apps for musicians, by musicians · com.londonadagio.toolbox.guitar

Not rated yet 50K+ downloads v1.10.8 18.2 MB Android 5.0+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v1.10.8 (5455)
Updated
Nov 20, 2025 (11 months ago)
APK size
18.2 MB
Requires
Android 5.0+ (API 21)
CPU support
x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category
Tools (app)
Listed since
Jun 9, 2023 (at least)
Permissions
12 (1 sensitive)
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Guitar Tuner Toolbox is an app by LondonAdagio - Apps for musicians, by musicians in the Tools category, listed since at least June 2023. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

It asks for 12 permissions, 1 of them sensitive: record audio. It asks for the same permissions as version 1.10.7. The app can read the advertising ID that ad and analytics services use.

What's new in v1.10.8

♩ 1.10.8 ♪♪ Tuner works again in airplane mode ♩ 1.10.7 ♪♪ Fixed an issue with background play notification ♩ 1.10.6 ♪♪ Fixed a bug that made the metronome crash when using very low tempo ♪♪ Added Standard B tuning (not sure) ♩ 1.10.5 ♪♪ Fixed a bug that made the metronome notification not working ♩ 1.10.4 ♪♪ Fixed a bug in the metronome crashing with certain configurations ♩ 1.10.3 ♪♪ Fixed a bug with navigation ... ♩ 1.10.0 ♪♪ New polyrhythm mode in the metronome

Description

From the listing uploaded by “appupdater”.

Guitar Tuner Toolbox is the perfect companion to every guitarist, beginner or advanced alike. It offers a powerful guitar tuner, an advanced metronome, and an extensive chord library—all for free. 🎸 Guitar Tuner 🎸 Guitar Tuner Toolbox offers an accurate guitar tuner for 6-string and 7-string guitars, bass guitars, ukuleles, and more. Perfect for standard and alternative tunings. It uses the microphone from your smartphone to automatically detect the strings you're trying to tune and will guide you through tuning thanks to an easy to use interface. The advanced algorithms used will guaranteed you the highest precision you can find in a guitar tuner. The tuner includes many popular tunings, such as Drop D tunings, open D and open G tunings, DADGAD and many more. If you need more, the chromatic mode allows you to tune your guitar however you want. ⏱️ Metronome ⏱️ Master your rhythm with our feature-packed metronome. Ideal for beginner guitar practice. Key Features: - Adjustable Tempo: Set BPM from 20 to 300. - Subdivision: Practice complex rhythms with subdivisions. - Polyrhythm Mode: Customize and master polyrhythms. - Visual and Audio Cues: Stay on beat with visual flashes and audio clicks. - Speed Training: Gradually increase tempo to build speed and precision. 🎼 Chord Library Enhance your musical knowledge with our comprehensive chord library, featuring over 2000 chord charts. Key Features: - Extensive Chord Charts: Major, minor, diminished, augmented, and extended chords. - Full Fingerings: Detailed finger placements on the fretboard. - Note Information: Learn the notes in each chord. - Interval Details: Understand the intervals between notes. Why Choose Guitar Tuner Toolbox? Guitar Tuner Toolbox is your go-to app for guitar tuning, rhythm training, and chord reference. Here’s why musicians love it: - Completely Free: All features are free—no hidden costs. - User-Friendly Interface: Easy to navigate for all skill levels. - High Precision: Trust our tuner for perfect pitch. - Versatile Tools: Comprehensive solutions for tuning, rhythm, and chords. Download Guitar Tuner Toolbox Today! Take your music to the next level with Guitar Tuner Toolbox. Tune your guitar, practice with the metronome, and explore new chords—all in one app. Download now and start playing guitar with confidence! Guitar Tuner Toolbox: Your ultimate guitar tuner, metronome, and chord library app.

Version history

3 versions are listed, going back to v1.10.6.

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Nov 20, 2025.
  • Certificate issued to “London Adagio” This is the certificate of the Google Play version.
  • Same certificate as the 2 other versions checked

Store checks and file details

  • Developer signature verified Nov 20, 2025
  • Validated against Google Play Nov 20, 2025
  • Signed byCN=London Adagio
  • Signing certificate (SHA-1)A4:8B:75:D7:0E:24:5A:2E:E0:1E:DA:76:57:3D:7F:CE:3B:5D:FB:28
  • File MD52464a5f9039fa0fb95e4692fd4594f10
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (12)

Guitar Tuner Toolbox requests 12 permissions, 1 of them sensitive.

Required hardware & features

Guitar Tuner Toolbox APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Guitar Tuner Toolbox APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 2464a5f9039fa0fb95e4692fd4594f10.

Tags

More Tools apps