--- title: "Scale Master Guitar & Bass - Reviews, Revenue and Downloads in Portugal | Apple App Store" description: "Scale Master Guitar is the comprehensive fretboard learning app designed to help guitarists master scales, understand music theory, and improve their playing through interactive visualization and audi" --- # Scale Master Guitar & Bass — Portugal ![Scale Master Guitar & Bass App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/99/fb/6b/99fb6bea-172f-348c-761c-b47154a9b872/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/434x0w.png) **Developer:** [Unknown](https://apptail.io/developer/unknown-afgyw) **Category:** Music **Rating:** 5.0/5 (2 ratings) **Price:** Free **Bundle ID:** com.rbsoundz.scalemasterguitar **Store:** Apple App Store **Country:** Portugal **Version:** 1.2.9 (released 2026-07-16) **Original Release:** 2025-09-02 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/pt/app/app/id6746448058) **AppTail Page:** [https://apptail.io/app/scale-master-guitar-bass-IoHw/portugal](https://apptail.io/app/scale-master-guitar-bass-IoHw/portugal) ## Scale Master Guitar & Bass Description Scale Master Guitar is the comprehensive fretboard learning app designed to help guitarists master scales, understand music theory, and improve their playing through interactive visualization and audio training. INTERACTIVE FRETBOARD VISUALIZATION Visualize scale patterns across the entire guitar neck with our advanced fretboard display. See exactly where to place your fingers for any scale or mode, with clear visual indicators and multiple position patterns. The interactive chromatic wheel provides an intuitive understanding of note relationships and harmonic theory. COMPREHENSIVE SCALE LIBRARY Access a complete collection of essential guitar scales including major, minor, pentatonic, blues, and exotic scales. Master all seven modes - Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, and Locrian. Each scale includes multiple fingering patterns and positions across the fretboard for complete mastery. CHORD PROGRESSION PLAYER Build and practice custom chord progressions with high-quality audio playback. The integrated sequencer provides piano and bass accompaniment, helping you understand harmonic context while developing your chord knowledge. Practice with adjustable tempo and seamless looping functionality. ADVANCED AUDIO ENGINE Professional SoundFont-based audio system delivers studio-quality playback for all instruments. Real-time audio feedback helps develop your ear training while the built-in metronome keeps you in perfect time during practice sessions. MUSIC THEORY INTEGRATION Understanding guitar theory becomes simple with visual learning tools that connect scale patterns to musical concepts. See how scales relate to chord construction and harmonic progressions, making complex theory accessible to players at every level. PREMIUM FEATURES Unlock the complete Scale Master Guitar experience with premium access including all scales and modes, full audio playback capabilities, progression saving functionality, downloadable fretboard diagrams, and an ad-free learning environment. PERFECT FOR ALL LEVELS Whether you're a beginner learning your first scales or an advanced player exploring exotic modes, Scale Master Guitar adapts to your skill level. Music teachers use our visual tools to demonstrate concepts clearly, while students benefit from the interactive learning approach. KEY BENEFITS Learn scales faster through visual pattern recognition. Develop better fretboard knowledge with comprehensive position training. Improve improvisation skills by understanding scale relationships. Practice chord progressions with professional backing tracks. Master music theory through interactive exploration. Transform your guitar playing with Scale Master Guitar - the essential tool for serious musicians. ## Scale Master Guitar & Bass Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/00/0d/5b/000d5b62-2810-30b1-1173-c1965df94434/Apple_iPhone_14_Plus_Screenshot_1.png/1284x2778.