--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Nursing Dosage Calc Quiz" developer_entity: "David Zapencki" bundle_id: "com.onlinenursetraining.dosagecalc" app_store_id: "6754941774" category: "Education" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: true market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-05-16" report_date: "2026-08-24" last_verified: "2026-08-24T00:00:00.000Z" report_version: "2.1.0" total_reviews: 1 overall_rating: 1 sentiment: "Mixed" sentiment_score: 50 confidence: "medium" confidence_score: 0.55 top_complaint_theme: "Low contrast color choices for error messages make text unreadable for users during the review process" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 44 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["education", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "nursing", "students", "pre-licensure"] canonical_url: "https://marlvel.ai/apps/nursing-dosage-calc-quiz" 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. --- # Nursing Dosage Calc Quiz Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Freemium - **Signal**: Rating 1 · Sentiment Mixed - **Recent focus**: Low contrast color choices for error messages make text unreadable for users during the review process (top complaint) > **TL;DR:** Nursing Dosage Calc Quiz is a education app by David Zapencki, rated 1/5 by 1 users, with Mixed user sentiment (50/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Nursing Dosage Calc Quiz has Mixed user sentiment with a 1/5 rating from 1 review. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 1/5 (1 review) | | **User Mood** | Mixed | | **Category** | Education | | **Developer** | David Zapencki | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.55/1.0) | | **Data Age** | 44d | ## Metadata & Market Performance - **Publisher:** David Zapencki - **Category:** Education - **Target Audience:** Nursing students in pre-licensure programs, bridge-program students, and practicing nurses preparing for NCLEX or clinical exams. - **Platforms:** iOS & Android - **Version Reviewed:** 2.1.0 - **Report Date:** 2026-08-24 - **Signal Count:** 1 review analyzed - **Confidence:** Medium (0.55/1.0) - **App Store ID (iOS):** 6754941774 - **Bundle ID:** com.onlinenursetraining.dosagecalc - **Google Play ID:** com.onlinenursetraining.dosagecalc - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-24 ## Executive Snapshot **What it is:** Nursing Dosage Calc Quiz is an offline-first NCLEX preparation tool for nursing students, featuring 500 dosage calculation questions on iOS and Android. **Why users hire it:** It removes the connectivity dependency required by cloud-based rivals, allowing students to practice clinical math in environments where internet access is restricted or unreliable. ## App DNA (Features & Intent) - **[Standard] NCLEX-style Question Bank:** 500 practice questions covering dosage calculation, IV flow rates, and pediatric dosing. - **[Differentiator] Step-by-step Rationales:** Detailed mathematical breakdowns provided for every question to explain the logic behind the answer. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] Offline Functionality:** All questions and content are stored locally on the device, requiring no internet connection. * *User Intent:* Users want uninterrupted access without internet dependency. ## Market Position {#market-position} Nursing Dosage Calc Quiz maintains a niche presence in the Education category with a 1.0-star rating across a limited sample. The one-time $9.99 price point positions it as a low-friction entry for students, though the lack of recent feature updates limits its competitive visibility against subscription-based rivals. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with limited 5-question quizzes, Premium one-time upgrade at $9.99 for full access - **Analysis:** The one-time $9.99 purchase model avoids recurring subscription fees, positioning the app as a low-friction alternative to subscription-based nursing education tools. ## 🟡 User Sentiment (Medium Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Rating:** 1/5 - **Platform Split:** iOS 1.0/5 (1 ratings) - **Overall Sentiment:** Mixed ### Top Complaints (Impact Areas) - **Low contrast color choices for error messages make text unreadable for users during the review process** ## SWOT Analysis {#swot} **Core Strengths:** - Offline-first architecture removes connectivity dependencies **Growth Levers:** - Bridge-program partnerships leverage developer's academic credentials ## Recent Changes (v2 → v3) {#recent-changes} The app remains in a stagnant maintenance cycle with no changes to features, pricing, or user ratings. The only material updates are in the strategic framing