--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Compatibility: Vitamin" developer_entity: "Ivan Akimov" bundle_id: "com.compatibility" app_store_id: "6471350845" category: "Health & Fitness" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-03-05" report_date: "2026-10-09" last_verified: "2026-10-09T00:00:00.000Z" report_version: "2.1.0" total_reviews: 116 overall_rating: 3 sentiment: "Frustrated" sentiment_score: 35 confidence: "low" confidence_score: 0.35 top_praise_theme: "The simple interface allows users to quickly select supplements and generate a structured intake schedule" top_complaint_theme: "The limited supplement database prevents users from adding custom vitamins or complex multivitamin products" review_sample_size: 17 total_review_count: 17 analyzed_review_count: 17 data_age_days: 36 momentum_velocity: "zombie" intelligence_version: 2 tags: ["health & fitness", "freemium", "frustrated sentiment", "mobile app", "app review", "app analysis", "individuals", "managing", "complex"] canonical_url: "https://marlvel.ai/apps/compatibility-vitamin" license: "CC-BY-NC 4.0" content_version: "v2" --- ## ⚠ Content Warning This report covers topics classified as sensitive (health). Information is aggregated from public sources for informational purposes only. This is not medical advice. Consult a qualified professional before acting on any information here. --- # Compatibility: Vitamin Intelligence Report ## TL;DR {#tldr} - **Category**: Health & Fitness · Freemium - **Signal**: Rating 2.95 · Sentiment Frustrated - **Recent focus**: The limited supplement database prevents users from adding custom vitamins or complex multivitamin products (top complaint) · The simple interface allows users to quickly select supplements and generate a structured intake schedule (top praise) > **TL;DR:** Compatibility: Vitamin is a health & fitness app by Ivan Akimov, rated 2.95/5 by 116 users, with Frustrated user sentiment (35/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Compatibility: Vitamin faces Frustrated user sentiment (2.95/5 from 116 reviews), with users reporting the limited supplement database prevents users from adding custom vitamins or complex multivitamin products as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 2.95/5 (116 reviews) | | **User Mood** | Frustrated | | **Category** | Health & Fitness | | **Developer** | Ivan Akimov | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Low (0.35/1.0) | | **Data Age** | 36d | ## Metadata & Market Performance - **Publisher:** Ivan Akimov - **Category:** Health & Fitness - **Target Audience:** Individuals managing complex dietary supplement regimens who require assistance with scheduling and nutrient interaction management. - **Platforms:** iOS & Android - **Version Reviewed:** 2.1.0 - **Report Date:** 2026-10-09 - **Signal Count:** 17 reviews analyzed - **Confidence:** Low (0.35/1.0) - **App Store ID (iOS):** 6471350845 - **Bundle ID:** com.compatibility - **Google Play ID:** com.compatibility - **Data Window:** Analysis based on signals collected up to 2026-10-09 ## Executive Snapshot **What it is:** Compatibility: Vitamin is a health utility app that generates supplement intake schedules based on nutrient compatibility for iOS and Android users. **Why users hire it:** The app removes the cognitive friction of managing complex supplement interactions, which users previously tracked manually or via spreadsheets. ## App DNA (Features & Intent) - **[Differentiator] Personalized Intake Schedule:** Generates a supplement timetable based on individual vitamin and mineral compatibility and antagonism. * *User Intent:* Users value self-expression and personalized experiences. - **[Differentiator] Absorption Optimization:** Groups compatible nutrients into single intake windows to improve bioavailability. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Intake Statistics:** Tracks supplement consumption history via a dedicated dashboard. * *User Intent:* Users want visibility into their own performance and progress. ## Market Position {#market-position} Compatibility: Vitamin maintains a niche position as a free health utility, though its 2.8-star rating on Android suggests significant friction compared to its 4.0-star iOS performance. