## ⚠ 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: "2026-05-20T14:53:34.144Z" --- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "EMRA Antibiotic Guide" developer_entity: "Emergency Medicine Residents' Association" bundle_id: "com.emra.AntibioticGuide" app_store_id: "1436939575" category: "Reference" primary_platform: "ios" primary_monetization: "Subscription" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-03-05" report_date: "2026-05-20" last_verified: "2026-05-20" report_version: "1.0.3" total_reviews: 205 overall_rating: 2.73 sentiment: "Upset" sentiment_score: 15 confidence: "high" confidence_score: 0.75 top_praise_theme: "Quick reference tables provide helpful clinical information for daily practice and student study sessions" top_complaint_theme: "App crashes consistently when accessing specific clinical sections like bone and joint on Android" top_request_theme: "Regular clinical content updates to ensure medical guidelines reflect current evidence-based practice standards" review_sample_size: 84 total_review_count: 84 analyzed_review_count: 84 data_age_days: 0 momentum_velocity: "zombie" intelligence_version: 3 nemesis: "Johns Hopkins Antibiotic Guide" competitor_count: 7 tags: ["reference", "subscription", "upset sentiment", "mobile app", "app review", "app analysis", "emergency", "medicine", "physicians"] canonical_url: "https://marlvel.ai/intel-report/reference/com-emra-antibioticguide" license: "CC-BY-NC 4.0" content_version: "v2" --- # EMRA Antibiotic Guide App Audit ## TL;DR {#tldr} - **Category**: Reference · Subscription - **Signal**: Rating 2.73 · Sentiment Upset - **Recent focus**: App crashes consistently when accessing specific clinical sections like bone and joint on Android (top complaint) · Quick reference tables provide helpful clinical information for daily practice and student study sessions (top praise) · Regular clinical content updates to ensure medical guidelines reflect current evidence-based practice standards (top request) > **TL;DR:** EMRA Antibiotic Guide is a reference app by Emergency Medicine Residents' Association, rated 2.73/5 by 205 users, with Upset user sentiment (15/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** EMRA Antibiotic Guide faces Upset user sentiment (2.73/5 from 205 reviews), with app crashes consistently when accessing specific clinical sections like bone and joint on android as the primary user concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 2.73/5 (205 reviews) | | **User Mood** | Upset | | **Category** | Reference | | **Developer** | Emergency Medicine Residents' Association | | **Pricing** | Subscription | | **Platforms** | iOS & Android | | **Confidence** | High (0.75/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** Emergency Medicine Residents' Association - **Category:** Reference - **Target Audience:** Emergency medicine physicians and residents requiring quick, evidence-based antibiotic guidance during clinical shifts. - **Platforms:** iOS & Android - **Version Audited:** 1.0.3 - **Audit Date:** 2026-05-20 - **Signal Count:** 84 reviews analyzed - **Confidence:** High (0.75/1.0) - **App Store ID (iOS):** 1436939575 - **Bundle ID:** com.emra.AntibioticGuide - **Google Play ID:** com.emra.AntibioticGuide - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-05-20 - **Short Description:** Get easy-to-use ABx recommendations on-shift ## Executive Snapshot **What it is:** EMRA Antibiotic Guide is a clinical reference app for emergency medicine physicians, providing antibiotic dosage and diagnostic recommendations via an annual subscription model. **Why users hire it:** Clinicians hire this app to reduce cognitive load during high-pressure shifts, but the failure to provide current evidence-based updates undermines the primary job-to-be-done. ## App DNA (Features & Intent) - **[Differentiator] Dosage Calculator:** Calculates patient-specific antibiotic dosages based on clinical inputs - **[Standard] Predictive Search:** Universal search interface for rapid navigation of antibiotic recommendations * *User Intent:* Users want to quickly find relevant content or features. ## Market Position {#market-position} The app holds the #80 Grossing position in the US Medical category, but the 2.43 Android