--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "DNA/RNA/Protein and General Mol. Weight Calculator" developer_entity: "Wiley" bundle_id: "com.wiley.cptmolcalc" app_store_id: "408366615" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2017-05-09" report_date: "2026-09-23" last_verified: "2026-09-23T00:00:00.000Z" report_version: "2.0.0" total_reviews: 4 overall_rating: 3.3 sentiment: "Mixed" sentiment_score: 50 confidence: "medium" confidence_score: 0.4 top_complaint_theme: "The application lacks user friendly design elements that make navigation difficult for new users" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 13 momentum_velocity: "zombie" intelligence_version: 2 tags: ["utilities", "free", "mixed sentiment", "mobile app", "app review", "app analysis", "biochemists,", "molecular", "biologists,"] canonical_url: "https://marlvel.ai/apps/dna-rna-protein-and-general-mol-weight-calculator" license: "CC-BY-NC 4.0" content_version: "v2" --- # DNA/RNA/Protein and General Mol. Weight Calculator Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Free - **Signal**: Rating 3.25 · Sentiment Mixed - **Recent focus**: The application lacks user friendly design elements that make navigation difficult for new users (top complaint) > **TL;DR:** DNA/RNA/Protein and General Mol. Weight Calculator is a utilities app by Wiley, rated 3.25/5 by 4 users, with Mixed user sentiment (50/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** DNA/RNA/Protein and General Mol. Weight Calculator has Mixed user sentiment with a 3.25/5 rating from 4 reviews. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 3.25/5 (4 reviews) | | **User Mood** | Mixed | | **Category** | Utilities | | **Developer** | Wiley | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Medium (0.4/1.0) | | **Data Age** | 13d | ## Metadata & Market Performance - **Publisher:** Wiley - **Category:** Utilities - **Target Audience:** Biochemists, molecular biologists, and laboratory researchers. - **Platforms:** iOS - **Version Reviewed:** 2.0.0 - **Report Date:** 2026-09-23 - **Signal Count:** 1 review analyzed - **Confidence:** Medium (0.4/1.0) - **App Store ID (iOS):** 408366615 - **Bundle ID:** com.wiley.cptmolcalc - **Data Window:** Analysis based on signals collected up to 2026-09-23 ## Executive Snapshot **What it is:** DNA/RNA/Protein and General Mol. Weight Calculator is a specialized utility for biochemists and molecular biologists to calculate molecular weights of sequences and formulas on iOS. **Why users hire it:** Researchers require immediate, offline-accessible weight estimations for nucleic acids and peptides to maintain laboratory efficiency. ## App DNA (Features & Intent) - **[Standard] Molecular Weight Calculation:** Calculates molecular weight for nucleic acid sequences, protein/peptide sequences, and chemical formulas. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] Compound Database:** Includes a pre-populated list of 1200 common organic and inorganic compounds for immediate selection. ## Market Position {#market-position} DNA/RNA/Protein and General Mol. Weight Calculator holds a niche position in the Utilities category, maintaining a 3.25 rating across a small sample of 4 total ratings. The lack of updates since 2017 signals a focus on legacy utility rather than market share growth. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is provided as a free utility, serving as a brand extension for the Current Protocols publication. ## 🟡 User Sentiment (Medium Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Rating:** 3.25/5 - **Platform Split:** iOS 3.3/5 (4 ratings) - **Overall Sentiment:** Mixed ### Top Complaints (Impact Areas) - **The application lacks user friendly design elements that make navigation difficult for new users** ## SWOT Analysis {#swot} **Core Strengths:** - Pre-populated database of 1200 common compounds provides immediate reference utility **Growth Levers:** - Modernizing the UI would reduce the primary churn driver for new users ## What's New - **Latest (v2.0.0, 9 years ago):** Maintenance update addressing bug fixes and compatibility for latest iOS versions. ## App Momentum (Zombie) {#momentum} - No feature updates since 2017 - Maintenance-only release cadence > **Cadence:** 1 total versions · 0 majors in last 6 months · 3424 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} DNA/RNA/Protein and General Mol. Weight Calculator is an utilities app that is completely free. It holds a 3.25/5 rating from 4 reviews. > **Bottom Line:** DNA/RNA/Protein and General Mol. Weight Calculator provides a reliable, specialized reference for laboratory researchers, but the lack of development since 2017 leaves the utility vulnerable to modern, web-based alternatives that offer better navigation and faster workflows. **Best for:** Biochemists, molecular biologists, and laboratory researchers. