## ⚠ 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. --- last_verified: "2026-06-21T22:11:05.951Z" --- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Blood Type Diet®" developer_entity: "D'Adamo Personalized Nutrition®" bundle_id: "2EUQ92MT46.com.4yourtype.btd" app_store_id: "379485721" category: "Health & Fitness" primary_platform: "ios" primary_monetization: "Paid" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2025-08-04" report_date: "2026-06-21" last_verified: "2026-06-21" report_version: "2.6.10" total_reviews: 194 overall_rating: 4.18 sentiment: "Mixed" sentiment_score: 55 confidence: "high" confidence_score: 0.7 top_praise_theme: "Convenient access to blood type food lists simplifies grocery shopping and meal planning routines" top_complaint_theme: "Inconsistent food list data between the application and the published reference books" top_request_theme: "Integration of wearable device support to reduce the need for carrying mobile phones" review_sample_size: 49 total_review_count: 49 analyzed_review_count: 49 data_age_days: 0 momentum_velocity: "maintenance" intelligence_version: 3 nemesis: "MyFitnessPal: Calorie Counter" competitor_count: 8 tags: ["health & fitness", "paid", "mixed sentiment", "mobile app", "app review", "app analysis", "followers", "blood", "require"] canonical_url: "https://marlvel.ai/apps/2euq92mt46-com-4yourtype-btd" license: "CC-BY-NC 4.0" content_version: "v2" --- # Blood Type Diet® App Audit ## TL;DR {#tldr} - **Category**: Health & Fitness · Paid - **Signal**: Rating 4.18 · Sentiment Mixed - **Recent focus**: Inconsistent food list data between the application and the published reference books (top complaint) · Convenient access to blood type food lists simplifies grocery shopping and meal planning routines (top praise) · Integration of wearable device support to reduce the need for carrying mobile phones (top request) > **TL;DR:** Blood Type Diet® is a health & fitness app by D'Adamo Personalized Nutrition®, rated 4.18/5 by 194 users, with Mixed user sentiment (55/100), available on iOS. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Blood Type Diet® shows Mixed sentiment (4.18/5 from 194 reviews) — users praise convenient access to blood type food lists simplifies grocery shopping and meal planning routines but report issues with inconsistent food list data between the application and the published reference books. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.18/5 (194 reviews) | | **User Mood** | Mixed | | **Category** | Health & Fitness | | **Developer** | D'Adamo Personalized Nutrition® | | **Pricing** | Paid | | **Platforms** | iOS | | **Confidence** | High (0.7/1.0) | | **Data Age** | 10d | ## Metadata & Market Performance - **Publisher:** D'Adamo Personalized Nutrition® - **Category:** Health & Fitness - **Target Audience:** Followers of the Blood Type Diet who require a portable, quick-reference tool for grocery shopping and meal planning. - **Platforms:** iOS - **Version Audited:** 2.6.10 - **Audit Date:** 2026-06-21 - **Signal Count:** 49 reviews analyzed - **Confidence:** High (0.7/1.0) - **App Store ID (iOS):** 379485721 - **Bundle ID:** 2EUQ92MT46.com.4yourtype.btd - **Performance Trend:** Mixed - **Data Window:** Analysis based on signals collected up to 2026-06-21 ## Executive Snapshot **What it is:** Blood Type Diet is a mobile reference tool for iOS that provides personalized food lists based on Dr. Peter D'Adamo's dietary methodology. **Why users hire it:** Users hire the app to reduce the cognitive load of dietary compliance while shopping or dining out, replacing physical book lookups with a digital, portable interface. ## App DNA (Features & Intent) - **[Differentiator] Blood Type Food Categorization:** Filters food lists into Beneficial, Neutral, and Avoid categories based on user-selected blood type and secretor status. * *User Intent:* Users want to quickly find relevant content or features. - **[Differentiator] Family Food List:** Aggregates common food items compatible with multiple blood types for shared household shopping. * *User Intent:* Users seek social connection and competitive engagement with peers. - **[Standard] Shopping List Management:** Allows users to build and email custom shopping lists directly from the app interface. * *User Intent:* Users value self-expression and personalized experiences. ## Market Position {#market-position} The app maintains a presence in the Paid Health & Fitness category across multiple international markets, with notable #7 rankings in Kenya and Uganda. The reliance on a one-time purchase model limits revenue velocity compared to subscription-based trackers in the same category. ## Monetization Strategy - **Model:** Paid - **Tiers:** One-time purchase at $3.99 - **Price:** iOS: $3.99 - **Analysis:** Paid model anchored at $3.99, positioning the app as a low-cost digital companion to the author's physical book series. ## 🟡 User Sentiment (High Confidence: 49 of 49 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.18/5 - **Platform Split:** iOS 4.2/5 (194 ratings) - **Overall Sentiment:** Mixed ### Top Praises - **Convenient access to blood type food lists simplifies grocery shopping and meal planning routines** ### Top Complaints (Impact Areas) - **Inconsistent food list data between the application and the published reference