--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Instrument Scales" developer_entity: "Thiago Anderson Martins" bundle_id: "br.com.thiagoAM.InstrumentScales" app_store_id: "1500152877" category: "Music" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-09-14" report_date: "2026-09-15" last_verified: "2026-09-15T00:00:00.000Z" report_version: "4.1.0" total_reviews: 29 overall_rating: 4.7 sentiment: "Excited" sentiment_score: 75 confidence: "low" confidence_score: 0.35 top_praise_theme: "Extensive library of scales and fretboard visualizations helps musicians learn complex theory across multiple instruments" top_complaint_theme: "Inflexible visual elements like numbers and colors hinder note designation clarity for some guitarists" review_sample_size: 5 total_review_count: 5 analyzed_review_count: 5 data_age_days: 15 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["music", "freemium", "excited sentiment", "mobile app", "app review", "app analysis", "musicians", "students", "playing"] canonical_url: "https://marlvel.ai/apps/instrument-scales-learn-tune" license: "CC-BY-NC 4.0" content_version: "v2" --- # Instrument Scales Intelligence Report ## TL;DR {#tldr} - **Category**: Music · Freemium - **Signal**: Rating 4.72 · Sentiment Excited - **Recent focus**: Inflexible visual elements like numbers and colors hinder note designation clarity for some guitarists (top complaint) · Extensive library of scales and fretboard visualizations helps musicians learn complex theory across multiple instruments (top praise) > **TL;DR:** Instrument Scales is a music app by Thiago Anderson Martins, rated 4.72/5 by 29 users, with Excited user sentiment (75/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Instrument Scales maintains Excited user sentiment (4.72/5 from 29 reviews), with users consistently praising extensive library of scales and fretboard visualizations helps musicians learn complex theory across multiple instruments. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.72/5 (29 reviews) | | **User Mood** | Excited | | **Category** | Music | | **Developer** | Thiago Anderson Martins | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | Low (0.35/1.0) | | **Data Age** | 15d | ## Metadata & Market Performance - **Publisher:** Thiago Anderson Martins - **Category:** Music - **Target Audience:** Musicians and students playing guitar, bass, piano, ukulele, or mandolin who require visual theory tools and structured practice routines. - **Platforms:** iOS - **Version Reviewed:** 4.1.0 - **Report Date:** 2026-09-15 - **Signal Count:** 5 reviews analyzed - **Confidence:** Low (0.35/1.0) - **App Store ID (iOS):** 1500152877 - **Bundle ID:** br.com.thiagoAM.InstrumentScales - **Data Window:** Analysis based on signals collected up to 2026-09-15 ## Executive Snapshot **What it is:** Instrument Scales is a visual music-theory toolkit for guitar, bass, piano, ukulele, and mandolin players on iOS. **Why users hire it:** The app removes the cognitive friction of translating abstract music theory into physical fingerboard patterns by providing real-time visual feedback. ## App DNA (Features & Intent) - **[Standard] Instrument-Specific Fretboard Visualization:** Displays notes, scale degrees, and intervals across multiple instrument interfaces. - **[Differentiator] Max Daily Sessions:** Provides a fresh, personalized daily practice session and ear-training module. * *User Intent:* Users are motivated by consistent progression and daily incentives. - **[Differentiator] Mastery Map:** Visualizes skill progression and practice history over time. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Instrument Scales occupies a niche in the Music category, balancing utility tools with structured education. The 4.7-star rating across 29 reviews suggests high satisfaction among the current user base, though the low review volume indicates a limited market footprint compared to broader music-learning platforms. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free essentials, Pro one-time purchase, Max subscription with 7-day free trial - **Analysis:** Hybrid model combines a one-time Pro purchase for tools with a recurring Max subscription for personalized daily content. ## 🟢 User Sentiment (Low Confidence: 5 of 5 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.72/5 - **Platform Split:** iOS 4.7/5 (29 ratings) - **Overall Sentiment:** Excited ### Top Praises - **Extensive library of scales and fretboard visualizations helps musicians learn complex theory across multiple instruments** - **Simplicity and focused design allow beginners to grasp note operations without unnecessary feature bloat** ### Top Complaints (Impact Areas) - **Inflexible visual elements like numbers and colors hinder note designation clarity for some guitarists** ## SWOT Analysis {#swot} **Core Strengths:** - Visual fretboard mapping across five instruments functions as a barrier to entry for text-only theory apps. - Hybrid monetization model balances one-time Pro purchases with recurring Max subscription revenue. **Growth Levers:** - Localized UI in six languages provides a foundation for expansion into non-English speaking music education markets. ## What's New - **Latest (v4.1.0, yesterday):** Introduced 