--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Peptide Calculator: DoseRx" developer_entity: "Arturo Gomez" bundle_id: "com.arturogomez.doserx" app_store_id: "6766688593" category: "Medical" primary_platform: "ios" primary_monetization: "Free" offline_capable: true market_region: "US" platforms: "iOS" app_last_updated: "2026-06-26" report_date: "2026-08-12" last_verified: "2026-08-12T00:00:00.000Z" report_version: "1.1.0" total_reviews: 117 overall_rating: 4.8 sentiment: "Thrilled" sentiment_score: 90 confidence: "low" confidence_score: 0.3 top_praise_theme: "The calculator provides essential and practical utility for users managing specific medical dosage requirements" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 5 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["medical", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "individuals", "using", "injectable"] canonical_url: "https://marlvel.ai/apps/peptide-calculator-doserx" 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. --- # Peptide Calculator: DoseRx Intelligence Report ## TL;DR {#tldr} - **Category**: Medical · Free - **Signal**: Rating 4.83 · Sentiment Thrilled - **Recent focus**: The calculator provides essential and practical utility for users managing specific medical dosage requirements (top praise) > **TL;DR:** Peptide Calculator: DoseRx is a medical app by Arturo Gomez, rated 4.83/5 by 117 users, with Thrilled user sentiment (90/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Peptide Calculator: DoseRx maintains Thrilled user sentiment (4.83/5 from 117 reviews), with users consistently praising the calculator provides essential and practical utility for users managing specific medical dosage requirements. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.83/5 (117 reviews) | | **User Mood** | Thrilled | | **Category** | Medical | | **Developer** | Arturo Gomez | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.3/1.0) | | **Data Age** | 5d | ## Metadata & Market Performance - **Publisher:** Arturo Gomez - **Category:** Medical - **Target Audience:** Individuals using injectable peptides who require precise reconstitution and dosage calculations. - **Platforms:** iOS - **Version Reviewed:** 1.1.0 - **Report Date:** 2026-08-12 - **Signal Count:** 1 review analyzed - **Confidence:** Low (0.3/1.0) - **App Store ID (iOS):** 6766688593 - **Bundle ID:** com.arturogomez.doserx - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-12 ## Executive Snapshot **What it is:** DoseRx is a specialized medical utility for calculating peptide reconstitution volumes and insulin syringe units on iOS. **Why users hire it:** Users hire DoseRx to eliminate manual math errors when preparing injectable compounds. The offline-first design serves users who prioritize data privacy over cloud-synced features. ## App DNA (Features & Intent) - **[Standard] Peptide Reconstitution Calculator:** Calculates draw volumes and insulin units based on vial strength, water volume, and desired dose. - **[Differentiator] Syringe Type Support:** Adjusts IU results and visual fill guides for U-40, U-50, and U-100 syringe standards. * *User Intent:* Users need clear guidance to understand and adopt the product quickly. - **[Differentiator] Offline Functionality:** Performs all calculations locally without requiring an account or internet connection. * *User Intent:* Users want uninterrupted access without internet dependency. ## Market Position {#market-position} DoseRx maintains a 4.83-star rating on the App Store with 117 ratings, positioning it as a highly-rated niche medical utility. The lack of monetization suggests a focus on user acquisition through utility rather than revenue extraction. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is currently offered as a free utility with no visible monetization or subscription gates. ## 🟢 User Sentiment (Low Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Rating:** 4.83/5 - **Platform Split:** iOS 4.8/5 (117 ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **The calculator provides essential and practical utility for users managing specific medical dosage requirements** ## SWOT Analysis {#swot} **Core Strengths:** - Offline-first architecture functions as a privacy barrier for sensitive medical data - Visual syringe fill guide reduces reconstitution error risk **Growth Levers:** - Integration of automated dosage logging could increase daily active usage ## Recent Changes (v2 → v3) {#recent-changes} The report reflects a strategic pivot toward addressing user friction through automated logging, shifting the focus from simple data export to daily active usage. **Overall trend**: Stable **Compared at**: 2026-08-12 ### High-impact changes - **[Shifted] PM Roadmap Priority** (features) ### Medium-impact changes - **[Shifted] SWOT Analysis Refinement** (swot) - **[Shifted] Competitive Stance** (positioning) ## What's New - **Latest (v1.1.0, 1 months ago):** Added support for U-40 and U-50 syringes with automatic IU result and guide adjustments. ## App Momentum (Maintenance) {#momentum} - Added U-40 and U-50 syringe support. - Maintains offline-first utility model. > **Cadence:** 1 total versions · 1 majors in last 6 months · 46 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Peptide Calculator: DoseRx is a medical app that is completely free. It holds a 4.83/5 rating from 117 reviews. > **Bottom Line:** DoseRx succeeds as a privacy-focused utility for peptide users, because the offline-first design eliminates data-privacy concerns, so the PM should prioritize adding automated logging to transition the app from a one-time tool to a daily habit. **Best for:** Individuals using injectable peptides who require precise reconstitution and dosage calculations. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship automated dosage logging because manual input is the primary friction point → increase daily active usage ### Outlook: Stable The medical utility market is consolidating around apps that offer both calculation and tracking, leaving DoseRx exposed as a single-purpose tool. Future growth requires moving beyond simple math to become a persistent health-tracking companion. - 🟢 The latest release added U-40 and U-50 syringe support, signaling that the developer is prioritizing core utility accuracy over experimental features. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.83/5 | | Total Reviews | 117 | | Sentiment | Thrilled (90/100) | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Peptide Calculator: DoseRx** (this app) | 4.83/5 | Thrilled | Arturo Gomez | | [필잇 - 약 알림 및 복용 기록](https://marlvel.ai/apps/app--35) | N/A/5 | N/A | Hansub Yoo | | [레어노트 - 암·희귀질환 정보](https://marlvel.ai/apps/app--629) | 5.0/5 | N/A | LifeX, Inc. | | [창고형약국 약값체크](https://marlvel.ai/apps/com-hiddenwave-yakcheck) | N/A/5 | N/A | Lowkeybase | | [용인세브란스병원](https://marlvel.ai/apps/com-severance-newys) | 1.9/5 | N/A | Yonsei University Health System | | [1001Doktor](https://marlvel.ai/apps/com-binbirdoktor-binbirdoktor) | 4.8/5 | N/A | 1001Doktor Ltd. Şti. | ## Company Profile - **Developer:** Arturo Gomez ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/peptide-calculator-doserx/id6766688593?uo=4) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*필잇 - 약 알림 및 복용 기록*](https://marlvel.ai/apps/app--35) (Hansub Yoo) · N/A Rating - [*레어노트 - 암·희귀질환 정보*](https://marlvel.ai/apps/app--629) (LifeX, Inc.) · 5.0/5 Rating - [*창고형약국 약값체크*](https://marlvel.ai/apps/com-hiddenwave-yakcheck) (Lowkeybase) · N/A Rating - [*용인세브란스병원*](https://marlvel.ai/apps/com-severance-newys) (Yonsei University Health System) · 1.9/5 Rating - [*1001Doktor*](https://marlvel.ai/apps/com-binbirdoktor-binbirdoktor) (1001Doktor Ltd. Şti.) · 4.8/5 Rating - [*10th HiD*](https://marlvel.ai/apps/10th-hid) (Catch Dynamics, Inc.) · N/A Rating - [*12 Lead ECG Challenge*](https://marlvel.ai/apps/com-limmercreative-srtengine-12lead) (Limmer Creative) · 3.3/5 Rating - [*1-800 Contacts*](https://marlvel.ai/apps/com-1800contacts-1800contacts) (1-800 CONTACTS, Inc.) · 4.6/5 Rating - [*1MEDICINE*](https://marlvel.ai/apps/1medicine) (Matthew Culbert) · 5.0/5 Rating - [*2021 CDC STI (STD) Guidelines*](https://marlvel.ai/apps/com-enatal-std2021) (Don Miller) · 4.0/5 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:** 0.3/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1 - **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:** 5 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/peptide-calculator-doserx) Data licensed for AI Agent attribution under CC-BY-NC 4.0.