books** ### Top Requests (What Users Want) - **Integration of wearable device support to reduce the need for carrying mobile phones** ## SWOT Analysis {#swot} **Core Strengths:** - Proprietary food-classification logic creates high switching costs - Official brand authority provides a unique trust signal - Family Food List feature reduces household friction **Critical Frictions:** - Data discrepancies with reference books drive 1★ reviews - Poor UI contrast hinders accessibility - One-time $3.99 price lacks recurring value **Growth Levers:** - Integrate wearable device support to improve shopping convenience - Expand database to include modern dietary staples **Market Threats:** - AI-first trackers reduce manual entry friction - Clinical-grade competitors offer higher data accuracy ## Recent Changes (v2 → v3) {#recent-changes} The report expanded from a basic feature list to a detailed competitive analysis, identifying specific data-accuracy friction points and formalizing the app's competitive position against calorie-tracking incumbents. **Overall trend**: Mixed **Compared at**: 2026-06-21 ### High-impact changes - **[Declined] Data Accuracy Complaints** (sentiment) — User feedback shifted from general technical issues to specific reports of data discrepancies between the app and reference books. ### Medium-impact changes - **[Improved] Categorization Repositioning** (features) — Blood Type Food Categorization moved from standard to differentiator status. - **[Added] Formal SWOT Analysis** (swot) — Added full SWOT analysis identifying proprietary logic as a strength and data accuracy as a weakness. ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### Blood Type Diet® vs MyFitnessPal: Calorie Counter — Head to Head - **[MyFitnessPal: Calorie Counter](https://marlvel.ai/apps/myfitnesspal-calorie-counter)** by MyFitnessPal, Inc.: Dominates the calorie tracking market with a massive database and social features that dwarf the target's niche food-list focus. - **Moat strength:** High — sustainable advantage over 12 months - **Key differences:** - Massive crowdsourced food database provides instant logging for almost any global food item. - Integrated social community features allow users to share progress and find accountability partners. - Extensive third-party wearable integration syncs activity data directly into the daily caloric budget. ### Contenders (Strong Challengers) - **[Lose It! – Calorie Counter](https://marlvel.ai/apps/com-fitnow-loseit)** by FitNow [Moat: Medium]: High-velocity release cadence and gamified weight loss tracking make it a primary alternative for users seeking active engagement. - Gamified weight loss challenges and badges maintain higher user retention than static food lists. - Snap-it photo recognition feature reduces manual entry friction compared to traditional list-based apps. - **[Noom Weight Loss, Food Tracker](https://marlvel.ai/apps/com-noom-wlc)** by Noom, Inc. [Moat: High]: Pivots from simple tracking to psychological coaching, capturing the audience that finds basic food lists insufficient. - Psychology-based curriculum shifts focus from simple calorie counting to long-term behavioral habit changes. - Human-led coaching integration provides personalized support that static diet apps cannot replicate. ### Peers (What They Do Better) - **[Carb Manager—Keto Diet Tracker](https://marlvel.ai/apps/com-wombatapps-carbtracker)** by Wombat Apps LLC: Specializes in the Keto niche, serving as a direct competitor for users with specific dietary restrictions. - Deeply specialized macro-tracking logic tailored specifically for ketogenic and low-carb dietary requirements. - Advanced recipe database includes keto-specific meal planning tools that standard trackers lack. - **[Calorie Counter - MyNetDiary](https://marlvel.ai/apps/com-mynetdiary-mynetdiary)** by MyNetDiary Inc.: Offers a high-quality, data-driven alternative for users who prioritize clinical accuracy in their tracking. - Clinical-grade nutritional data verification ensures higher accuracy than user-submitted food databases. - Comprehensive diabetes-focused tracking features provide value for users managing specific health conditions. - **[Lifesum: AI Calorie Counter](https://marlvel.ai/apps/com-sillens-ishape)** by Lifesum AB: Focuses on holistic health and lifestyle integration rather than just weight loss or specific diet lists. - Holistic health scoring system evaluates overall lifestyle quality beyond just caloric intake. - Personalized meal plans based on user health goals simplify the decision-making process for beginners. ### New Kids on the Block (What's Innovative) - **[AI Calorie Counter - Appediet](https://marlvel.ai/apps/com-appediet-appediet)** by Appediet Information PTE. LTD: Rapidly emerging with AI-first features that modernize the traditional calorie tracking experience. - **[MacroFactor - Macro Tracker](https://marlvel.ai/apps/com-sbs-diet)** by Stronger By Science Technologies LLC: Gaining traction among power users by replacing static targets with dynamic, algorithm-based expenditure adjustments. ## App Momentum (Maintenance) {#momentum} - Integrated native social media launches. - Maintains stable international chart presence. > **Cadence:** 5 total versions · 0 majors in last 6 months · 257 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Blood Type Diet® is an established health & fitness app that is a paid app. With a 4.18/5 rating from 194 reviews, it shows polarized user reception. > **Bottom Line:** The app retains users through proprietary dietary methodology, but data inaccuracies and accessibility friction threaten long-term viability, so the PM should prioritize database synchronization to defend the brand's authority. **Best for:** Followers of the Blood Type Diet who require a portable, quick-reference tool for grocery shopping and meal planning. