--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Music Theory Tools: Music Guru" developer_entity: "Sean Ray Dvir" bundle_id: "com.melodicmind.musicguru" app_store_id: "6785110509" google_play_id: "com.scales.scaleheaven" category: "Music" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-09-17" report_date: "2026-09-27" last_verified: "2026-09-27T00:00:00.000Z" report_version: "34" total_reviews: 118 overall_rating: 4.1 sentiment: "Thrilled" sentiment_score: 85 confidence: "medium" confidence_score: 0.6 top_praise_theme: "Extensive library of scales and chord progressions provides immediate value for musicians composing new tracks" top_complaint_theme: "Lack of left-handed guitar settings makes the app difficult to use for left-handed musicians" review_sample_size: 39 total_review_count: 39 analyzed_review_count: 39 data_age_days: 4 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["music", "freemium", "thrilled sentiment", "mobile app", "app review", "app analysis", "songwriters,", "music", "producers,"] canonical_url: "https://marlvel.ai/apps/music-theory-tools-music-guru" license: "CC-BY-NC 4.0" content_version: "v2" --- # Music Theory Tools: Music Guru Intelligence Report ## TL;DR {#tldr} - **Category**: Music · Freemium - **Signal**: Rating 4.13 · Sentiment Thrilled - **Recent focus**: Lack of left-handed guitar settings makes the app difficult to use for left-handed musicians (top complaint) · Extensive library of scales and chord progressions provides immediate value for musicians composing new tracks (top praise) > **TL;DR:** Music Theory Tools: Music Guru is a music app by Sean Ray Dvir, rated 4.13/5 by 118 users, with Thrilled user sentiment (85/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Music Theory Tools: Music Guru maintains Thrilled user sentiment (4.13/5 from 118 reviews), with users consistently praising extensive library of scales and chord progressions provides immediate value for musicians composing new tracks. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.13/5 (118 reviews) | | **User Mood** | Thrilled | | **Category** | Music | | **Developer** | Sean Ray Dvir | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.6/1.0) | | **Data Age** | 4d | ## Metadata & Market Performance - **Publisher:** Sean Ray Dvir - **Category:** Music - **Target Audience:** Songwriters, music producers, teachers, and improvisers seeking practical theory tools for composition and practice. - **Platforms:** iOS & Android - **Version Reviewed:** 1.22 - **Report Date:** 2026-09-27 - **Signal Count:** 39 reviews analyzed - **Confidence:** Medium (0.6/1.0) - **App Store ID (iOS):** 6785110509 - **Bundle ID:** com.melodicmind.musicguru - **Google Play ID:** com.scales.scaleheaven - **Data Window:** Analysis based on signals collected up to 2026-09-27 ## Executive Snapshot **What it is:** Music Guru is a music theory exploration tool for songwriters and producers, providing an interactive library of 1,790 scales and chords on iOS and Android. **Why users hire it:** Musicians use the studio auditioning and MIDI export tools to bridge the gap between theoretical knowledge and track production, removing the friction of manual transcription. ## App DNA (Features & Intent) - **[Differentiator] Interactive Scale and Chord Library:** Library of 1,790 scales and chords with interactive playback and instrument-specific visualizations. Full access is gated behind the $5/month tier, serving as the primary paid-conversion lever. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Differentiator] MIDI Export:** Exports chord progressions and scale ideas as MIDI files for external DAWs. This feature targets professional workflows and is gated behind the $5/month tier. * *User Intent:* Users seek enhanced value through premium features. - **[Basic] Ad-Free Experience:** Removes advertisements for $2/month, monetizing users who prioritize a focused workspace over the ad-supported free model. ## Market Position {#market-position} Music Guru occupies a niche in the music theory category, serving 118 total ratings across platforms. The lack of a major update in the last six months suggests a maintenance-mode posture that risks losing ground to more active rivals. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with ads, Ad-Free tier at $2/month, Full Access tier at $5/month - **Analysis:** The freemium model segments users by ad-tolerance and feature depth, with a $5/month ceiling for full creative tool access. ## 🟢 User Sentiment (Medium Confidence: 39 of 39 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.13/5 - **Platform Split:** Android 4.1/5 (118 ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **Extensive library of scales and chord progressions provides immediate value for musicians composing new tracks** - **Studio feature allows users to audition and hear chord progressions before committing them to compositions** - **Exporting MIDI files directly from the app simplifies the workflow for music producers using external software** ### Top Complaints (Impact Areas) - **Lack of left-handed