Ultimate Guitare Toolkit

CroCro

In-app purchases

About this app

🎸 Ultimate Guitare Toolkit — the complete guitarist's toolkit, from beginner to jazz player.

One app to tune, learn, practise, play and write music.

🎵 TUNE & RHYTHM
• Chromatic mic tuner, accurate to the cent
• Metronome: simple and compound meters (6/8, 9/8, 12/8), triplet subdivision
• Programmable drum machine, with a triplet grid

🎼 SCALES & CHORDS
• Scale explorer across the whole fretboard: major, minors (natural, harmonic, melodic), pentatonics and modes
• Chord dictionary: positions, inversions, voicings
• Left- / right-handed display

🎷 JAZZ & IMPROV
• Jazz Backing: chord charts played as an accompaniment
• Licks and phrases to work on
• ii-V-I, turnarounds, reharmonization

📚 INTERACTIVE LESSONS
A real theory course you hear and manipulate, from the harmonic series to advanced jazz:
• Intervals, triads, scales and modes
• Major and minor harmony, cadences, tensions
• Secondary dominants, ii-V, related II, tritone substitution, borrowed chords
• Voicings & voice-leading, rhythm
Every idea on the staff, with listening and interactive exercises.

🎯 EXERCISES
• Interval recognition and ear training
• Name notes on the fretboard and on the staff
• Vocal mic exercises (sing or play the target note)

🎛️ PEDALBOARD & LOOPER
• Real-time audio effects, low latency (native engine)
• Arrangement mode: place your loops bar by bar
• Live scale detection on the loops being played

🎶 SCORES
• Personal library + online catalog
• Import MusicXML (.mxl) files from MuseScore, Drive, an email…
• Scan a chord chart from a photo (read on-device, nothing is uploaded)
• Create your own scores, even by playing the guitar (audio capture)
• Multi-voice editor: melody, chords, tablature, key signature, tempo, meter
• MusicXML export (MuseScore / Guitar Pro)

✨ ALSO
• Sounds from a real recorded guitar
• English and French interface
• Left- / right-handed comfort

The core features are free; the advanced tools and lessons are available by subscription, no commitment, cancel anytime.

What’s new

• Chords as intervals: “R” + degrees (3, 5, 7…) instead of fingerings
• Jazz improv guide: key selector, scales by parent scale + modern-jazz options
• Blues licks with staff
• Unified leather/brass buttons
• Auto direct monitoring with USB interface (Scarlett)
• Fixed open-position chord diagrams