# Bassist Buddy — Bassist Music Theory Companion

> Bassist Music Theory Companion (iPhone/iPad app by DOUGLAS ANDRE DEVILLIER.)

- Source: https://appshunter.io/ios/app/bassist-buddy/id6773560076 (this page in markdown: same URL + `.md`)
- Developer: [DOUGLAS ANDRE DEVILLIER](https://appshunter.io/developer/6773560078)
- Category: Music, Education
- Price: $1.99
- Age rating: 4+
- Requires: iOS 26.5 · 6 MB
- Languages: American English
- Released: 2026-06-03
- Data updated: 2026-09-05
- User reviews in markdown: https://appshunter.io/ios/app/bassist-buddy/id6773560076/reviews.md

## What is Bassist Buddy?

Bassist Buddy is a music theory reference and practice tool built for bass guitar players.

Select any of 30 major and minor keys — including all enharmonic pairs — and instantly see the notes in the key, the 7 diatonic chords, and a bass fretboard diagram showing exactly where to play them.

Key Features:
• Circle of fifths with all 30 keys — tap any segment to select
• Diatonic chords with chord quality labels and Roman numeral analysis
• Chord enhancements — Major 7, Minor 7, Dominant 7, Sus chords, Diminished, Augmented and more
• Bass fretboard showing all chord tones and scale notes in position, tap fretboard dots to hear individual bass notes and try out different base lines in the app
• 7 modes — Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, Locrian
• Chord Progression builder — arrange a progression of 4, 8, 12, or 16 bars, set rhythm patterns, play at any tempo - play your bass along with the progressions and practice your improvisational skills.  Comes with a strong set of default progressions and rhythms to minimize set up time.  3 common time signatures supported.  Ability to save new progressions and rhythms to your app.
• Karplus-Strong plucked string audio synthesis
• Setup Bass page, including
- Support for a 5 and 6-string basses and lefties in a Set up Your Bass page
- Custom tuning support per string
• Native IOS GUI with full dark mode support
• Support for pentatonic scales on the fretboard
• Consistent nomenclature for the degrees shown on each of the scale notes for a chord being displayed.  Root of selected chord is always 1, regardless of its degree in the Diatonic Scale.
• Scale display selection in the chord progression table
* Display box positions to support bassist improvisations
* Metronome and count in added in Progression playback and Baseline builder pages
* Walking baseline generator


## Version history (last 5 releases)

### 2.4 — 2026-09-03

* Added Major Blues scale view in Key Explorer
    * Bassline templates added to bassline builder - shows common bassline techniques for your chosen key/chord
    * Bassline ↔ Progression connection - apply bassline templates to the progression built on Chord Progressions page
    * Added root-centered ear training in the Key Context in the Key Explorer page

### 2.3 — 2026-08-26

* Improved walking baseline generator functionality.  
    * Bug fix to stop Baseline Builder playback when leaving the page
    * Fix button text font size on a couple pages

### 2.2 — 2026-08-18

1) Bug fix to recover missing three enharmonic keys from Circle of 5ths 
2) Walking Bass Pattern Generator — Given a chord progression, suggest (or auto-generate) a simple walking bass line using scale tones and chord tones.

### 2.1 — 2026-08-14

* Common Groove Pattern Templates in the Chord Progression Builder — One-tap loading of "12-bar blues in A," "I-IV-V," "ii-V-I," "I-V-vi-IV" etc. 
    * Metronome and Count In added for progression playback and baseline builder.
    * Box Pattern view on Key Explorer (show Root-5-Octave and other optional notes) for each chord
    * Fixed definition of notes “near root”, changed to mean the full pattern is closest to the root chord of the diatonic progression, so the bassist can play a baseline for any chord in the progression with minimal movement up and down the fretboard
    * Add new and save for new chord progressions and rhythms 
    * Fixed scale options in key explorer, no blues in major, no anything in diminished. 
    * UI Consistency Fixes
    * Other random Bug fixes

### 2.0.1 — 2026-08-05

Native IOS GUI with a cleaner look and feel and now have removed screenshots from previous versions.  Button cleanup on baseline builder page.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-05.*