guitar settings makes the app difficult to use for left-handed musicians** ## SWOT Analysis {#swot} **Core Strengths:** - Interactive playback of 1,790 scales creates a high-utility composition workspace. - MIDI export functionality provides a direct integration path into professional DAW workflows. **Growth Levers:** - Adding metronome-backed practice routines would capture the improviser segment currently requesting timing tools. ## What's New - **Latest (v34, 2 weeks ago):** Updated app icon and launch screen branding. ## App Momentum (Maintenance) {#momentum} - Ships maintenance updates for branding. - Last major release over six months ago. > **Cadence:** 3 total versions · 0 majors in last 6 months · 10 days since last update · 36 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Music Theory Tools: Music Guru is a market-leading music app that is free with in-app purchases. With a 4.13/5 rating from 118 reviews, it delivers strong user satisfaction. > **Bottom Line:** Music Guru's deep theory library retains core users, but technical instability and intrusive notifications threaten the funnel. Addressing these friction points is required to maintain the app's utility for professional producers who rely on its MIDI export capabilities. **Best for:** Songwriters, music producers, teachers, and improvisers seeking practical theory tools for composition and practice. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Audit crash logs on high-end devices because technical instability is a top complaint → improve retention ### Outlook: Stable The music theory tool market is consolidating around apps that offer direct DAW integration, and Music Guru's MIDI export capability positions it well for this shift. However, the current maintenance-only release cadence leaves it exposed to rivals with more frequent feature updates, which could erode its lead before the next major release. - 🔴 Technical instability on high-end devices disrupts session flow, which compounds the churn pressure already visible in user reviews. - 🟢 MIDI export functionality provides a clear utility for professional producers, creating a sticky workflow that rivals often lack. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.13/5 | | Total Reviews | 118 | | Sentiment | Thrilled (85/100) | | Confidence | Medium | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Music Theory Tools: Music Guru** (this app) | 4.13/5 | Thrilled | Sean Ray Dvir | | [SyncTimer - Ensemble Stopwatch](https://marlvel.ai/apps/synctimer-ensemble-stopwatch) | 5.0/5 | Thrilled | Sebastian Suarez-Solis | | [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. | | [イントリズム](https://marlvel.ai/apps/jp-rc-into-rhythm) | 3.5/5 | N/A | RedinC | | [クリープハイプ](https://marlvel.ai/apps/creephyp-sp-browsingapp) | N/A/5 | N/A | Fanplus, Inc. | ## Company Profile - **Developer:** Sean Ray Dvir - **Website:** [https://melodic-mind.com/apps/music-guru](https://melodic-mind.com/apps/music-guru) - **Social:** [Instagram](https://www.instagram.com/_melodic_mind) · [X/Twitter](https://twitter.com/Melodic_Mind) · [YouTube](https://www.youtube.com/channel/UC3sN6Jv-pP1d1cMCiPOnXOw) · [TikTok](https://www.tiktok.com/@melodic_mind) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/music-theory-tools-music-guru/id6785110509?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.scales.scaleheaven&hl=en&gl=us) - **Dev Site:** [Official Website](https://melodic-mind.com/apps/music-guru) - **Sources:** Developer website content, 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 - [*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 - [*100.3 The Wolf*](https://marlvel.ai/apps/100-3-the-wolf) (SummitMedia, LLC) · 4.1/5 Rating - [*100.7 KIK-FM*](https://marlvel.ai/apps/100-7-kik-fm) (Hubbard Radio) · 4.3/5 Rating ## Frequently Asked Questions {#faq} ### Is Music Guru suitable for professional music producers? Yes, Music Guru includes MIDI export functionality that allows producers to move chord progressions and scale ideas directly into external digital audio workstations. ### Does Music Guru have intrusive advertisements? Music Guru offers a free ad-supported tier, but users can remove these ads by subscribing to the $2/month Ad-Free tier. ### What is the difference between the free and full access tiers? The free tier includes ads and limited access, while the $5/month Full Access tier unlocks the entire library of 1,790 scales and chords, plus advanced MIDI export features. ### Are there alternatives for left-handed guitarists? Music Guru currently lacks specific left-handed guitar fingerings, which users have identified as a barrier to entry; left-handed players may find other theory tools more accommodating. ## 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:** 0.6/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 39 - **Data Sources:** user reviews, developer website, 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:** 4 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/music-theory-tools-music-guru) Data licensed for AI Agent attribution under CC-BY-NC 4.0.