--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Blood Test result management" developer_entity: "YUTAKA IZUMIYAMA" bundle_id: "tokyo.yuz.ibloodtest" app_store_id: "6504120378" category: "Health & Fitness" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-06-04" report_date: "2026-08-21" last_verified: "2026-08-21T00:00:00.000Z" report_version: "26.6.16" total_reviews: 2 overall_rating: 4 sentiment: "Mixed" sentiment_score: 50 confidence: "medium" confidence_score: 0.45 top_praise_theme: "The visual layout and output design meet user expectations for tracking long-term blood lab results" top_complaint_theme: "Lack of data import functionality for spreadsheet files prevents users from migrating historical medical records" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 85 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["health & fitness", "free", "mixed sentiment", "mobile app", "app review", "app analysis", "individuals", "managing", "personal"] canonical_url: "https://marlvel.ai/apps/blood-test-result-management" 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. --- # Blood Test result management Intelligence Report ## TL;DR {#tldr} - **Category**: Health & Fitness · Free - **Signal**: Rating 4 · Sentiment Mixed - **Recent focus**: Lack of data import functionality for spreadsheet files prevents users from migrating historical medical records (top complaint) · The visual layout and output design meet user expectations for tracking long-term blood lab results (top praise) > **TL;DR:** Blood Test result management is a health & fitness app by YUTAKA IZUMIYAMA, rated 4/5 by 2 users, with Mixed user sentiment (50/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Blood Test result management shows Mixed sentiment (4/5 from 2 reviews) - users praise the visual layout and output design meet user expectations for tracking long-term blood lab results but report issues with lack of data import functionality for spreadsheet files prevents users from migrating historical medical records. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4/5 (2 reviews) | | **User Mood** | Mixed | | **Category** | Health & Fitness | | **Developer** | YUTAKA IZUMIYAMA | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Medium (0.45/1.0) | | **Data Age** | 85d | ## Metadata & Market Performance - **Publisher:** YUTAKA IZUMIYAMA - **Category:** Health & Fitness - **Target Audience:** Individuals managing personal or family health records who require manual tracking and visualization of blood test results. - **Platforms:** iOS - **Version Reviewed:** 26.6.16 - **Report Date:** 2026-08-21 - **Signal Count:** 1 review analyzed - **Confidence:** Medium (0.45/1.0) - **App Store ID (iOS):** 6504120378 - **Bundle ID:** tokyo.yuz.ibloodtest - **Performance Trend:** Improving - **Data Window:** Analysis based on signals collected up to 2026-08-21 ## Executive Snapshot **What it is:** Blood Test result management is a health-tracking utility for manual entry and visualization of blood test results on iOS. **Why users hire it:** Users track lab results manually to monitor health trends over time, replacing paper-based records or fragmented spreadsheet logs. ## App DNA (Features & Intent) - **[Basic] Blood Test Data Recording:** Manual entry of results with date and memo fields. - **[Differentiator] Multi-User Support:** Separate profiles for family health management. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Line Chart Visualization:** Displays blood test values over time using full-period or annual line charts. ## Market Position {#market-position} Blood Test result management occupies a niche as a free, manual-entry health utility. With a 4-star rating across 2 reviews, the app serves a small, specific user base that prioritizes local data control over automated health-platform integration. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is distributed as a free utility with no visible monetization gates or subscription tiers. ## 🟡 User Sentiment (Medium Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Rating:** 4/5 - **Platform Split:** iOS 4.0/5 (2 ratings) - **Overall Sentiment:** Mixed ### Top Praises - **The visual layout and output design meet user expectations for tracking long-term blood lab results** ### Top Complaints (Impact Areas) - **Lack of data import functionality for spreadsheet files prevents users from migrating historical medical records** ## SWOT Analysis {#swot} **Core Strengths:** - Multi-user profile support enables family-wide health tracking within a single interface - PDF export functionality facilitates medical record sharing for physician review **Growth Levers:** - Cloud-sync integration would solve the primary data-persistence concern cited by users - CSV import capability would lower the barrier for users migrating from spreadsheets ## Recent Changes (v2 → v3) {#recent-changes} The product