--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Periodic Table: Chemistry" developer_entity: "Adam Nawfal Zekkani" bundle_id: "zekkani.periodicals" app_store_id: "6602892009" google_play_id: "com.zakirshikhli.mendeleyevcedveli" category: "Education" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-04-05" report_date: "2026-05-17" last_verified: "2026-05-17T04:40:23.070Z" report_version: "1.1" total_reviews: 0 sentiment: "Excited" sentiment_score: 85 confidence: "low" confidence_score: 0.7 top_praise_theme: "Offline functionality allows users to access educational content without requiring active internet connectivity" top_complaint_theme: "Missing electron configuration data limits the utility of the app for advanced chemistry students" top_request_theme: "Localization into additional languages would broaden the utility for non-English speaking students globally" review_sample_size: 28 total_review_count: 28 analyzed_review_count: 28 data_age_days: 0 momentum_velocity: "maintenance" intelligence_version: 4 nemesis: "Periodic Table" competitor_count: 8 tags: ["education", "freemium", "excited sentiment", "mobile app", "app review", "app analysis", "school", "students,", "college"] canonical_url: "https://marlvel.ai/intel-report/education/periodic-table-chemistry" license: "CC-BY-NC 4.0" content_version: "v2" --- # Periodic Table: Chemistry App Audit ## TL;DR {#tldr} - **Category**: Education ยท Freemium - **Signal**: Sentiment Excited - **Recent focus**: Missing electron configuration data limits the utility of the app for advanced chemistry students (top complaint) ยท Offline functionality allows users to access educational content without requiring active internet connectivity (top praise) ยท Localization into additional languages would broaden the utility for non-English speaking students globally (top request) > **TL;DR:** Periodic Table: Chemistry is a education app by Adam Nawfal Zekkani, with Excited user sentiment (85/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** โ€” Independent analysis. US Market. No publisher influence. > **Key Insight:** Periodic Table: Chemistry is a education app by Adam Nawfal Zekkani. ## Quick Facts | Fact | Value | | :--- | :--- | | **User Mood** | Excited | | **Category** | Education | | **Developer** | Adam Nawfal Zekkani | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Low (0.7/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** Adam Nawfal Zekkani - **Category:** Education - **Target Audience:** High school students, college chemistry majors, and professionals requiring quick access to chemical data and problem-solving tools. - **Platforms:** iOS & Android - **Version Audited:** 1.1 - **Audit Date:** 2026-05-17 - **Signal Count:** 28 reviews analyzed - **Confidence:** Low (0.7/1.0) - **App Store ID (iOS):** 6602892009 - **Bundle ID:** zekkani.periodicals - **Google Play ID:** com.zakirshikhli.mendeleyevcedveli - **Performance Trend:** Mixed - **Data Window:** Analysis based on signals collected up to 2026-05-17 ## Executive Snapshot **What it is:** Periodic Table: Chemistry is an educational reference app for students and professionals, offering an interactive periodic table and AI-driven problem solving on iOS and Android. **Why users hire it:** Users hire the app for instant, offline-accessible chemical data and homework assistance, removing the need for physical textbooks or unreliable web searches. ## App DNA (Features & Intent) - **[Differentiator] PTBot AI Assistant:** 24/7 chemistry tutor and calculator providing step-by-step guidance for equations and concepts * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Interactive Periodic Table:** Visual element profiles with properties, trends, and real-world applications * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] WatchOS Support:** Companion app functionality for Apple Watch users ## Market Position {#market-position} The app occupies a niche reference space in the Education category, but lacks the review volume of institutional rivals like the Royal Society of Chemistry app. The split-platform pricing model creates a barrier to consistent brand growth across the user base. ## Monetization Strategy - **Model:** Freemium - **Tiers:** iOS: $1.99 one-time purchase, Android: Free (ad-free) - **Price:** iOS: $1.99 - **Analysis:** Monetization is split by platform, utilizing a $1.99 upfront cost on iOS while maintaining a free, ad-free utility model on Android. ## ๐ŸŸข User Sentiment (Low Confidence: 28 of 28 reviews analyzed) {#user-sentiment} - **Overall Sentiment:** Excited ### Top