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with full feature access, In-app purchases available - **Analysis:** Freemium model utilizing in-app purchases to monetize a utility-focused health tool. ## 🔴 User Sentiment (Low Confidence: 17 of 17 reviews analyzed) {#user-sentiment} - **Overall Rating:** 2.95/5 - **Platform Split:** iOS 4.0/5 (12 ratings) | Android 2.8/5 (104 ratings) - **Overall Sentiment:** Frustrated ### Top Praises - **The simple interface allows users to quickly select supplements and generate a structured intake schedule** - **The newly added statistics and tracking features provide a clear overview of daily supplement intake** ### Top Complaints (Impact Areas) - **The limited supplement database prevents users from adding custom vitamins or complex multivitamin products** ## SWOT Analysis {#swot} **Core Strengths:** - Intuitive interface reduces scheduling friction - Statistics dashboard builds personal health history **Growth Levers:** - Add manual supplement entry to capture power users - Implement push-notification reminders to boost retention ## What's New - **Latest (v2.1.0, 7 months ago):** Introduced a Statistics section for supplement tracking, intake confirmation functionality, and home screen widgets for schedule management. ## App Momentum (Zombie) {#momentum} - Shipped statistics and widget features - Dormant for 7 months > **Cadence:** 1 total versions · 1 majors in last 6 months · 218 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Compatibility: Vitamin is a health & fitness app that is free with in-app purchases. With a 2.95/5 rating from 116 reviews, it faces significant user friction. > **Bottom Line:** Correcting the reported data inaccuracies is the primary requirement to restore user trust, as the current reputation for false information threatens the app's viability as a health tool. **Best for:** Individuals managing complex dietary supplement regimens who require assistance with scheduling and nutrient interaction management. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Audit and correct nutrient interaction database because users report scientifically inaccurate information → restore user trust ### Outlook: Declining Users report: The health utility market is moving toward personalized, data-rich tracking, leaving Compatibility: Vitamin exposed due to its static, inaccurate database. Without a return to active development, the app will likely continue to lose users to more responsive, community-updated alternatives. - 🔴 The 7-month update gap indicates the app is in maintenance mode, leaving critical user-reported data inaccuracies unaddressed. - 🔴 High-frequency complaints regarding the restrictive supplement database suggest the product is failing to meet the needs of its core power-user segment. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 2.95/5 | | Total Reviews | 116 | | Sentiment | Frustrated (35/100) | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Compatibility: Vitamin** (this app) | 2.95/5 | Frustrated | Ivan Akimov | | [Mind - Méditations guidées](https://marlvel.ai/apps/mind-m-ditations-guid-es) | 4.6/5 | Excited | MIND AND CIE | | [Caspar Health](https://marlvel.ai/apps/caspar-health) | 3.6/5 | Mixed | GOREHA GmbH | | [evolum - Meditation & Yoga](https://marlvel.ai/apps/evolum-meditation-yoga) | 4.7/5 | Excited | Rodger Studio (Apps) | | [FAMHLTH: Family Health Tracker](https://marlvel.ai/apps/famhlth-family-health-tracker) | N/A/5 | N/A | Quinton Nixon | | [GoTall - Height Predictor](https://marlvel.ai/apps/gotall-height-predictor) | 4.6/5 | Mixed | Grow Labs LLC | ## Company Profile - **Developer:** Ivan Akimov ## Data Sources & Links - **App Store ID:** 6471350845 - **Google Play ID:** com.compatibility - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*Mind - Méditations guidées*](https://marlvel.ai/apps/mind-m-ditations-guid-es) (MIND AND CIE) · 4.6/5 Rating | Positive Sentiment - [*Caspar Health*](https://marlvel.ai/apps/caspar-health) (GOREHA GmbH) · 3.6/5 Rating - [*evolum - Meditation & Yoga*](https://marlvel.ai/apps/evolum-meditation-yoga) (Rodger Studio (Apps)) · 4.7/5 Rating | Positive Sentiment - [*FAMHLTH: Family Health Tracker*](https://marlvel.ai/apps/famhlth-family-health-tracker) (Quinton Nixon) · N/A Rating - [*GoTall - Height Predictor*](https://marlvel.ai/apps/gotall-height-predictor) (Grow Labs LLC) · 4.6/5 Rating - [*Lunara: Cycle, Symptom Tracker*](https://marlvel.ai/apps/lunara-cycle-symptom-tracker) (Fuzhou Jiku Technology Co., Ltd.) · N/A Rating - [*Medical Kundali Match Health*](https://marlvel.ai/apps/medical-kundali-match-health) (Medical Match Pvt Ltd) · N/A Rating - [*Ovulation Predictor*](https://marlvel.ai/apps/ovulation-predictor) (RAHI PATEL) · 1.0/5 Rating - [*QUITTR - Break Free Now*](https://marlvel.ai/apps/com-vnm-i-give-up) (Quittr, LLC) · 4.7/5 Rating - [*Revu: Custom Skincare Analysis*](https://marlvel.ai/apps/revu-custom-skincare-analysis) (Joshua Roberts) · 5.0/5 Rating ## 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:** 0.35/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 17 - **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:** 36 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/compatibility-vitamin) Data licensed for AI Agent attribution under CC-BY-NC 4.0.