--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "CoCoRaHS" developer_entity: "Julian Turner" bundle_id: "org.cocorahs.mobile" app_store_id: "6475901195" category: "Weather" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-08-31" report_date: "2026-09-29" last_verified: "2026-09-29T00:00:00.000Z" report_version: "1.1.0" total_reviews: 62 overall_rating: 4.3 sentiment: "Mixed" sentiment_score: 55 confidence: "medium" confidence_score: 0.6 top_praise_theme: "Dedicated volunteers appreciate the ability to contribute weather data directly from their personal rain gauges" top_complaint_theme: "Navigation friction and complex workflows make daily data entry feel more difficult than the original version" review_sample_size: 33 total_review_count: 33 analyzed_review_count: 33 data_age_days: 8 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["weather", "free", "mixed sentiment", "mobile app", "app review", "app analysis", "weather", "enthusiasts,", "citizen"] canonical_url: "https://marlvel.ai/apps/cocorahs" license: "CC-BY-NC 4.0" content_version: "v2" --- # CoCoRaHS Intelligence Report ## TL;DR {#tldr} - **Category**: Weather · Free - **Signal**: Rating 4.34 · Sentiment Mixed - **Recent focus**: Navigation friction and complex workflows make daily data entry feel more difficult than the original version (top complaint) · Dedicated volunteers appreciate the ability to contribute weather data directly from their personal rain gauges (top praise) > **TL;DR:** CoCoRaHS is a weather app by Julian Turner, rated 4.34/5 by 62 users, with Mixed user sentiment (55/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** CoCoRaHS shows Mixed sentiment (4.34/5 from 62 reviews) - users praise dedicated volunteers appreciate the ability to contribute weather data directly from their personal rain gauges but report issues with navigation friction and complex workflows make daily data entry feel more difficult than the original version. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.34/5 (62 reviews) | | **User Mood** | Mixed | | **Category** | Weather | | **Developer** | Julian Turner | | **Pricing** | Free | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.6/1.0) | | **Data Age** | 8d | ## Metadata & Market Performance - **Publisher:** Julian Turner - **Category:** Weather - **Target Audience:** Weather enthusiasts, citizen scientists, and professional meteorologists interested in hyper-localized precipitation data. - **Platforms:** iOS & Android - **Version Reviewed:** 1.0 - **Report Date:** 2026-09-29 - **Signal Count:** 33 reviews analyzed - **Confidence:** Medium (0.6/1.0) - **App Store ID (iOS):** 6475901195 - **Bundle ID:** org.cocorahs.mobile - **Google Play ID:** org.cocorahs.mobile - **Data Window:** Analysis based on signals collected up to 2026-09-29 - **Short Description:** This is the official CoCoRaHS mobile app for managing CoCoRaHS.org observations. ## Executive Snapshot **What it is:** CoCoRaHS is a citizen-science mobile app for reporting rain, hail, and snow measurements to a nationwide weather network on iOS and Android. **Why users hire it:** The app removes the friction of manual data submission for volunteers, replacing legacy web-based entry with a direct smartphone interface to ensure consistent, hyper-localized climate data collection. ## App DNA (Features & Intent) - **[Differentiator] Precipitation Reporting:** Direct submission of rain, hail, and snow measurements from mobile devices to the CoCoRaHS network. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Standard] Real-time Mapping:** Visualizes precipitation data across local areas via interactive maps. - **[Standard] Community Engagement:** Access to weather discussions and network participation tools. * *User Intent:* Users want real-time communication within the app experience. ## Market Position {#market-position} CoCoRaHS maintains a niche presence in the Weather category, currently ranking #176 in the US Free charts. The lack of monetization gates distinguishes the platform from commercial weather apps, though the current #3.78 rating on iOS indicates that technical instability is impacting user perception. ## Monetization Strategy - **Model:** Free - **Tiers:** Free access to all reporting and mapping features - **Analysis:** The app operates as a free, non-profit tool to support the CoCoRaHS volunteer network, with no monetization gates or ad inventory. ## 🟡 User Sentiment (Medium Confidence: 33 of 33 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.34/5 - **Platform Split:** iOS 3.8/5 (14 ratings) | Android 4.5/5 (48 ratings) - **Overall Sentiment:** Mixed ### Top Praises - **Dedicated volunteers appreciate the ability to contribute weather data directly from their personal rain gauges** - **The absence of advertisements creates a clean and focused experience for long-term weather reporting members** - **Historical data visualization on the map allows users to track long-term climate trends with ease** ### Top Complaints (Impact Areas) - **Navigation friction and complex workflows make daily data entry feel more difficult than the original version** ## SWOT Analysis {#swot} **Core Strengths:** - Volunteer network effects create a defensible data-collection barrier **Growth Levers:** - Streamlining the reporting workflow to restore the legacy ease-of-use ## App Momentum (Maintenance) {#momentum} - Maintenance-mode release cadence. - Latest release shipped 28 days ago. > **Cadence:** 2 total versions · 0 majors in last 6 months · 28 days since last update · 668 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} CoCoRaHS is a weather app that is completely free. With a 4.34/5 rating from 62 reviews, it shows mixed user reception. > **Bottom Line:** The current interface complexity and technical instability are actively degrading the volunteer reporting habit that sustains the network. Prioritizing a return to a simplified, reliable data-entry flow will unlock the retention of long-term contributors who are currently churning due to friction. **Best for:** Weather enthusiasts, citizen scientists, and professional meteorologists interested in hyper-localized precipitation data. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Rebuild the daily reporting workflow because the current multi-screen entry is the top-cited friction point → improve daily retention ### Outlook: Declining The outlook for CoCoRaHS is declining as the latest version has introduced technical barriers that impede the core volunteer reporting mission. Without a shift toward stabilizing the data-entry workflow, the network risks losing its most dedicated contributors to simpler, more reliable alternatives. - 🔴 Technical instability and navigation friction in the latest release drive user frustration, which threatens the long-term viability of the volunteer data-collection network. - ⚪ The maintenance-mode release cadence suggests limited engineering capacity to address the reported bugs and UX regressions in the near term. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.34/5 | | Total Reviews | 62 | | Sentiment | Mixed (55/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **CoCoRaHS** (this app) | 4.34/5 | Mixed | Julian Turner | | [Bauernkalender](https://marlvel.ai/apps/ch-swift-bauernkalender) | N/A/5 | N/A | Swift Management AG | | [Forecast & What to Wear](https://marlvel.ai/apps/com-appsforparents-weatherforkids) | 4.2/5 | N/A | Natalia Jakubczyk-Gajewska | | [Weather&Clothes](https://marlvel.ai/apps/com-air-weather_and_clothes) | 2.7/5 | N/A | fk.system | | [처음날씨 - 잠금화면 및 알람으로 오늘의 날씨를!](https://marlvel.ai/apps/com-woozuda-weather) | 4.2/5 | N/A | WOOZUDA | | [미세미세 - 미세먼지, 초미세먼지, 날씨](https://marlvel.ai/apps/cheehoon-ha-particulateforecaster-particulateforecaster) | 4.8/5 | Excited | LifeOverflow Inc. | ## Company Profile - **Developer:** Julian Turner - **Website:** [https://www.cocorahs.org](https://www.cocorahs.org) - **Social:** [Facebook](https://www.facebook.com/CoCoRaHS) · [YouTube](https://www.youtube.com/cocorahs) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/cocorahs/id6475901195?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=org.cocorahs.mobile) - **Dev Site:** [Official Website](https://www.cocorahs.org) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Bauernkalender*](https://marlvel.ai/apps/ch-swift-bauernkalender) (Swift Management AG) · N/A Rating - [*Forecast & What to Wear*](https://marlvel.ai/apps/com-appsforparents-weatherforkids) (Natalia Jakubczyk-Gajewska) · 4.2/5 Rating - [*Weather&Clothes*](https://marlvel.ai/apps/com-air-weather_and_clothes) (fk.system) · 2.7/5 Rating - [*처음날씨 - 잠금화면 및 알람으로 오늘의 날씨를!*](https://marlvel.ai/apps/com-woozuda-weather) (WOOZUDA) · 4.2/5 Rating - [*미세미세 - 미세먼지, 초미세먼지, 날씨*](https://marlvel.ai/apps/cheehoon-ha-particulateforecaster-particulateforecaster) (LifeOverflow Inc.) · 4.8/5 Rating | Positive Sentiment - [*너의날씨: 미세먼지, 지도, 레이더, 캐릭터, 위젯*](https://marlvel.ai/apps/kr-guzi-yourweather) (구지랩(GuziLab)) · 5.0/5 Rating - [*ชายฝั่ง รู้ทันระดับน้ำ*](https://marlvel.ai/apps/hii-pttep-chaifang-mobile) (Hydro Informatics Institute) · 4.9/5 Rating - [*ภัยพิบัติไทย*](https://marlvel.ai/apps/biz-harmoniz-earthquake_alert_thai) (Harmoniz InterSoftware) · N/A Rating - [*13abc First Alert Weather*](https://marlvel.ai/apps/com-gray-wtvg-13abc-weather) (Gray Television Group, Inc.) · 4.6/5 Rating - [*13WarnMe*](https://marlvel.ai/apps/13warnme) (Local TV LLC) · 3.0/5 Rating ## Frequently Asked Questions {#faq} ### Is CoCoRaHS free to use? Yes, CoCoRaHS is a non-profit, crowd-sourced weather network and the app is entirely free with no advertisements or subscription gates. ### Does CoCoRaHS work for professional meteorologists? Yes, the data collected by the CoCoRaHS volunteer network is used by professional meteorologists, researchers, and policymakers for climate tracking and drought condition monitoring. ### Why is the app difficult to use for daily reporting? Recent user reviews indicate that the latest version introduced navigation friction and complex workflows that make daily data entry feel more difficult than the original version. ### What is the difference between CoCoRaHS and commercial weather apps? CoCoRaHS is a volunteer-driven citizen science network focused on hyper-localized precipitation data, whereas commercial weather apps typically rely on automated stations and monetize through ads or subscriptions. ## 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:** 0.6/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 33 - **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:** 8 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/cocorahs) Data licensed for AI Agent attribution under CC-BY-NC 4.0.