Praises - **Offline functionality allows users to access educational content without requiring active internet connectivity** - **Simple and informative interface design makes complex chemical data accessible for students and learners** ### Top Complaints (Impact Areas) - **Missing electron configuration data limits the utility of the app for advanced chemistry students** ### Top Requests (What Users Want) - **Localization into additional languages would broaden the utility for non-English speaking students globally** ## SWOT Analysis {#swot} **Core Strengths:** - Offline-first architecture ensures reliability in classroom environments - AI-driven PTBot provides immediate value for homework-heavy student segments - WatchOS support increases engagement frequency for mobile-first users **Critical Frictions:** - $1.99 iOS price point creates a barrier compared to free Android alternatives - Missing electron configuration data restricts utility for advanced chemistry majors - Low review volume limits social proof for new users **Growth Levers:** - Localization into Hindi and Russian would capture high-intent international exam-prep users - Adding equation-balancing tools would neutralize Zperiod's primary advantage - Education partnerships could serve as a B2B distribution channel **Market Threats:** - Royal Society of Chemistry's official app maintains superior institutional trust - Zperiod's rapid feature-update cadence threatens to drain the student-user funnel - Lack of advanced technical data drives power users to specialized academic tools ## Recent Changes (v3 โ†’ v4) {#recent-changes} The product strategy pivoted from pricing-focused administrative changes to technical feature development based on newly available user sentiment data. **Overall trend**: Mixed **Compared at**: 2026-05-17 ### High-impact changes - **[Added] Electron Configuration Data Gap** (features) โ€” User feedback identified the absence of electron configuration data as a primary limitation, shifting it from an unlisted gap to a high-priority development item. - **[Shifted] PM Action Item Priority** (positioning) โ€” Priorities shifted from unifying the pricing model to addressing technical data depth and internationalization. ### Medium-impact changes - **[Added] Sentiment Data Integration** (sentiment) โ€” Sentiment analysis transitioned from null to active, revealing a positive overall score of 85 and specific user praise for offline functionality. - **[Added] Internationalization Opportunity** (swot) โ€” Opportunities now include Hindi and Russian localization to capture international exam-prep users, based on specific user requests. ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### Periodic Table: Chemistry vs Periodic Table โ€” Head to Head - **[Periodic Table](https://marlvel.ai/intel-report/education/periodic-table-1)** by Royal Society of Chemistry: As the official app from the Royal Society of Chemistry, this is the primary authority in the space, directly competing for the same student and professional user base seeking reliable chemical data. - **Key differences:** - Leverages institutional authority and brand trust from the Royal Society of Chemistry for academic credibility - Provides a comprehensive multimedia content library that offers deeper historical and scientific context than standard apps - Features an interactive temperature slider that visualizes state changes across elements in real-time - **Where Periodic Table: Chemistry wins:** - โœ… Offers a modern AI chemistry assistant for instant, personalized answers to complex student queries - โœ… Provides a more contemporary UI/UX design compared to the legacy-feeling interface of the RSC app - **Where Periodic Table wins:** - โŒ Maintains a massive, established user base and high review volume that signals long-term reliability - โŒ Includes high-quality, curated multimedia assets that are difficult for smaller developers to replicate - **Verdict:** The target app should lean into its AI-driven personalization to capture users who find the RSC app's static, academic-heavy content too rigid for modern study habits. ### Contenders (Strong Challengers) - **[Astronomy Observer](https://marlvel.ai/intel-report/reference/astronomy-observer)** by ้›ชๅนณ ็Ž‹: This app targets the same 'science enthusiast' demographic, competing for screen time by offering high-utility reference tools for complex scientific data. - Implements AR celestial mapping to provide an immersive, real-world context that static chemistry apps lack - Includes advanced ephemeris calculation tools