UnitBasse is the Mac app that brings theory and studio together for bass players.
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Press Kit
Press Kit
UnitBasse
Everything you need to write about UnitBasse : high-resolution visuals, ready-to-use copy, fact sheet and direct contact.
UnitBasse in a few words
Learn a new scale. Tune up. Find the right amp tone. Plug in an effect. To do all that, bass players typically open 4 or 5 different apps — often ugly, sometimes limited, never specifically designed for bass. UnitBasse brings the essentials together in a single native macOS application : 69 interactive scales with full fretboard and auto-calculated fingerings, a precise chromatic tuner, vintage and modern amp models with cabinets, a pedalboard with 22 built-in effects, plus direct access to Audio Unit plugins installed on your Mac.
All the details
Name
UnitBasse
Publisher
20 fois l'ours (France)
Category
Music · Creative tools
Platform
macOS 14 (Sonoma) or later · Apple Silicon & Intel
Price
$9.99 / €9.99 · single purchase, no subscription
Release date
June 1, 2026
Distribution
Mac App Store
Languages
14 — French, English, German, Spanish, Brazilian Portuguese, Italian, Dutch, Japanese, Simplified Chinese, Traditional Chinese, Korean, Russian, Polish, Turkish
Tech stack
Swift · SwiftUI · AVAudioEngine · Audio Units
Official website
20foislours.fr/unitbasse
Four modules in a single app
🎼
Scales
69 interactive scales on a fretboard up to the 20th fret. Auto-calculated fingerings. Three display modes : notes, intervals, degrees. Four tunings. Description, tips and musical styles for each scale.
🎯
Tuner
Chromatic detection via NSDF algorithm, accurate to the cent. Adjustable A4 reference from 430 to 450 Hz. Real-time display of note, frequency and cents offset.
🔊
Amp
8 vintage and modern amp models — SVT Classic, Bassman '59, Bass 400+, GK 800, AD200B, 360, GP12, Microtubes Modern. 5 cabinets : 4×10, 1×15, 8×10, 1×12, direct DI.
🎛️
Pedalboard
22 internal effects : Noise Gate, Compressor, Octaver, Synth, Wah, Envelope Filter, Boost, Overdrive, Distortion, Fuzz, Chorus, Flanger, Phaser, Tremolo, Tape, Delay, Reverb, EQ + 5 creative effects. Plus external AU plugin chain.
High-resolution screenshots
All visuals available at 2880×1800 (Retina). Download the full ZIP or click an image for the individual file.
Ready-to-publish press release
UnitBasse Launches: The Mac App That Brings Theory and Studio Together for Bass Players
Paris, France — June 1, 2026 — 20 fois l'ours today announces the release of UnitBasse, a native macOS application built for bass players, combining a chromatic tuner, 69 interactive scales, a complete amp with effects, and access to Audio Unit plugins. Available now on the Mac App Store at $9.99.
Filling a gap in the Mac music software market
While guitarists enjoy a wide selection of Mac apps tailored to their instrument, bass players have been historically underserved on the platform. Most existing tools are mobile apps, web wrappers, or guitar-centric solutions adapted to bass without much care. UnitBasse offers an alternative designed specifically for bass, end to end.
Four modules in a single app
The Scales module displays an interactive fretboard up to the 20th fret with automatic fingering calculation. It covers 69 scales — pentatonics, major modes, harmonic and melodic minor modes, blues scales, bebop, exotic scales (Japanese, Arabic, Persian, Indian, Balinese) and symmetrical scales. Each scale is documented : description, usage tips, related chords, musical styles.
The chromatic tuner detects frequency through NSDF algorithm, accurate to the cent, with adjustable A4 reference from 430 to 450 Hz to accommodate orchestral practice.
The Amp module offers eight amplifier modelings (SVT Classic, Bassman '59, Bass 400+, GK 800, AD200B, 360, GP12, Microtubes Modern) and five cabinets (4×10, 1×15, 8×10, 1×12, direct DI).
The pedalboard integrates 22 internal effects from Noise Gate to Reverb, plus a chain of external AU plugins to use any Audio Units plugin installed on the Mac.
An independent, local, subscription-free app
UnitBasse is developed by 20 fois l'ours, an independent French studio. The app is fully native, written in Swift and SwiftUI for Apple Silicon and Intel. No internet connection required, no tracking, no subscription : a single purchase. The interface is translated into 14 languages.
Availability and pricing
UnitBasse is available today on the Mac App Store at $9.99 / €9.99. It requires macOS 14 (Sonoma) or later.
20 fois l'ours
20 fois l'ours is an independent French software studio. The company designs polished, native Mac applications conceived as precise, durable tools.
UnitBasse is its first published application. More projects are in the works, in the same spirit : building tools we want to use ourselves every day.
Visit 20foislours.frFull press kit
All visuals, copy and logos in a single ZIP file. Perfect for full article writing.
Question, request ?
We respond within 48 hours to any press inquiry. Test license, interview, product photo — we adapt.
Press email
presse@20foislours.fr
Official website
20foislours.fr
Product page
20foislours.fr/unitbasse