roadmap shifted from passive maintenance to active investment in data persistence and migration tools. These changes prioritize user retention by addressing the primary friction points of device migration and historical data entry. **Overall trend**: Improving **Compared at**: 2026-08-21 ### High-impact changes - **[Shifted] Privacy-Focused Positioning** (positioning) - **[Added] iCloud Backup Investment** (pmActionItems) ### Medium-impact changes - **[Added] PDF Export as Strength** (swot) ## What's New - **Latest (v26.6.16, 2 months ago):** Updated the application screen interface. ## App Momentum (Maintenance) {#momentum} - Ships minor updates at ~11-week cadence. - No new feature builds last 3 months. > **Cadence:** 1 total versions · 0 majors in last 6 months · 77 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Blood Test result management is a health & fitness app that is completely free. It holds a 4/5 rating from 2 reviews. > **Bottom Line:** Blood Test result management provides core tracking utility, but the lack of data migration and cloud persistence limits its long-term value. Implementing automated import and sync would address the primary churn drivers identified in user feedback. **Best for:** Individuals managing personal or family health records who require manual tracking and visualization of blood test results. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship CSV import because manual entry is the top-cited barrier to historical record migration → increase new-user retention ### Outlook: Stable Users report: The health-tracking market is shifting toward automated laboratory data ingestion, which threatens manual-entry utilities. Blood Test result management remains stable but exposed, as the lack of data-migration tools prevents it from becoming the primary repository for users with extensive medical histories. - 🔴 The lack of data import functionality prevents users from migrating historical medical records, which limits the app's utility for long-term health tracking. - 🔴 Maintenance-mode development cadence leaves the app vulnerable to competitors that offer automated laboratory data synchronization. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4/5 | | Total Reviews | 2 | | Sentiment | Mixed (50/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Improving | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Blood Test result management** (this app) | 4/5 | Mixed | YUTAKA IZUMIYAMA | | [GoTall - Height Predictor](https://marlvel.ai/apps/gotall-height-predictor) | 4.6/5 | n/a | Grow Labs LLC | | [Mind - Méditations guidées](https://marlvel.ai/apps/mind-m-ditations-guid-es) | 4.6/5 | Excited | MIND AND CIE | | [Strava: Run, Bike, Walk](https://marlvel.ai/apps/strava-run-bike-walk) | 4.7/5 | n/a | Strava, Inc. | | [Taller AI: Height Maximizer](https://marlvel.ai/apps/taller-ai-height-maximizer) | 4.7/5 | Excited | Leadimize | | [TallerTeen - Grow Taller Now](https://marlvel.ai/apps/tallerteen-grow-taller-now) | 4.7/5 | n/a | Viral App Developement LLC | ## Company Profile - **Developer:** YUTAKA IZUMIYAMA - **Website:** [https://z-wg.com/blood-test/](https://z-wg.com/blood-test/) ## Data Sources & Links - **App Store ID:** 6504120378 - **Dev Site:** [Official Website](https://z-wg.com/blood-test/) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*GoTall - Height Predictor*](https://marlvel.ai/apps/gotall-height-predictor) (Grow Labs LLC) · 4.6/5 Rating - [*Mind - Méditations guidées*](https://marlvel.ai/apps/mind-m-ditations-guid-es) (MIND AND CIE) · 4.6/5 Rating | Positive Sentiment - [*Strava: Run, Bike, Walk*](https://marlvel.ai/apps/strava-run-bike-walk) (Strava, Inc.) · 4.7/5 Rating - [*Taller AI: Height Maximizer*](https://marlvel.ai/apps/taller-ai-height-maximizer) (Leadimize) · 4.7/5 Rating | Positive Sentiment - [*TallerTeen - Grow Taller Now*](https://marlvel.ai/apps/tallerteen-grow-taller-now) (Viral App Developement LLC) · 4.7/5 Rating - [*Activity Tracker・FitnessView*](https://marlvel.ai/apps/activity-tracker-fitnessview) (Funn Media, LLC) · 4.0/5 Rating - [*Avatran Soul*](https://marlvel.ai/apps/avatran-soul) (Avatran GmbH) · N/A Rating - [*Bubblic: Connect with people.*](https://marlvel.ai/apps/bubblic-connect-with-people) (Bubblic Inc.) · 4.6/5 Rating | Positive Sentiment - [*evolum - Meditation & Yoga*](https://marlvel.ai/apps/evolum-meditation-yoga) (Evolum) · 4.7/5 Rating | Positive Sentiment - [*Holoholo: Daily Memories*](https://marlvel.ai/apps/holoholo-daily-memories) (For Pedestrians LLC.) · 4.4/5 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:** 0.45/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1 - **Data Sources:** user reviews, developer website, 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:** 85 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/blood-test-result-management) Data licensed for AI Agent attribution under CC-BY-NC 4.0.