that appeal to users requiring precise, data-heavy scientific reference materials - **[HeartVision](https://marlvel.ai/intel-report/medical/heartvision)** by Usama Nasir: While focused on medical visualization, this app competes for the same high-intent educational audience that values interactive 3D modeling and visual learning tools. - Utilizes high-fidelity 3D heart models that provide superior spatial understanding compared to 2D periodic tables - Features looped video content that simplifies complex biological processes for better student retention ### Peers (What They Do Better) - **[HemeQuiz1](https://marlvel.ai/intel-report/medical/com-hematologyoutlines-hemequiz1)** by Hooman Rashidi: This app competes for the same 'exam prep' use case, focusing on high-quality assessment tools for specialized scientific fields. - Features an expert-edited question bank that provides high-stakes accuracy for professional board exam preparation - Integrates with Game Center to provide a competitive leaderboard experience for serious academic study - **[120,000 Medical Dictionary](https://marlvel.ai/intel-report/reference/120-000-medical-dictionary)** by Sand Apps Inc.: This is a direct reference-tool competitor that serves the same academic audience needing quick access to specialized terminology. - Provides a massive, specialized terminology database that serves as a comprehensive quick-reference for medical students - Includes integrated social sharing features that allow students to collaborate and export study materials easily - **[Tako Octo's Deep Sea Adventure](https://marlvel.ai/intel-report/education/tako-octo-s-deep-sea-adventure)** by Almega Brainware LLC: This app competes for the attention of younger students in the education category by gamifying the learning experience. - Uses multi-player progress tracking to foster social learning and competition among younger student cohorts - Offers a certification-based reward system that gamifies the educational journey to increase user retention - **[LabQuest Viewer](https://marlvel.ai/intel-report/education/labquest-viewer)** by Vernier Software & Technology: This app shares the education category and targets the classroom environment, focusing on the practical application of scientific data. - Enables remote monitoring of laboratory equipment, bridging the gap between digital learning and physical experiments - Provides classroom projection capabilities that make it a staple for teachers rather than individual students ### New Kids on the Block (What's Innovative) - **[Zperiod - Periodic Table](https://marlvel.ai/intel-report/education/com-mitre88-zperiod)** by Alejandro Hernandez Mitre: A direct functional competitor that has entered the market with aggressive feature updates specifically targeting the chemistry student workflow. - Includes a built-in chemical equation balancer and worksheet generator that directly solves common student pain points ## What's New - **Latest (v9.1.240, 1 months ago):** Minor content updates and bug fixes. - **Last Major (v1.1, 11 months ago):** Introduced Element of the Day, expanded chemistry resources, and added support for Widgets and watchOS. ## App Momentum (Maintenance) {#momentum} - Shipped Element of the Day feature. - Integrated WatchOS support for mobile-first users. - Expanded element information database. > **Cadence:** 2 total versions ยท 1 majors in last 6 months ยท 36 days since last update ยท 313 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Periodic Table: Chemistry is a market-leading education app that is free with in-app purchases. > **Bottom Line:** The app succeeds as a simple, offline reference tool, but the lack of advanced academic data and fragmented pricing limits its growth, so the PM should prioritize technical data depth to compete with institutional rivals. **Best for:** High school students, college chemistry majors, and professionals requiring quick access to chemical data and problem-solving tools. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] [HIGH IMPACT] Ship electron configuration data because it is the top-requested missing feature โ†’ increase utility for advanced students โ€” *User complaints explicitly identify missing electron configuration as a limitation for advanced chemistry study.* _(trade-off: deprioritize Push the WatchOS UI polish sprint to Q4 โ€” current WatchOS usage is lower priority than core academic data.)_ - [ ] [PIVOT] [MEDIUM IMPACT] Localize into Hindi and Russian because requests for these languages are linked to exam prep โ†’ capture international market share โ€” *Sentiment analysis identifies Hindi and Russian as top requests for competitive exam preparation.