--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Heat Safety: Heat Index & WBGT" developer_entity: "Qvyshift LLC" bundle_id: "com.qvyshift.heat" app_store_id: "6472613736" category: "Weather" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-08-21" report_date: "2026-09-03" last_verified: "2026-09-03T00:00:00.000Z" report_version: "3.5.0" total_reviews: 2914 overall_rating: 4.6 sentiment: "Mixed" sentiment_score: 45 confidence: "high" confidence_score: 0.7 top_praise_theme: "Simple and clean graphical interface provides quick access to essential heat index and wet bulb data" top_complaint_theme: "Frequent data retrieval failures and blank screens prevent users from accessing critical heat safety information" review_sample_size: 74 total_review_count: 74 analyzed_review_count: 60 data_age_days: 29 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["weather", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "outdoor", "managers,", "youth"] canonical_url: "https://marlvel.ai/apps/heat-safety-heat-index-wbgt" license: "CC-BY-NC 4.0" content_version: "v2" --- # Heat Safety: Heat Index & WBGT Intelligence Report ## TL;DR {#tldr} - **Category**: Weather · Freemium - **Signal**: Rating 4.64 · Sentiment Mixed - **Recent focus**: Frequent data retrieval failures and blank screens prevent users from accessing critical heat safety information (top complaint) · Simple and clean graphical interface provides quick access to essential heat index and wet bulb data (top praise) > **TL;DR:** Heat Safety: Heat Index & WBGT is a weather app by Qvyshift LLC, rated 4.64/5 by 2.9K users, with Mixed user sentiment (45/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Heat Safety: Heat Index & WBGT shows Mixed sentiment (4.64/5 from 2.9K reviews) - users praise simple and clean graphical interface provides quick access to essential heat index and wet bulb data but report issues with frequent data retrieval failures and blank screens prevent users from accessing critical heat safety information. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.64/5 (2.9K reviews) | | **User Mood** | Mixed | | **Category** | Weather | | **Developer** | Qvyshift LLC | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | High (0.7/1.0) | | **Data Age** | 29d | ## Metadata & Market Performance - **Publisher:** Qvyshift LLC - **Category:** Weather - **Target Audience:** Outdoor work site managers, youth sports coaches, and laborers requiring heat-stress monitoring for occupational safety. - **Platforms:** iOS & Android - **Version Reviewed:** 3.5.0 - **Report Date:** 2026-09-03 - **Signal Count:** 74 reviews analyzed - **Confidence:** High (0.7/1.0) - **App Store ID (iOS):** 6472613736 - **Bundle ID:** com.qvyshift.heat - **Google Play ID:** com.qvyshift.heat - **Performance Trend:** Mixed - **Data Window:** Analysis based on signals collected up to 2026-09-03 - **Short Description:** Get heat index, wet bulb temperature, and forecasts for outdoor work safety. ## Executive Snapshot **What it is:** Heat Safety: Heat Index & WBGT is a weather-utility app for outdoor site managers and coaches that provides WBGT and heat index monitoring on iOS and Android. **Why users hire it:** The app removes the manual calculation friction for safety protocols by mapping National Weather Service data directly to OSHA-NIOSH and US Army risk scales. ## App DNA (Features & Intent) - **[Differentiator] WBGT and Heat Index Monitoring:** Calculates wet bulb globe temperature and heat index values using National Weather Service data. - **[Differentiator] OSHA-NIOSH and US Army Risk Scales:** Categorizes heat stress levels based on standardized occupational and military safety protocols. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Ad Removal IAP:** One-time purchase option to remove advertisements for a distraction-free interface. ## Market Position {#market-position} Heat Safety: Heat Index & WBGT occupies a specialized niche within the weather category, prioritizing occupational safety standards over general consumer forecasting. The app maintains a 4.7-star rating across 2,914 total ratings, though the 13-day update cadence suggests a maintenance-only posture. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free with occasional ads, One-time in-app purchase to remove ads - **Analysis:** The one-time purchase model targets power users who require a distraction-free safety tool without recurring subscription costs. ## 🟡 User Sentiment (High Confidence: 60 of 74 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.64/5 - **Platform Split:** iOS 4.6/5 (2.6K ratings) | Android 4.7/5 (313 ratings) - **Overall Sentiment:** Mixed ### Top Praises - **Simple and clean graphical interface provides quick access to essential heat index and wet bulb data** - **Reliable data availability helps outdoor workers and coaches maintain safety during extreme heat conditions** ### Top Complaints (Impact Areas) - **Frequent data retrieval failures and blank screens prevent users from accessing critical heat safety information** ## SWOT Analysis {#swot} **Core Strengths:** - Standardized OSHA-NIOSH and US Army risk scales provide a defensible barrier for professional safety compliance. **Growth Levers:** - Adding metric unit toggles would improve usability for international users and technical professionals. ## Recent Changes (v2 → v3) {#recent-changes} The outlook trend shifted from declining to mixed, reflecting a pivot in analyst perspective that now frames the app's maintenance-mode simplicity as a competitive advantage rather than solely a retention risk. **Overall trend**: Mixed **Compared at**: 2026-09-03 ### High-impact changes - **[Shifted] Outlook Trend** (positioning) ### Medium-impact changes - **[Shifted] Contrarian Take** (positioning) ## What's New - **Latest (v3.5.0, 2 weeks ago):** General maintenance and performance optimizations. ## App Momentum (Maintenance) {#momentum} - Ships bug fixes at 13-day cadence. - No new features in recent releases. > **Cadence:** 3 total versions · 0 majors in last 6 months · 13 days since last update · 1 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Heat Safety: Heat Index & WBGT is a weather app that is free with in-app purchases. With a 4.64/5 rating from 2.9K reviews, it shows mixed user reception. > **Bottom Line:** Reliable data access is the primary value proposition for a safety tool, and current retrieval failures undermine that core utility. Stabilizing the data pipeline will unlock the retention potential of the existing user base before further feature expansion. **Best for:** Outdoor work site managers, youth sports coaches, and laborers requiring heat-stress monitoring for occupational safety. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Audit data retrieval logic because frequent blank screens are the #1 complaint → restore reliability ### Outlook: Mixed The market for specialized occupational safety tools remains sensitive to data reliability, and Heat Safety: Heat Index & WBGT is currently failing to meet the baseline expectation of consistent uptime. If the data retrieval issues persist, the app will likely see increased churn toward more stable, general-purpose weather providers that offer similar heat index data. - 🔴 Persistent data loading failures in the latest release erode user trust, which directly threatens the app's utility as a professional safety tool. - ⚪ The 13-day maintenance cadence indicates a stable but stagnant product roadmap, limiting the ability to respond to user requests for widgets or metric toggles. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.64/5 | | Total Reviews | 2.9K | | Sentiment | Mixed (45/100) | | Confidence | High | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Mixed | | Outlook | Mixed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Heat Safety: Heat Index & WBGT** (this app) | 4.64/5 | Mixed | Qvyshift LLC | | [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:** Qvyshift LLC - **Website:** [https://www.qvyshift.com](https://www.qvyshift.com) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/heat-safety/id6472613736?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.qvyshift.heat&hl=en&gl=us) - **Dev Site:** [Official Website](https://www.qvyshift.com) - **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 Heat Safety: Heat Index & WBGT suitable for professional safety planning? Yes, the app uses standardized OSHA-NIOSH and US Army risk scales, making it a useful tool for site managers and coaches to monitor heat stress conditions. ### Does Heat Safety: Heat Index & WBGT have intrusive advertisements? The app is ad-supported with occasional ads. Users can remove these advertisements entirely through a one-time in-app purchase. ### What are the limitations of the current version? Some users report frequent data retrieval failures and blank screens, which can prevent access to critical heat safety information during peak hours. ## 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:** 0.7/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 74 - **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:** 29 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/heat-safety-heat-index-wbgt) Data licensed for AI Agent attribution under CC-BY-NC 4.0.