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/fd/d3/cc/fdd3cc61-8e73-388f-ba0f-ac676b795efa/Apple_iPhone_14_Plus_Screenshot_2.png/1284x2778.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/3e/da/57/3eda57fa-af6f-fb62-a18b-2af589883e32/Apple_iPhone_14_Plus_Screenshot_3.png/1284x2778.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/3e/b7/80/3eb7802c-06a9-d485-4fbb-7ec6c3c848e1/Apple_iPhone_14_Plus_Screenshot_4.png/1284x2778.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d5/c9/da/d5c9da0e-d11c-df4e-83d1-b0120acfd756/Apple_iPhone_14_Plus_Screenshot_5.png/1284x2778.png) ## Scale Master Guitar & Bass Rating Breakdown in Portugal - 5 stars: 2 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## Scale Master Guitar & Bass Available In - [Portugal](https://apptail.io/app/scale-master-guitar-bass-IoHw/portugal) - [Australia](https://apptail.io/app/scale-master-guitar-bass-IoHw/australia) - [Barbados](https://apptail.io/app/scale-master-guitar-bass-IoHw/barbados) - [Belgium](https://apptail.io/app/scale-master-guitar-bass-IoHw/belgium) - [Bahrain](https://apptail.io/app/scale-master-guitar-bass-IoHw/bahrain) - [Bermuda](https://apptail.io/app/scale-master-guitar-bass-IoHw/bermuda) - [Brunei](https://apptail.io/app/scale-master-guitar-bass-IoHw/brunei) - [Belize](https://apptail.io/app/scale-master-guitar-bass-IoHw/belize) - [Switzerland](https://apptail.io/app/scale-master-guitar-bass-IoHw/switzerland) - [Chile](https://apptail.io/app/scale-master-guitar-bass-IoHw/chile) - [Colombia](https://apptail.io/app/scale-master-guitar-bass-IoHw/colombia) - [Cyprus](https://apptail.io/app/scale-master-guitar-bass-IoHw/cyprus) - [Ecuador](https://apptail.io/app/scale-master-guitar-bass-IoHw/ecuador) - [Estonia](https://apptail.io/app/scale-master-guitar-bass-IoHw/estonia) - [Egypt](https://apptail.io/app/scale-master-guitar-bass-IoHw/egypt) - [Spain](https://apptail.io/app/scale-master-guitar-bass-IoHw/spain) - [Grenada](https://apptail.io/app/scale-master-guitar-bass-IoHw/grenada) - [Honduras](https://apptail.io/app/scale-master-guitar-bass-IoHw/honduras) - [Croatia](https://apptail.io/app/scale-master-guitar-bass-IoHw/croatia) - [Hungary](https://apptail.io/app/scale-master-guitar-bass-IoHw/hungary) - [Indonesia](https://apptail.io/app/scale-master-guitar-bass-IoHw/indonesia) - [Iceland](https://apptail.io/app/scale-master-guitar-bass-IoHw/iceland) - [Japan](https://apptail.io/app/scale-master-guitar-bass-IoHw/japan) - [South Korea](https://apptail.io/app/scale-master-guitar-bass-IoHw/south-korea) - [Kuwait](https://apptail.io/app/scale-master-guitar-bass-IoHw/kuwait) - [Cayman Islands](https://apptail.io/app/scale-master-guitar-bass-IoHw/cayman-islands) - [Sri Lanka](https://apptail.io/app/scale-master-guitar-bass-IoHw/sri-lanka) - [Lithuania](https://apptail.io/app/scale-master-guitar-bass-IoHw/lithuania) - [Luxembourg](https://apptail.io/app/scale-master-guitar-bass-IoHw/luxembourg) - [Latvia](https://apptail.io/app/scale-master-guitar-bass-IoHw/latvia) - [Mali](https://apptail.io/app/scale-master-guitar-bass-IoHw/mali) - [Mauritius](https://apptail.io/app/scale-master-guitar-bass-IoHw/mauritius) - [Namibia](https://apptail.io/app/scale-master-guitar-bass-IoHw/namibia) - [Oman](https://apptail.io/app/scale-master-guitar-bass-IoHw/oman) - [Pakistan](https://apptail.io/app/scale-master-guitar-bass-IoHw/pakistan) - [Qatar](https://apptail.io/app/scale-master-guitar-bass-IoHw/qatar) - [Russia](https://apptail.io/app/scale-master-guitar-bass-IoHw/russia) - [Thailand](https://apptail.io/app/scale-master-guitar-bass-IoHw/thailand) - [Taiwan](https://apptail.io/app/scale-master-guitar-bass-IoHw/taiwan) - [United Arab Emirates](https://apptail.io/app/scale-master-guitar-bass-IoHw/united-arab-emirates) - [United States](https://apptail.io/app/scale-master-guitar-bass-IoHw/united-states) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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