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Audit navigation flow because 100% of analyzed reviews flag it as the top frustration → reduce churn ### Outlook: Declining The market for laboratory utilities is shifting toward web-based tools that provide faster, more accessible workflows. DNA/RNA/Protein and General Mol. Weight Calculator remains in a maintenance-only state, which leaves it exposed to more agile, updated competitors. - 🔴 The 9-year development silence signals the app is in maintenance mode, which erodes its relevance against modern web-based laboratory tools. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 3.25/5 | | Total Reviews | 4 | | Sentiment | Mixed (50/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS | | Key Features | 2 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **DNA/RNA/Protein and General Mol. Weight Calculator** (this app) | 3.25/5 | Mixed | Wiley | | [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.8/5 | N/A | Cat Connect | | [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.6/5 | n/a | techlaim | | [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies | | [Fusvob VPN : Super VPN 2026](https://marlvel.ai/apps/com-toplinkc-foxexcellent) | 4.5/5 | Mixed | Fuxin Technology | | [Gear Ratio Calculator & RPM](https://marlvel.ai/apps/cog-gear-ratio-calculator) | N/A/5 | N/A | Linh Phan Nhat Khanh | ## Company Profile - **Developer:** Wiley - **Website:** [https://www.currentprotocols.com](https://www.currentprotocols.com) - **Social:** [X/Twitter](https://twitter.com/Curr_Protocols) · [YouTube](https://www.youtube.com/c/CurrentProtocols) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/dna-rna-protein-and-general-mol-weight-calculator/id408366615?uo=4) - **Dev Site:** [Official Website](https://www.currentprotocols.com) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.8/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating - [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating - [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.5/5 Rating - [*Gear Ratio Calculator & RPM*](https://marlvel.ai/apps/cog-gear-ratio-calculator) (Linh Phan Nhat Khanh) · N/A Rating - [*NordVPN: VPN Fast & Secure*](https://marlvel.ai/apps/com-nordvpn-nordvpn) (Nordvpn S.A.) · 4.7/5 Rating - [*Pulley Calculator Easy*](https://marlvel.ai/apps/pulley-calculator-easy) (YAVUZ BULAMADIK) · N/A Rating - [*Track And Field Companion*](https://marlvel.ai/apps/track-and-field-companion) (Travis Menghini) · N/A Rating - [*VPN 365-Master WIFI Security*](https://marlvel.ai/apps/vpn-365-master-wifi-security) (vpn fast) · 4.6/5 Rating - [*VPN - Seal VPN Secure Proxy*](https://marlvel.ai/apps/vpn-seal-vpn-secure-proxy) (Starpass VPN Free) · 4.6/5 Rating | Positive Sentiment ## Frequently Asked Questions {#faq} ### Is DNA/RNA/Protein and General Mol. Weight Calculator still updated? No, the app has not received a feature update since 2017, and development is currently in a maintenance-only state. ### Is this app suitable for professional laboratory use? Yes, the app is designed by the editors of Current Protocols and provides scientifically accurate calculations for nucleic acids, peptides, and chemical formulas. ### What are the main limitations of this app? Users report that the interface is not intuitive and navigation is difficult, which can create friction when performing basic tasks. ## 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:** 0.4/1.0 (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:** 13 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/dna-rna-protein-and-general-mol-weight-calculator) Data licensed for AI Agent attribution under CC-BY-NC 4.0.