--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Chemical Formulas Quiz" developer_entity: "Marijn Dillen" bundle_id: "marijndillen.ChemicalFormulasQuiz" app_store_id: "1338676361" category: "Education" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2025-12-27" report_date: "2026-09-03" last_verified: "2026-09-03T00:00:00.000Z" report_version: "1.42" total_reviews: 6 overall_rating: 4.3 confidence: "low" confidence_score: 0.05 data_age_days: 27 momentum_velocity: "zombie" intelligence_version: 3 tags: ["education", "free", "mobile app", "app review", "app analysis", "secondary", "education", "students"] canonical_url: "https://marlvel.ai/apps/chemical-formulas-quiz" license: "CC-BY-NC 4.0" content_version: "v2" --- # Chemical Formulas Quiz Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Free - **Signal**: Rating 4.33 > **TL;DR:** Chemical Formulas Quiz is a education app by Marijn Dillen, rated 4.33/5 by 6 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Chemical Formulas Quiz is a education app by Marijn Dillen. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.33/5 (6 reviews) | | **Category** | Education | | **Developer** | Marijn Dillen | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 27d | ## Metadata & Market Performance - **Publisher:** Marijn Dillen - **Category:** Education - **Target Audience:** Secondary education students requiring practice with chemical nomenclature and formulas. - **Platforms:** iOS - **Version Reviewed:** 1.42 - **Report Date:** 2026-09-03 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 1338676361 - **Bundle ID:** marijndillen.ChemicalFormulasQuiz - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-09-03 ## Executive Snapshot **What it is:** Chemical Formulas Quiz is an educational app for iOS that provides multiple-choice quizzes on chemical formulas and nomenclature for high school students. **Why users hire it:** The app removes the cognitive friction of memorizing both systematic and common chemical names by providing them in a single, accessible quiz format. ## App DNA (Features & Intent) - **[Standard] Multiple Choice Quizzes:** Interactive testing on chemical formulas and ions, driving session frequency and ad-impression inventory. - **[Differentiator] Systematic and Trivial Naming:** Displays both IUPAC and common names, reinforcing category authority and long-term utility for students. - **[Differentiator] Multi-language Support:** Interface localized across 44 languages, expanding the global addressable market for ad-supported monetization. ## Market Position {#market-position} Chemical Formulas Quiz maintains a niche position in the education category with a 4.3-star rating across six total reviews. The lack of updates for 249 days signals a maintenance-only posture that limits its ability to compete for top-tier chart visibility. ## Monetization Strategy - **Model:** Free - **Tiers:** Free access to all quiz content - **Analysis:** The app operates as a free, ad-supported tool with no IAP or subscription gates, prioritizing user acquisition over direct revenue. ## SWOT Analysis {#swot} **Core Strengths:** - Dual-naming convention provides pedagogical utility **Growth Levers:** - 44-language localization targets global student segments ## Recent Changes (v2 → v3) {#recent-changes} The outlook trend has shifted from stable to declining, as the analysis now prioritizes the threat of gamified competitors over the app's previous status as a niche, ad-free utility. **Overall trend**: Declining **Compared at**: 2026-09-03 ### High-impact changes - **[Shifted] Competitive Stance Pivot** (positioning) - **[Declined] Outlook Trend Downgrade** (positioning) ### Medium-impact changes - **[Shifted] SWOT Re-prioritization** (swot) ## What's New - **Latest (v1.42, 8 months ago):** Updated for iOS 26 compatibility. ## App Momentum (Zombie) {#momentum} - Ships only platform compatibility updates. - Eight months without feature expansion. > **Cadence:** 1 total versions · 0 majors in last 6 months · 249 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Chemical Formulas Quiz is an education app that is completely free. It holds a 4.33/5 rating from 6 reviews. > **Bottom Line:** Chemical Formulas Quiz serves a narrow pedagogical need, but the lack of active development prevents it from capturing the broader education market. Implementing a progression loop would address the retention deficit, turning a static quiz into a daily habit for students. **Best for:** Secondary education students requiring practice with chemical nomenclature and formulas. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship a structured progression loop because the current quiz format lacks retention mechanics → increase daily active usage ### Outlook: Declining The education category is consolidating around apps that offer integrated learning paths and frequent content updates. Chemical Formulas Quiz remains in a static state, which will likely result in a loss of market share to more dynamic rivals that better serve the modern student's need for gamified study tools. - 🔴 The eight-month update gap signals a maintenance-only posture, which will likely lead to a decline in organic discovery as competitors iterate faster. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.33/5 | | Total Reviews | 6 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Chemical Formulas Quiz** (this app) | 4.33/5 | N/A | Marijn Dillen | | [AlgoApp - Flashcards](https://marlvel.ai/apps/algoapp-flashcards) | 4.5/5 | n/a | AlgoApp Inc | | [Elevate - Brain Training Games](https://marlvel.ai/apps/elevate-brain-training-games) | 4.7/5 | n/a | The Mind Company | | [Flashcards Deluxe](https://marlvel.ai/apps/flashcards-deluxe) | 4.5/5 | N/A | OrangeOrApple.com | | [Flash Cards Flashcards Maker](https://marlvel.ai/apps/flash-cards-flashcards-maker) | 4.0/5 | Mixed | Infinite Wave Media, LLC | | [Flashcards maker - AI generate](https://marlvel.ai/apps/flashcards-maker-ai-generate) | 4.1/5 | Mixed | Teleprompter LLC | ## Company Profile - **Developer:** Marijn Dillen - **Website:** [https://marijndillen.be/](https://marijndillen.be/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/chemical-formulas-quiz/id1338676361?uo=4) - **Dev Site:** [Official Website](https://marijndillen.be/) - **Sources:** App store metadata. ## Related Intel Reports - [*AlgoApp - Flashcards*](https://marlvel.ai/apps/algoapp-flashcards) (AlgoApp Inc) · 4.5/5 Rating - [*Elevate - Brain Training Games*](https://marlvel.ai/apps/elevate-brain-training-games) (The Mind Company) · 4.7/5 Rating - [*Flashcards Deluxe*](https://marlvel.ai/apps/flashcards-deluxe) (OrangeOrApple.com) · 4.5/5 Rating - [*Flash Cards Flashcards Maker*](https://marlvel.ai/apps/flash-cards-flashcards-maker) (Infinite Wave Media, LLC) · 4.0/5 Rating - [*Flashcards maker - AI generate*](https://marlvel.ai/apps/flashcards-maker-ai-generate) (Teleprompter LLC) · 4.1/5 Rating - [*Impulse - Brain Training*](https://marlvel.ai/apps/impulse-brain-training) (GMRD Apps Limited) · 4.6/5 Rating - [*Peak - Brain Training*](https://marlvel.ai/apps/peak-brain-training) (Synaptic Labs) · 4.7/5 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 ## Frequently Asked Questions {#faq} ### Is Chemical Formulas Quiz suitable for high school chemistry students? Yes, the app is specifically designed for secondary education students to practice inorganic and organic chemical nomenclature and formulas. ### Does Chemical Formulas Quiz require a subscription? No, the app is free and provides access to all quiz content without subscription gates or in-app purchases. ### Does the app provide both systematic and common names? Yes, Chemical Formulas Quiz displays both IUPAC systematic names and trivial common names to assist students in learning both naming conventions. ## 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:** 0.05/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 27 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/chemical-formulas-quiz) Data licensed for AI Agent attribution under CC-BY-NC 4.0.