'Practice this scale' for direct fretboard-to-practice transitions, streamlined the Learn tab navigation, and implemented one-tap subscription flows for Pro/Max plans. ## App Momentum (Maintenance) {#momentum} - Shipped direct fretboard-to-practice transitions. - Streamlined Learn tab navigation. - Maintains maintenance-level update cadence. > **Cadence:** 2 total versions · 1 majors in last 6 months · 1 days since last update · 40 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Instrument Scales is a music app that is free with in-app purchases. It holds a 4.72/5 rating from 29 reviews. > **Bottom Line:** Instrument Scales retains core users through its focused visual utility, but the current maintenance-level cadence leaves the app vulnerable to rivals with faster feature iteration. Prioritizing visual customization toggles would address the primary frustration theme and solidify the app's position as a primary practice tool. **Best for:** Musicians and students playing guitar, bass, piano, ukulele, or mandolin who require visual theory tools and structured practice routines. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship visual toggle for note numbers and colors because user complaints flag this as a clarity barrier → improve advanced user retention ### Outlook: Stable The music education market is shifting toward personalized, AI-driven practice routines that Instrument Scales is beginning to address with its Max Daily sessions. The app's stable, high-rated position provides a solid foundation, but the lack of aggressive feature iteration may limit growth as competitors introduce more interactive, community-led learning experiences. - 🟢 The latest release introduces direct practice transitions, showing a commitment to improving the core user workflow. - 🔴 The maintenance-level update cadence limits the app's ability to respond to user requests for visual customization. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.72/5 | | Total Reviews | 29 | | Sentiment | Excited (75/100) | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Instrument Scales** (this app) | 4.72/5 | Excited | Thiago Anderson Martins | | [SyncTimer - Ensemble Stopwatch](https://marlvel.ai/apps/synctimer-ensemble-stopwatch) | 5.0/5 | Thrilled | Sebastian Suarez-Solis | | [BandLab – Music Maker & Beats](https://marlvel.ai/apps/bandlab-music-maker-beats) | 4.8/5 | n/a | BandLab Singapore Pte Ltd | | [Suno - AI Songs, Music, Lyrics](https://marlvel.ai/apps/suno-ai-songs-music) | 4.0/5 | Mixed | Suno, Inc. | | [ヨルシカ](https://marlvel.ai/apps/com-yorushika-sp) | 4.8/5 | N/A | Fanplus, Inc. | | [あいみょん](https://marlvel.ai/apps/net-aimyong-sp) | 4.5/5 | N/A | Fanplus, Inc. | ## Company Profile - **Developer:** Thiago Anderson Martins ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/instrument-scales-learn-tune/id1500152877?uo=4) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*SyncTimer - Ensemble Stopwatch*](https://marlvel.ai/apps/synctimer-ensemble-stopwatch) (Sebastian Suarez-Solis) · 5.0/5 Rating | Excellent Sentiment - [*BandLab – Music Maker & Beats*](https://marlvel.ai/apps/bandlab-music-maker-beats) (BandLab Singapore Pte Ltd) · 4.8/5 Rating - [*Suno - AI Songs, Music, Lyrics*](https://marlvel.ai/apps/suno-ai-songs-music) (Suno, Inc.) · 4.0/5 Rating - [*ヨルシカ*](https://marlvel.ai/apps/com-yorushika-sp) (Fanplus, Inc.) · 4.8/5 Rating - [*あいみょん*](https://marlvel.ai/apps/net-aimyong-sp) (Fanplus, Inc.) · 4.5/5 Rating - [*イントリズム*](https://marlvel.ai/apps/jp-rc-into-rhythm) (RedinC) · 3.5/5 Rating - [*クリープハイプ*](https://marlvel.ai/apps/creephyp-sp-browsingapp) (Fanplus, Inc.) · N/A Rating - [*マカロニえんぴつ*](https://marlvel.ai/apps/com-macaroniempitsu-fc) (Fanplus, Inc.) · 3.1/5 Rating - [*100.1 Jack FM*](https://marlvel.ai/apps/100-1-jack-fm) (NRG Media) · 1.0/5 Rating - [*100.1 WJRZ*](https://marlvel.ai/apps/100-1-wjrz) (Beasley Broadcast Group) · 4.8/5 Rating | Excellent Sentiment ## Frequently Asked Questions {#faq} ### Is Instrument Scales suitable for absolute beginners? Yes, the app is praised for its clean interface and lack of complexity, making it helpful for new guitar players learning basic scale mechanics. ### Does the app require a subscription to use? The app offers a freemium model. You can access free essentials, purchase Pro features with a one-time payment, or subscribe to Max for personalized daily sessions. ### What instruments are supported by Instrument Scales? The app currently supports guitar, bass, piano, ukulele, and mandolin. ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps. 2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks. 3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes). 4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category. 5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights. - **Confidence Score:** 0.35/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 5 - **Data Sources:** user reviews, App Store metadata - **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform - **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence. - **Report Age:** 15 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/instrument-scales-learn-tune) Data licensed for AI Agent attribution under CC-BY-NC 4.0.