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] [HIGH IMPACT] Audit food database against reference books because data discrepancies are the top complaint → reduce churn — *User reviews highlight consistent frustration with conflicting information between the app and books.* _(trade-off: deprioritize Pause the wearable companion app sprint — database accuracy is a higher retention risk.)_ - [ ] [PIVOT] [MEDIUM IMPACT] Update UI contrast and font sizing because accessibility complaints hinder usability → improve rating baseline — *Users with visual impairments report significant difficulty navigating the current interface.* _(trade-off: deprioritize Deprioritize new recipe content updates — accessibility is a core utility requirement.)_ ### Feature Gaps vs Competitors - Real-time wearable integration (available in MyFitnessPal but absent here) - AI-powered image recognition (available in Appediet but absent here) ### Outlook: Stable The specialized diet market is consolidating around trackers that offer higher data accuracy and automated logging. The app remains stable due to its official brand authority, but it must address data synchronization issues to prevent users from migrating to more reliable, AI-driven alternatives. - 🔴 Data discrepancies between the app and reference books drive negative sentiment, which erodes trust in the official dietary protocol. - 🟢 The app maintains a stable international chart presence, indicating a consistent demand for specialized, brand-aligned nutritional tools. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.18/5 | | Total Reviews | 194 | | Sentiment | Mixed (55/100) | | Confidence | High | | Pricing Model | Paid | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Mixed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Blood Type Diet®** (this app) | 4.18/5 | Mixed | D'Adamo Personalized Nutrition® | | [Noom Weight Loss, Food Tracker](https://marlvel.ai/apps/com-noom-wlc) | 4.7/5 | Frustrated | Noom, Inc. | | [MacroFactor - Macro Tracker](https://marlvel.ai/apps/com-sbs-diet) | 4.8/5 | Mixed | Stronger By Science Technologies LLC | | [Calorie Counter - MyNetDiary](https://marlvel.ai/apps/com-mynetdiary-mynetdiary) | 4.8/5 | N/A | MyNetDiary Inc. | | [Lose It! – Calorie Counter](https://marlvel.ai/apps/com-fitnow-loseit) | 4.8/5 | Mixed | FitNow | | [Lifesum: AI Calorie Counter](https://marlvel.ai/apps/com-sillens-ishape) | 4.6/5 | Frustrated | Lifesum AB | ## Company Profile - **Developer:** D'Adamo Personalized Nutrition® - **Website:** [https://www.4yourtype.com/the-blood-type-diet-app/](https://www.4yourtype.com/the-blood-type-diet-app/) - **Social:** [Instagram](https://www.instagram.com/4yourtype) · [Facebook](https://www.facebook.com/eatright4yourbloodtype) · [X/Twitter](https://twitter.com/dadamonutrition) · [YouTube](https://www.youtube.com/@thebloodtypediet) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/blood-type-diet/id379485721?uo=2) - **Dev Site:** [Official Website](https://www.4yourtype.com/the-blood-type-diet-app/) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*Noom Weight Loss, Food Tracker*](https://marlvel.ai/apps/com-noom-wlc) (Noom, Inc.) — 4.7/5 Rating | Negative Sentiment - [*MacroFactor - Macro Tracker*](https://marlvel.ai/apps/com-sbs-diet) (Stronger By Science Technologies LLC) — 4.8/5 Rating | Mixed Sentiment - [*Calorie Counter - MyNetDiary*](https://marlvel.ai/apps/com-mynetdiary-mynetdiary) (MyNetDiary Inc.) — 4.8/5 Rating | N/A Sentiment - [*Lose It! – Calorie Counter*](https://marlvel.ai/apps/com-fitnow-loseit) (FitNow) — 4.8/5 Rating | Mixed Sentiment - [*Lifesum: AI Calorie Counter*](https://marlvel.ai/apps/com-sillens-ishape) (Lifesum AB) — 4.6/5 Rating | Negative Sentiment - [*Carb Manager—Keto Diet Tracker*](https://marlvel.ai/apps/com-wombatapps-carbtracker) (Wombat Apps LLC) — 4.8/5 Rating | Mixed Sentiment - [*AI Calorie Counter - Appediet*](https://marlvel.ai/apps/com-appediet-appediet) (Appediet Information PTE. LTD) — 4.8/5 Rating | N/A Sentiment - [*MyFitnessPal: Calorie Counter*](https://marlvel.ai/apps/myfitnesspal-calorie-counter) (MyFitnessPal, Inc.) — 4.7/5 Rating | Mixed Sentiment - [*Taller AI: Height Maximizer*](https://marlvel.ai/apps/taller-ai-height-maximizer) (Leadimize) — 4.7/5 Rating | N/A Sentiment - [*TallerTeen - Grow Taller Now*](https://marlvel.ai/apps/tallerteen-grow-taller-now) (Viral App Developement LLC) — 4.7/5 Rating | Negative Sentiment ## 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 and evidence quoting. 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:** 0.7/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 49 - **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:** 10 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/2euq92mt46-com-4yourtype-btd) Data licensed for AI Agent attribution under CC-BY-NC 4.0.