rating indicates significant friction compared to the category average. This performance gap suggests that technical instability is actively suppressing monetization potential. ## Monetization Strategy - **Model:** Subscription - **Tiers:** Annual subscription at $9.99 USD per year - **Analysis:** Subscription-only model anchored at $9.99/year, requiring payment for all content access with no free trial. ## 🔴 User Sentiment (High Confidence: 84 of 84 reviews analyzed) {#user-sentiment} - **Overall Rating:** 2.73/5 - **Platform Split:** iOS 3.3/5 (73 ratings) | Android 2.4/5 (132 ratings) - **Overall Sentiment:** Upset ### Top Praises - **Quick reference tables provide helpful clinical information for daily practice and student study sessions** ### Top Complaints (Impact Areas) - **App crashes consistently when accessing specific clinical sections like bone and joint on Android** - **Subscription management and account restoration fail when users upgrade to new mobile devices** ### Top Requests (What Users Want) - **Regular clinical content updates to ensure medical guidelines reflect current evidence-based practice standards** ## SWOT Analysis {#swot} **Core Strengths:** - Emergency-specific workflow integration - Evidence-based Choosing Wisely guideline support - Professional association branding **Critical Frictions:** - 2.43 Android rating - Critical subscription restoration failures - Stagnant clinical content updates **Growth Levers:** - Wearable clinical support integration - Electronic health record connectivity - Residency program B2B partnerships **Market Threats:** - UpToDate institutional dominance - Free Merck Manual alternatives - Declining user trust from crash bugs ## Recent Changes (v2 → v3) {#recent-changes} The app's competitive position has declined due to a sharp drop in user ratings and the emergence of specific, high-impact technical failures that prevent core functionality. **Overall trend**: Declining **Compared at**: 2026-05-20 ### High-impact changes - **[Declined] Rating Drop** (sentiment) — User rating decreased from 3.27 to 2.43. - **[Added] Critical Technical Complaints** (sentiment) — New complaints emerged regarding Android-specific crashes in orthopedic sections and persistent subscription restoration failures. ### Medium-impact changes - **[Removed] Removal of Personalized Notes** (features) — The 'Personalized Notes' feature was removed from the key features list. - **[Added] Updated SWOT Risks** (swot) — Added 'Stagnant clinical content updates' as a weakness and 'UpToDate institutional dominance' as a threat. ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### EMRA Antibiotic Guide vs Johns Hopkins Antibiotic Guide — Head to Head - **[Johns Hopkins Antibiotic Guide](https://marlvel.ai/intel-report/medical/com-unboundmedicine-johnshopkinspocitguides)** by Unbound Medicine, Inc.: This is the direct market leader in the specialized antibiotic reference niche, maintaining high-frequency updates and a massive, loyal user base. - **Moat strength:** High — sustainable advantage over 12 months - **Key differences:** - Provides deep, evidence-based clinical decision support specifically for infectious disease management at the point of care. - Leverages the Unbound Medicine platform to ensure rapid, consistent content updates across all mobile operating systems. - Offers a specialized, curated database that functions as a professional-grade clinical tool rather than a general reference. - **Where EMRA Antibiotic Guide wins:** - ✅ Focuses exclusively on the emergency medicine workflow, potentially offering faster access to critical antibiotic choices on-shift. - ✅ Maintains a specialized niche identity that resonates more deeply with the specific needs of emergency medicine residents. - **Where Johns Hopkins Antibiotic Guide wins:** - ❌ Delivers a more comprehensive, multi-specialty clinical database that serves a broader range of medical practitioners globally. - ❌ Maintains a high-velocity release cadence that ensures clinical guidelines remain current and reliable for high-stakes decisions. - **Verdict:** The target app must prioritize its emergency-specific UX speed to differentiate from the broader, more established Johns Hopkins clinical authority. ### Contenders (Strong Challengers) - **[UpToDate](https://marlvel.ai/intel-report/medical/uptodate)** by UpToDate, Inc. [Moat: High]: The gold standard for clinical reference, serving as a massive, all-encompassing competitor for any medical information query. - Provides an exhaustive, peer-reviewed clinical knowledge base that covers virtually every medical specialty and condition. - Integrates deeply into institutional workflows, making it the default reference tool for most hospital-based medical professionals. - **[DynaMed](https://marlvel.ai/intel-report/medical/dynamed)** by EBSCO Publishing [Moat: Medium]: A major clinical decision support tool that competes directly for the attention of time-pressed clinicians. - Utilizes a systematic, evidence-based methodology to provide concise clinical summaries optimized for rapid point-of-care consumption. - Offers robust integration with electronic health records, creating a sticky ecosystem that the target app currently lacks. ### Peers (What They Do Better) - **[MDCalc Medical Calculator](https://marlvel.ai/intel-report/medical/mdcalc-medical-calculator)** by MD Aware, LLC: While a calculator, it occupies the same 'on-shift' mental real estate as the target app for emergency clinicians. - Focuses on clinical decision rules and scoring systems rather than pharmacological reference, capturing the same user intent. - Features a highly optimized, rapid-fire UI designed specifically for the high-pressure environment of the emergency department. - **[Merck Manual Professional](https://marlvel.ai/intel-report/medical/merck-manual-professional)** by Merck & Co Inc: A legacy medical reference that provides broad clinical information, serving as a secondary resource for clinicians. - Offers a completely free, comprehensive medical textbook experience without the paywall friction found in other clinical tools. - Provides a broad, encyclopedic approach to medicine that lacks the specific, actionable antibiotic focus of the target. - **[VisualDx](https://marlvel.ai/intel-report/medical/com-logicalimages-visualdxmobile)** by Logical Images: A specialized diagnostic tool that shares the 'point-of-care' category but focuses on visual/dermatological diagnosis. - Uses a unique image-based diagnostic engine to assist clinicians in identifying skin conditions and infectious diseases. - Targets a specific diagnostic pain point that complements, rather than replaces, antibiotic reference guides. ### New Kids on the Block (What's Innovative) - **[Figure 1 - Medical Cases](https://marlvel.ai/intel-report/medical/figure-1-medical-cases)** by Figure 1, Inc.: An emerging social-learning platform that captures significant clinician engagement through crowdsourced medical case studies. ## What's New - **Latest (v1.0.1.30, 6 years ago):** General bug fixes and content updates. ## App Momentum (Zombie) {#momentum} - Shipped minor bug fixes. - Maintained stagnant clinical content. > **Cadence:** 2 total versions · 0 majors in last 6 months · 76 days since last update · 2479 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} EMRA Antibiotic Guide is a challenged reference app that is available. With a 2.73/5 rating from 205 reviews, it faces significant user friction. > **Bottom Line:** The app provides essential clinical utility but is failing to maintain basic technical reliability, so the PM must prioritize fixing subscription restoration and crash bugs to prevent total user churn. **Best for:** Emergency medicine physicians and residents requiring quick, evidence-based antibiotic guidance during clinical shifts. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] [HIGH IMPACT] Rebuild subscription restoration flow because users cannot access paid content after device upgrades → reduce refund surge — *Subscription management failure is a top-cited complaint theme.* _(trade-off: deprioritize Pause the planned UI refresh for the search interface — restoration is a revenue-blocker.)_ - [ ] [PIVOT] [HIGH IMPACT] Audit Android crash logs in orthopedic sections because multiple users report immediate shutdowns → improve retention — *High-frequency crash reports on Android are driving the 2.43 rating.* _(trade-off: deprioritize Delay the pediatric dosage calculator update — stability is the current churn driver.)