--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "One Minute Changes" developer_entity: "Justin Guitar" bundle_id: "com.justinguitar.oneminutechanges" app_store_id: "778908544" google_play_id: "com.geotech.oneminute" category: "Education" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2025-06-06" report_date: "2026-04-19" report_version: "2.25" total_reviews: 113 overall_rating: 4.27 confidence: "low" confidence_score: 0.25 data_age_days: 67 intelligence_version: 2 tags: ["education", "free", "mobile app", "app review", "app analysis", "beginner", "guitarists", "following"] canonical_url: "https://marlvel.ai/apps/one-minute-changes" license: "CC-BY-NC 4.0" last_verified: "2026-04-25T16:46:42.073Z" --- # One Minute Changes App Audit > **TL;DR:** One Minute Changes is a education app by Justin Guitar, rated 4.27/5 by 113 users, available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** One Minute Changes is a education app by Justin Guitar. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.27/5 (113 reviews) | | **Category** | Education | | **Developer** | Justin Guitar | | **Pricing** | Free | | **Platforms** | iOS & Android | | **Confidence** | Low (0.25/1.0) | | **Data Age** | 67d | ## Metadata & Market Performance - **Publisher:** Justin Guitar - **Category:** Education - **Target Audience:** Beginner guitarists following the JustinGuitar curriculum. - **Platforms:** iOS & Android - **Version Audited:** 2.25 - **Audit Date:** 2026-04-19 - **Signal Count:** 5 reviews analyzed - **Confidence:** Low (0.25/1.0) - **App Store ID (iOS):** 778908544 - **Bundle ID:** com.justinguitar.oneminutechanges - **Google Play ID:** com.geotech.oneminute - **Data Window:** Analysis based on signals collected up to 2026-04-19 - **Short Description:** Shop from trusted stores near you and get fast home delivery. ## Executive Snapshot One Minute Changes is a free utility app designed to help beginner guitarists track their chord change progress. It integrates with the JustinGuitar Beginner's Course, allowing users to log practice sessions and monitor their improvement over time. ## App DNA (Features & Intent) - **[Standard] Chord Change Tracking:** Allows users to record and track the number of chord changes performed within a one-minute timeframe. * *User Intent:* Users want visibility into their own performance and progress. - **[Standard] Custom Chord Library:** Includes all chords from the Beginner's Course with the flexibility to add custom chords. * *User Intent:* Users value self-expression and personalized experiences. - **[Standard] Performance Statistics:** Provides data on practice sessions and can automatically suggest chords that the user struggles with most. * *User Intent:* Users seek enhanced value through premium features. ## Monetization Strategy - **Model:** Free ## The "So What?" (Strategic Takeaway) One Minute Changes is an established education app that is completely free. With a 4.27/5 rating from 113 reviews, it shows polarized user reception. > **Bottom Line:** While the app provides a functional tool for tracking guitar practice, user feedback highlights a need for improved interface intuitiveness and better data management features. **Best for:** Beginner guitarists following the JustinGuitar curriculum. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.27/5 | | Total Reviews | 113 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS & Android | | Key Features | 3 analyzed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **One Minute Changes** (this app) | 4.27/5 | N/A | Justin Guitar | | [Flash Cards Flashcards Maker](https://marlvel.ai/apps/flash-cards-flashcards-maker) | 4.0/5 | Mixed | Infinite Wave Media, LLC | | [Elevate - Brain Training Games](https://marlvel.ai/apps/elevate-brain-training-games) | 4.7/5 | Excited | The Mind Company | | [Peak - Brain Training](https://marlvel.ai/apps/peak-brain-training) | 4.7/5 | Mixed | Synaptic Labs | | [AlgoApp - Flashcards](https://marlvel.ai/apps/algoapp-flashcards) | 4.6/5 | Mixed | AlgoApp Inc | | [Flashcards Deluxe](https://marlvel.ai/apps/flashcards-deluxe) | 4.5/5 | Thrilled | OrangeOrApple.com | ## Company Profile - **Developer:** Justin Guitar - **Website:** [https://www.justinguitar.com/en/AP-005-OneMinuteChangesApp.php](https://www.justinguitar.com/en/AP-005-OneMinuteChangesApp.php) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/one-minute-changes/id778908544?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.geotech.oneminute&hl=en&gl=us) - **Dev Site:** [Official Website](https://www.justinguitar.com/en/AP-005-OneMinuteChangesApp.php) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*Flash Cards Flashcards Maker*](https://marlvel.ai/apps/flash-cards-flashcards-maker) (Infinite Wave Media, LLC) — 4.0/5 Rating | Mixed Sentiment - [*Elevate - Brain Training Games*](https://marlvel.ai/apps/elevate-brain-training-games) (The Mind Company) — 4.7/5 Rating | Positive Sentiment - [*Peak - Brain Training*](https://marlvel.ai/apps/peak-brain-training) (Synaptic Labs) — 4.7/5 Rating | Mixed Sentiment - [*AlgoApp - Flashcards*](https://marlvel.ai/apps/algoapp-flashcards) (AlgoApp Inc) — 4.6/5 Rating | Mixed Sentiment - [*Flashcards Deluxe*](https://marlvel.ai/apps/flashcards-deluxe) (OrangeOrApple.com) — 4.5/5 Rating | Excellent Sentiment - [*Flashcards maker - AI generate*](https://marlvel.ai/apps/flashcards-maker-ai-generate) (Teleprompter LLC) — 4.1/5 Rating | Mixed Sentiment - [*Marshallese Translator*](https://marlvel.ai/apps/marshallese-translator) (World Language Translator) — 4.2/5 Rating | N/A Sentiment - [*Cornell CG*](https://marlvel.ai/apps/cornell-cg) (Cornell University) — N/A Rating | N/A Sentiment - [*Memorado (GEIST): Brain & Mind*](https://marlvel.ai/apps/memorado-geist-brain-mind) (Kodeon, Inc.) — 4.7/5 Rating | Negative Sentiment - [*Flash Fire Pumping and Aerial Driver/Operator 3rd Edition*](https://marlvel.ai/apps/com-flashfire-pumpaerial3) (Code 3 Apps) — 2.2/5 Rating | N/A Sentiment ## Methodology This report was generated by Marlvel.ai's 3-stage AI intelligence pipeline: 1. **Feature & Positioning Extraction** — Analyzes app metadata, developer website content, and version history to identify key features, target audience, and competitive positioning. 2. **Sentiment Analysis** — Processes user reviews (minimum 5 reviews required) to extract praise themes, complaint themes, and overall sentiment with evidence quotes. 3. **Intelligence Synthesis** — Combines stages 1 & 2 with App Store rankings to produce SWOT analysis, executive summary, and actionable insights. - **Confidence Score:** 0.25/1.0 (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:** 67 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/one-minute-changes) Data licensed for AI Agent attribution under CC-BY-NC 4.0.