* _(trade-off: deprioritize Pause the Element of the Day content expansion โ€” localization has higher immediate conversion potential.)_ ### Feature Gaps vs Competitors - Electron configuration data (available in academic reference tools but missing here) - Chemical equation balancer (available in Zperiod but missing here) ### Outlook: Stable The educational reference market is consolidating around apps that provide both data and active problem-solving tools. Periodic Table: Chemistry is well-positioned to capture this shift if it closes the technical data gap, but it remains exposed to institutional rivals that offer higher academic credibility. - ๐ŸŸข The latest release added Element of the Day, showing active feature investment rather than maintenance mode. - ๐Ÿ”ด Missing electron configuration data drives advanced users to competitors, which compounds the risk of churn to academic-focused apps. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Sentiment | Excited (85/100) | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Mixed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Periodic Table: Chemistry** (this app) | N/A/5 | Excited | Adam Nawfal Zekkani | | [HemeQuiz1](https://marlvel.ai/intel-report/medical/com-hematologyoutlines-hemequiz1) | 5.0/5 | N/A | Hooman Rashidi | | [Zperiod - Periodic Table](https://marlvel.ai/intel-report/education/com-mitre88-zperiod) | N/A/5 | N/A | Alejandro Hernandez Mitre | | [Astronomy Observer](https://marlvel.ai/intel-report/reference/astronomy-observer) | 4.6/5 | Upset | ้›ชๅนณ ็Ž‹ | | [LabQuest Viewer](https://marlvel.ai/intel-report/education/labquest-viewer) | 5.0/5 | N/A | Vernier Software & Technology | | [120,000 Medical Dictionary](https://marlvel.ai/intel-report/reference/120-000-medical-dictionary) | 3.0/5 | N/A | Sand Apps Inc. | ## Company Profile - **Developer:** Adam Nawfal Zekkani - **Website:** [https://business.azekkani.com](https://business.azekkani.com) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/periodic-table-chemistry/id6602892009?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.zakirshikhli.mendeleyevcedveli&hl=en&gl=us) - **Dev Site:** [Official Website](https://business.azekkani.com) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*HemeQuiz1*](https://marlvel.ai/intel-report/medical/com-hematologyoutlines-hemequiz1) (Hooman Rashidi) โ€” 5.0/5 Rating | N/A Sentiment - [*Zperiod - Periodic Table*](https://marlvel.ai/intel-report/education/com-mitre88-zperiod) (Alejandro Hernandez Mitre) โ€” N/A Rating | N/A Sentiment - [*Astronomy Observer*](https://marlvel.ai/intel-report/reference/astronomy-observer) (้›ชๅนณ ็Ž‹) โ€” 4.6/5 Rating | Terrible Sentiment - [*LabQuest Viewer*](https://marlvel.ai/intel-report/education/labquest-viewer) (Vernier Software & Technology) โ€” 5.0/5 Rating | N/A Sentiment - [*120,000 Medical Dictionary*](https://marlvel.ai/intel-report/reference/120-000-medical-dictionary) (Sand Apps Inc.) โ€” 3.0/5 Rating | N/A Sentiment - [*HeartVision*](https://marlvel.ai/intel-report/medical/heartvision) (Usama Nasir) โ€” 5.0/5 Rating | N/A Sentiment - [*Periodic Table*](https://marlvel.ai/intel-report/education/periodic-table-1) (Royal Society of Chemistry) โ€” 4.3/5 Rating | Mixed Sentiment - [*Tako Octo's Deep Sea Adventure*](https://marlvel.ai/intel-report/education/tako-octo-s-deep-sea-adventure) (Almega Brainware LLC) โ€” 4.6/5 Rating | Excellent Sentiment - [*AlgoApp - Flashcards*](https://marlvel.ai/intel-report/education/algoapp-flashcards) (AlgoApp Inc) โ€” 4.6/5 Rating | Negative Sentiment - [*Flash Cards Flashcards Maker*](https://marlvel.ai/intel-report/education/flash-cards-flashcards-maker) (Infinite Wave Media, LLC) โ€” 4.0/5 Rating | Positive Sentiment ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** โ€” 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** โ€” 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** โ€” Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction and evidence quoting. 4. **Competitive Landscape Analysis** โ€” 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** โ€” 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:** 0.7/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 28 - **Data Sources:** user reviews, 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:** 0 days since last refresh --- ยฉ 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/education/periodic-table-chemistry) Data licensed for AI Agent attribution under CC-BY-NC 4.0.