_ ### Feature Gaps vs Competitors - Real-time clinical decision support (available in Johns Hopkins Antibiotic Guide but absent here) ### Outlook: Declining The clinical reference market is consolidating around high-velocity, evidence-based tools that integrate into institutional workflows. EMRA's current maintenance-mode posture leaves it exposed to competitors that offer superior reliability and content freshness, so the app's survival depends on immediate technical remediation. - 🔴 Persistent crash reports on Android sections erode the daily active habit, which compounds the rating drag already visible on the platform. - 🔴 Stagnant clinical content updates despite annual billing drive user frustration, accelerating churn pressure toward free alternatives like Merck Manual. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 2.73/5 | | Total Reviews | 205 | | Sentiment | Upset (15/100) | | Confidence | High | | Pricing Model | Subscription | | Platforms | iOS & Android | | Key Features | 2 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **EMRA Antibiotic Guide** (this app) | 2.73/5 | Upset | Emergency Medicine Residents' Association | | [VisualDx](https://marlvel.ai/intel-report/medical/com-logicalimages-visualdxmobile) | 4.4/5 | N/A | Logical Images | | [Johns Hopkins Antibiotic Guide](https://marlvel.ai/intel-report/medical/com-unboundmedicine-johnshopkinspocitguides) | 4.9/5 | Mixed | Unbound Medicine, Inc. | | [UpToDate](https://marlvel.ai/intel-report/medical/uptodate) | 4.3/5 | N/A | UpToDate, Inc. | | [MDCalc Medical Calculator](https://marlvel.ai/intel-report/medical/mdcalc-medical-calculator) | 4.9/5 | N/A | MD Aware, LLC | | [Merck Manual Professional](https://marlvel.ai/intel-report/medical/merck-manual-professional) | 4.8/5 | N/A | Merck & Co Inc | ## Company Profile - **Developer:** Emergency Medicine Residents' Association - **Website:** [https://www.emra.org](https://www.emra.org) - **Social:** [Instagram](https://www.instagram.com/emresidents) · [Facebook](https://www.facebook.com/emresidents) · [X/Twitter](https://twitter.com/emresidents) · [YouTube](https://www.youtube.com/@EMResidents) · [LinkedIn](https://www.linkedin.com/company/emresidents) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/emra-antibiotic-guide/id1436939575?uo=2) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.emra.AntibioticGuide&hl=en&gl=us) - **Dev Site:** [Official Website](https://www.emra.org) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*VisualDx*](https://marlvel.ai/intel-report/medical/com-logicalimages-visualdxmobile) (Logical Images) — 4.4/5 Rating | N/A Sentiment - [*Johns Hopkins Antibiotic Guide*](https://marlvel.ai/intel-report/medical/com-unboundmedicine-johnshopkinspocitguides) (Unbound Medicine, Inc.) — 4.9/5 Rating | Mixed Sentiment - [*UpToDate*](https://marlvel.ai/intel-report/medical/uptodate) (UpToDate, Inc.) — 4.3/5 Rating | N/A Sentiment - [*MDCalc Medical Calculator*](https://marlvel.ai/intel-report/medical/mdcalc-medical-calculator) (MD Aware, LLC) — 4.9/5 Rating | N/A Sentiment - [*Merck Manual Professional*](https://marlvel.ai/intel-report/medical/merck-manual-professional) (Merck & Co Inc) — 4.8/5 Rating | N/A Sentiment - [*Figure 1 - Medical Cases*](https://marlvel.ai/intel-report/medical/figure-1-medical-cases) (Figure 1, Inc.) — 4.7/5 Rating | N/A Sentiment - [*DynaMed*](https://marlvel.ai/intel-report/medical/dynamed) (EBSCO Publishing) — 4.9/5 Rating | N/A Sentiment - [*Hallow: Prayer & Meditation*](https://marlvel.ai/intel-report/reference/hallow-prayer-meditation) (Hallow, Inc.) — 4.7/5 Rating | Positive Sentiment - [*Islamic World - Ramadan 2026*](https://marlvel.ai/intel-report/reference/islamic-world-ramadan-2026) (AppAspect Technologies Pvt. Ltd.) — 4.7/5 Rating | N/A Sentiment - [*Antique Appraisal: ID Anything*](https://marlvel.ai/intel-report/reference/antique-appraisal-id-anything) (Dung Vu) — 5.0/5 Rating | N/A 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:** 0.75/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 84 - **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 --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/reference/com-emra-antibioticguide) Data licensed for AI Agent attribution under CC-BY-NC 4.0.