--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Learn SQL: SQL Case Files" developer_entity: "Centum Studios Ltd" bundle_id: "com.sqlcasefiles.app" app_store_id: "6799281777" category: "Education" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-08-25" report_date: "2026-09-22" last_verified: "2026-09-22T00:00:00.000Z" report_version: "1.0" total_reviews: 1 overall_rating: 5 confidence: "low" confidence_score: 0.25 data_age_days: 8 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["education", "free", "mobile app", "app review", "app analysis", "aspiring", "analysts", "developers"] canonical_url: "https://marlvel.ai/apps/learn-sql-sql-case-files" license: "CC-BY-NC 4.0" content_version: "v2" --- # Learn SQL: SQL Case Files Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Free - **Signal**: Rating 5 > **TL;DR:** Learn SQL: SQL Case Files is a education app by Centum Studios Ltd, rated 5/5 by 1 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Learn SQL: SQL Case Files is a education app by Centum Studios Ltd. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (1 review) | | **Category** | Education | | **Developer** | Centum Studios Ltd | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.25/1.0) | | **Data Age** | 8d | ## Metadata & Market Performance - **Publisher:** Centum Studios Ltd - **Category:** Education - **Target Audience:** Aspiring data analysts and developers seeking practical, case-based SQL training. - **Platforms:** iOS - **Version Reviewed:** 1.0 - **Report Date:** 2026-09-22 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.25/1.0) - **App Store ID (iOS):** 6799281777 - **Bundle ID:** com.sqlcasefiles.app - **Data Window:** Analysis based on signals collected up to 2026-09-22 ## Executive Snapshot **What it is:** Learn SQL: SQL Case Files is an education app for iOS that teaches SQL through 100 authored, evidence-based investigations. **Why users hire it:** It replaces abstract syntax drills with practical, case-based objectives, removing the cognitive friction of guessing syntax without context. ## App DNA (Features & Intent) - **[Differentiator] Authored SQL Investigations:** Ten structured case files requiring SQL queries to solve evidence-based objectives - **[Differentiator] Archie SQL Guide:** Context-aware hint system providing assistance during complex query construction * *User Intent:* Users need clear guidance to understand and adopt the product quickly. ## Market Position {#market-position} Learn SQL: SQL Case Files occupies a niche in the education category by offering a fully free, case-based curriculum. The absence of a subscription model differentiates it from peers, though the 28-day gap since the initial release limits its current momentum. ## Monetization Strategy - **Model:** Free - **Tiers:** Full curriculum free, Optional one-time Supporter purchase - **Analysis:** The app utilizes a donation-based model for funding future content rather than gating features behind a subscription. ## SWOT Analysis {#swot} **Core Strengths:** - Authored investigations establish brand authority as a specialized tool - Archie SQL Guide reduces frustration-based churn via context-aware hints **Growth Levers:** - Donation-based model monetizes power users without gating curriculum ## App Momentum (Maintenance) {#momentum} - Launched initial 100-lead curriculum. - No updates since August 2026 launch. > **Cadence:** 1 total versions · 0 majors in last 6 months · 28 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Learn SQL: SQL Case Files is an education app that is completely free. It holds a 5/5 rating from 1 review. > **Bottom Line:** Learn SQL: SQL Case Files maintains a strong position by prioritizing investigative learning over subscription-gated content, but the lack of a post-launch update cadence risks stalling user retention as the initial ten investigations are exhausted. **Best for:** Aspiring data analysts and developers seeking practical, case-based SQL training. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship a content-update roadmap because the initial ten investigations will be exhausted by power users → sustain retention ### Outlook: Stable The education market for SQL training is shifting toward practical, project-based learning. Learn SQL: SQL Case Files is well-positioned to capture this segment, but the lack of a consistent release cadence leaves the app exposed to competitors who ship frequent content updates. - ⚪ The app has not shipped an update in 28 days, suggesting a maintenance-mode cadence that limits long-term growth potential. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 1 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 2 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Learn SQL: SQL Case Files** (this app) | 5/5 | N/A | Centum Studios Ltd | | [Catbus Student](https://marlvel.ai/apps/catbus-student) | 4.3/5 | N/A | Cohota Join Stock Company | | [Money Matrix (CAD)](https://marlvel.ai/apps/money-matrix-cad) | 5.0/5 | N/A | Blooming Kids Software LLC | | [Quran Treasure Island for Kids](https://marlvel.ai/apps/quran-treasure-island-for-kids) | 4.9/5 | Mixed | Akeela Manekia | | [Valencia College - MyVC](https://marlvel.ai/apps/valencia-college-myvc) | 5.0/5 | N/A | Valencia College | | [Verbi: Learn a New Language](https://marlvel.ai/apps/verbi-learn-a-new-language) | 4.3/5 | n/a | ACADIA LABS INC. | ## Company Profile - **Developer:** Centum Studios Ltd - **Website:** [https://sqlcasefiles.com/](https://sqlcasefiles.com/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/learn-sql-sql-case-files/id6799281777?uo=4) - **Dev Site:** [Official Website](https://sqlcasefiles.com/) - **Sources:** Developer website content, About us / company information, App store metadata. ## Related Intel Reports - [*Catbus Student*](https://marlvel.ai/apps/catbus-student) (Cohota Join Stock Company) · 4.3/5 Rating - [*Money Matrix (CAD)*](https://marlvel.ai/apps/money-matrix-cad) (Blooming Kids Software LLC) · 5.0/5 Rating - [*Quran Treasure Island for Kids*](https://marlvel.ai/apps/quran-treasure-island-for-kids) (Akeela Manekia) · 4.9/5 Rating - [*Valencia College - MyVC*](https://marlvel.ai/apps/valencia-college-myvc) (Valencia College) · 5.0/5 Rating - [*Verbi: Learn a New Language*](https://marlvel.ai/apps/verbi-learn-a-new-language) (ACADIA LABS INC.) · 4.3/5 Rating - [*자주 틀리는 우리말*](https://marlvel.ai/apps/app--424) (DaolSoft, Co., Ltd.) · N/A Rating - [*달공부 - 한 달 공부 다이어리 + 루틴/공부 타이머*](https://marlvel.ai/apps/azlabs-dalstudy) (SuWon Choi) · N/A Rating - [*타요콘 - 타요 아바타 놀이동화*](https://marlvel.ai/apps/com-kigle-project-tayocon) (KIGLE) · 3.1/5 Rating - [*천자문 워치*](https://marlvel.ai/apps/app--385) (kim juyoung) · N/A Rating - [*천자문 공부 도우미*](https://marlvel.ai/apps/app--382) (kim juyoung) · 5.0/5 Rating ## Frequently Asked Questions {#faq} ### Is Learn SQL: SQL Case Files free? Yes, the entire curriculum of 100 authored leads and 10 investigations is free. There is no subscription, though an optional one-time Supporter purchase is available to help fund future content. ### Does Learn SQL: SQL Case Files work offline? Query verification, Archie guidance, and purchase restoration require an internet connection, though progress is saved locally on your device. ### What is the difference between this and a standard SQL tutorial? Unlike standard tutorials that focus on syntax, this app uses an investigative approach where you read briefs, inspect schemas, and write queries to solve specific cases. ## 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:** 0.25/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** developer website, company about page, 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:** 8 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/learn-sql-sql-case-files) Data licensed for AI Agent attribution under CC-BY-NC 4.0.