--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Mode Circle" developer_entity: "Dr. Garbers Softwareentwicklung" bundle_id: "de.webli.garbers.Circle-of-Diatonic-Modes" app_store_id: "6444849284" category: "Music" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2023-09-11" report_date: "2026-09-20" last_verified: "2026-09-20T00:00:00.000Z" report_version: "1.1" total_reviews: 5 overall_rating: 4.6 sentiment: "Mixed" sentiment_score: 50 confidence: "medium" confidence_score: 0.45 top_praise_theme: "Educational tool helps musicians grasp complex musical modes and their relationships through a clear interface" top_complaint_theme: "Lack of major and minor interval displays prevents novice musicians from using the app effectively" review_sample_size: 2 total_review_count: 2 analyzed_review_count: 2 data_age_days: 11 momentum_velocity: "zombie" intelligence_version: 2 tags: ["music", "free", "mixed sentiment", "mobile app", "app review", "app analysis", "music", "students", "musicians"] canonical_url: "https://marlvel.ai/apps/mode-circle" license: "CC-BY-NC 4.0" content_version: "v2" --- # Mode Circle Intelligence Report ## TL;DR {#tldr} - **Category**: Music · Free - **Signal**: Rating 4.6 · Sentiment Mixed - **Recent focus**: Lack of major and minor interval displays prevents novice musicians from using the app effectively (top complaint) · Educational tool helps musicians grasp complex musical modes and their relationships through a clear interface (top praise) > **TL;DR:** Mode Circle is a music app by Dr. Garbers Softwareentwicklung, rated 4.6/5 by 5 users, with Mixed user sentiment (50/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Mode Circle shows Mixed sentiment (4.6/5 from 5 reviews) - users praise educational tool helps musicians grasp complex musical modes and their relationships through a clear interface but report issues with lack of major and minor interval displays prevents novice musicians from using the app effectively. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.6/5 (5 reviews) | | **User Mood** | Mixed | | **Category** | Music | | **Developer** | Dr. Garbers Softwareentwicklung | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Medium (0.45/1.0) | | **Data Age** | 11d | ## Metadata & Market Performance - **Publisher:** Dr. Garbers Softwareentwicklung - **Category:** Music - **Target Audience:** Music students and musicians seeking an interactive visual reference for diatonic scales and music theory. - **Platforms:** iOS - **Version Reviewed:** 1.1 - **Report Date:** 2026-09-20 - **Signal Count:** 2 reviews analyzed - **Confidence:** Medium (0.45/1.0) - **App Store ID (iOS):** 6444849284 - **Bundle ID:** de.webli.garbers.Circle-of-Diatonic-Modes - **Data Window:** Analysis based on signals collected up to 2026-09-20 ## Executive Snapshot **What it is:** Mode Circle is an interactive music theory tool for iOS that visualizes diatonic scales and modal relationships via a generalized circle of fifths. **Why users hire it:** The app removes the cognitive friction of visualizing complex scale relationships, though the lack of interval data limits its utility for beginners. ## App DNA (Features & Intent) - **[Differentiator] Interactive Circle of Fifths:** Visualizes 12x7 diatonic scales with interactive playback and root note shifting. - **[Differentiator] Multi-View Scale Arrangements:** Organizes 84 scales by tone, fundamental, degree, brightness, or fifth/semitone relationship. - **[Differentiator] Note Carpet Integration:** Links to the Note Carpet app for extended music theory workflows. ## Market Position {#market-position} Mode Circle holds a 4.6-star rating across 5 total ratings on the iOS platform. The lack of updates for over 1,100 days signals a maintenance-only posture that limits its competitive standing. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is distributed as a free tool with no visible in-app purchases or subscription gates. ## 🟡 User Sentiment (Medium Confidence: 2 of 2 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.6/5 - **Platform Split:** iOS 4.6/5 (5 ratings) - **Overall Sentiment:** Mixed ### Top Praises - **Educational tool helps musicians grasp complex musical modes and their relationships through a clear interface** ### Top Complaints (Impact Areas) - **Lack of major and minor interval displays prevents novice musicians from using the app effectively** ## SWOT Analysis {#swot} **Core Strengths:** - Interactive circle of fifths visualization clarifies complex modal relationships **Growth Levers:** - Adding fundamental interval data would lower the barrier for novice learners ## What's New - **Latest (v1.1, 3 years ago):** Added integration with the Note Carpet app. ## App Momentum (Zombie) {#momentum} - No major releases since 2023. - Maintenance-mode status for 36 months. > **Cadence:** 1 total versions · 0 majors in last 6 months · 1105 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Mode Circle is a music app that is completely free. It holds a 4.6/5 rating from 5 reviews. > **Bottom Line:** The clear visualization of modal relationships provides value, but the three-year development gap and missing interval data limit its reach. Adding fundamental interval displays would unlock the novice segment and address the primary churn driver. **Best for:** Music students and musicians seeking an interactive visual reference for diatonic scales and music theory. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship major and minor interval displays because it is the top-requested missing feature for novices → increase user retention ### Outlook: Mixed The music theory tool market is consolidating around apps with frequent live-ops and comprehensive interval training. Mode Circle's maintenance-only status leaves it exposed to rivals that offer a more complete educational path, which will likely lead to a decline in new-user acquisition. - 🔴 The three-year development gap signals a maintenance-only posture, which erodes the app's ability to compete against frequently updated music theory tools. - ⚪ The core visualization remains a useful educational resource, but it requires fundamental interval data to remain relevant for novice musicians. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.6/5 | | Total Reviews | 5 | | Sentiment | Mixed (50/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Mixed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Mode Circle** (this app) | 4.6/5 | Mixed | Dr. Garbers Softwareentwicklung | | [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:** Dr. Garbers Softwareentwicklung - **Website:** [https://sites.google.com/view/modecircle/en](https://sites.google.com/view/modecircle/en) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/mode-circle/id6444849284?uo=4) - **Dev Site:** [Official Website](https://sites.google.com/view/modecircle/en) - **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 Mode Circle suitable for beginners? While the app provides a clear visual reference for modal relationships, users report that the lack of major and minor interval displays makes it difficult for beginners to use effectively. ### Does Mode Circle have a paid version? No, Mode Circle is currently distributed as a free tool with no in-app purchases or subscription gates. ### What is the difference between Mode Circle and other theory apps? Mode Circle focuses specifically on visualizing 12x7 diatonic scales via an interactive circle of fifths, whereas other theory apps often include broader interval training and ear-training exercises. ## 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:** 0.45/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 2 - **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:** 11 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/mode-circle) Data licensed for AI Agent attribution under CC-BY-NC 4.0.