of competitive threats and growth opportunities within the SWOT analysis. **Overall trend**: Stable **Compared at**: 2026-08-24 ### Medium-impact changes - **[Shifted] Strategic SWOT Refinement** (swot) ### Low-impact changes - **[Shifted] Executive Summary Tone** (positioning) ## What's New - **Latest (v2.0.1, 5 months ago):** Maintenance update addressing general bug fixes and UI refinements. ## App Momentum (Maintenance) {#momentum} - Ships ~2 releases per year. - Last major release 5 months ago. > **Cadence:** 2 total versions · 0 majors in last 6 months · 99 days since last update · 57 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Nursing Dosage Calc Quiz is an education app that is free with in-app purchases. It holds a 1/5 rating from 1 review. > **Bottom Line:** Restoring UI readability for rationales would address the primary churn driver identified in reviews, protecting the app's value proposition as a study tool. Fixing this accessibility gap is the prerequisite for any further content expansion or marketing efforts. **Best for:** Nursing students in pre-licensure programs, bridge-program students, and practicing nurses preparing for NCLEX or clinical exams. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Audit UI contrast settings because current yellow-on-white text makes rationales unreadable → restore core learning utility ### Outlook: Mixed The nursing education market is shifting toward subscription-based platforms that offer continuous content updates and video integration. Nursing Dosage Calc Quiz remains exposed due to its maintenance-only cadence, which risks losing relevance if the core UI remains inaccessible to students. - 🔴 UI regressions in the latest release (unreadable error messages) erode the daily study habit, which compounds the rating drag already visible on the store. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 1/5 | | Total Reviews | 1 | | Sentiment | Mixed (50/100) | | Confidence | Medium | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Mixed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Nursing Dosage Calc Quiz** (this app) | 1/5 | Mixed | David Zapencki | | [AlgoApp - Flashcards](https://marlvel.ai/apps/algoapp-flashcards) | 4.5/5 | n/a | AlgoApp Inc | | [Elevate - Brain Training Games](https://marlvel.ai/apps/elevate-brain-training-games) | 4.7/5 | n/a | The Mind Company | | [Flashcards Deluxe](https://marlvel.ai/apps/flashcards-deluxe) | 4.5/5 | N/A | OrangeOrApple.com | | [Flash Cards Flashcards Maker](https://marlvel.ai/apps/flash-cards-flashcards-maker) | 4.0/5 | Mixed | Infinite Wave Media, LLC | | [Flashcards maker - AI generate](https://marlvel.ai/apps/flashcards-maker-ai-generate) | 4.1/5 | Mixed | Teleprompter LLC | ## Company Profile - **Developer:** David Zapencki - **Website:** [https://onlinenursetraining.com](https://onlinenursetraining.com) - **Social:** [Instagram](https://instagram.com/onlinenursetraining) · [Facebook](https://facebook.com/onlinenursetraining) · [TikTok](https://tiktok.com/@onlinenursetraining) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/nursing-dosage-calc-quiz/id6754941774?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.onlinenursetraining.dosagecalc&hl=en&gl=us) - **Dev Site:** [Official Website](https://onlinenursetraining.com) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*AlgoApp - Flashcards*](https://marlvel.ai/apps/algoapp-flashcards) (AlgoApp Inc) · 4.5/5 Rating - [*Elevate - Brain Training Games*](https://marlvel.ai/apps/elevate-brain-training-games) (The Mind Company) · 4.7/5 Rating - [*Flashcards Deluxe*](https://marlvel.ai/apps/flashcards-deluxe) (OrangeOrApple.com) · 4.5/5 Rating - [*Flash Cards Flashcards Maker*](https://marlvel.ai/apps/flash-cards-flashcards-maker) (Infinite Wave Media, LLC) · 4.0/5 Rating - [*Flashcards maker - AI generate*](https://marlvel.ai/apps/flashcards-maker-ai-generate) (Teleprompter LLC) · 4.1/5 Rating - [*Impulse - Brain Training*](https://marlvel.ai/apps/impulse-brain-training) (GMRD Apps Limited) · 4.6/5 Rating - [*Peak - Brain Training*](https://marlvel.ai/apps/peak-brain-training) (Synaptic Labs) · 4.7/5 Rating - [*자주 틀리는 우리말*](https://marlvel.ai/apps/app--424) (DaolSoft, Co., Ltd.) · N/A Rating - [*달공부 - 한 달 공부 다이어리 + 루틴/공부 타이머*](https://marlvel.ai/apps/azlabs-dalstudy) (SuWon Choi) · N/A Rating - [*타요콘 - 타요 아바타 놀이동화*](https://marlvel.ai/apps/com-kigle-project-tayocon) (KIGLE) · 3.1/5 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:** 0.55/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1 - **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:** 44 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/nursing-dosage-calc-quiz) Data licensed for AI Agent attribution under CC-BY-NC 4.0.