--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Hearing Number" developer_entity: "Mimi Hearing Technologies" bundle_id: "edu.jhu.ios.hearingnumber" app_store_id: "6630381789" category: "Health & Fitness" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2025-06-19" report_date: "2026-08-15" last_verified: "2026-08-15T00:00:00.000Z" report_version: "1.2.0" total_reviews: 465 overall_rating: 4.9 confidence: "low" confidence_score: 0.3 data_age_days: 46 intelligence_version: 3 tags: ["health & fitness", "free", "mobile app", "app review", "app analysis", "individuals", "seeking", "monitor"] canonical_url: "https://marlvel.ai/apps/hearing-number" 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. --- # Hearing Number Intelligence Report ## TL;DR {#tldr} - **Category**: Health & Fitness · Free - **Signal**: Rating 4.87 > **TL;DR:** Hearing Number is a health & fitness app by Mimi Hearing Technologies, rated 4.87/5 by 465 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Hearing Number is a health & fitness app by Mimi Hearing Technologies. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.87/5 (465 reviews) | | **Category** | Health & Fitness | | **Developer** | Mimi Hearing Technologies | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.3/1.0) | | **Data Age** | 46d | ## Metadata & Market Performance - **Publisher:** Mimi Hearing Technologies - **Category:** Health & Fitness - **Target Audience:** Individuals seeking to monitor their hearing health and understand the impact of sound exposure on their long-term wellness. - **Platforms:** iOS - **Version Reviewed:** 1.2.0 - **Report Date:** 2026-08-15 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.3/1.0) - **App Store ID (iOS):** 6630381789 - **Bundle ID:** edu.jhu.ios.hearingnumber - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-15 ## Executive Snapshot **What it is:** Hearing Number is a health-tracking tool that measures hearing levels at four frequencies to provide a standardized 'Hearing Number' for users on iOS. **Why users hire it:** The app removes the financial barrier to baseline hearing screening, allowing users to monitor their auditory wellness without the commercial pressure of product-recommendation engines. ## App DNA (Features & Intent) - **[Standard] 4-Frequency Hearing Test:** Measures hearing levels at four specific frequencies to calculate a PTA4 score. - **[Standard] Hearing Number Tracking:** Logs and displays historical test results to monitor changes in hearing levels over time. * *User Intent:* Users want visibility into their own performance and progress. - **[Differentiator] Hearing Wellness Education:** Provides actionable strategies based on specific Hearing Number ranges. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Hearing Number holds a 4.87-star rating across 465 reviews, establishing a high-trust position in the Health & Fitness category. Its non-commercial model differentiates it from subscription-based hearing apps, though it lacks the aggressive growth marketing of commercial rivals. ## Monetization Strategy - **Model:** Free - **Tiers:** Completely free with no advertising, in-app purchases, or product recommendations. - **Analysis:** The app operates as a non-commercial public health tool with no monetization features. ## SWOT Analysis {#swot} **Core Strengths:** - Institutional authority from Johns Hopkins Bloomberg School of Public Health. - Completely free, ad-free model removes friction for public health adoption. - Standardized PTA4 metric provides a clear, actionable health number. **Growth Levers:** - B2B partnerships with hearing-care providers for clinical referrals. - Integration with wearable health platforms to automate longitudinal tracking. ## Recent Changes (v2 → v3) {#recent-changes} The report transitioned from a general description of a hearing health tool to a focused analysis of its role as a standardized, non-commercial public health metric. This update identifies the lack of wearable health API integration as the primary barrier to long-term user retention. **Overall trend**: Stable **Compared at**: 2026-08-15 ### High-impact changes - **[Shifted] Clinical Metric Standardization** (positioning) - **[Improved] Wellness Education Differentiator** (features) ### Medium-impact changes - **[Added] Wearable Integration Opportunity** (swot) ## App Momentum (Steady) {#momentum} - Added support for four additional languages. - Extended list of supported headphones. ## The "So What?" (Strategic Takeaway) {#so-what} Hearing Number is a health & fitness app that is completely free. It holds a 4.87/5 rating from 465 reviews. > **Bottom Line:** Hearing Number's institutional trust and ad-free model effectively capture the health-conscious segment, but the lack of automated tracking integration limits long-term retention. Prioritizing wearable health API integration would unlock the longitudinal value that users currently track manually. **Best for:** Individuals seeking to monitor their hearing health and understand the impact of sound exposure on their long-term wellness. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Integrate wearable health APIs because longitudinal tracking is the primary retention driver -> increase repeat usage. ### Outlook: Stable The market for hearing wellness is shifting toward integrated, automated health monitoring. Hearing Number remains advantaged by its academic trust, but it must evolve beyond manual tracking to maintain its position against commercial apps that offer deeper hardware integration. - 🟢 High user trust driven by the non-commercial, academic origin of the app ensures consistent, organic adoption within the health-conscious segment. - ⚪ The current maintenance-only update cadence suggests a focus on stability rather than rapid feature expansion, which may limit growth against commercial rivals. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.87/5 | | Total Reviews | 465 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Hearing Number** (this app) | 4.87/5 | N/A | Mimi Hearing Technologies | | [GoTall - Height Predictor](https://marlvel.ai/apps/gotall-height-predictor) | 4.5/5 | n/a | Grow Labs LLC | | [Mind - Méditations guidées](https://marlvel.ai/apps/mind-m-ditations-guid-es) | 4.6/5 | Excited | MIND AND CIE | | [Strava: Run, Bike, Walk](https://marlvel.ai/apps/strava-run-bike-walk) | 4.7/5 | n/a | Strava, Inc. | | [Taller AI: Height Maximizer](https://marlvel.ai/apps/taller-ai-height-maximizer) | 4.7/5 | Excited | Leadimize | | [TallerTeen - Grow Taller Now](https://marlvel.ai/apps/tallerteen-grow-taller-now) | 4.7/5 | n/a | Viral App Developement LLC | ## Company Profile - **Developer:** Mimi Hearing Technologies - **Website:** [https://app.hearingnumber.org/](https://app.hearingnumber.org/) - **Social:** [X/Twitter](https://twitter.com/johnshopkinssph) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/hearing-number/id6630381789?uo=4) - **Dev Site:** [Official Website](https://app.hearingnumber.org/) - **Sources:** Developer website content, About us / company information, App store metadata. ## Related Intel Reports - [*GoTall - Height Predictor*](https://marlvel.ai/apps/gotall-height-predictor) (Grow Labs LLC) · 4.5/5 Rating - [*Mind - Méditations guidées*](https://marlvel.ai/apps/mind-m-ditations-guid-es) (MIND AND CIE) · 4.6/5 Rating | Positive Sentiment - [*Strava: Run, Bike, Walk*](https://marlvel.ai/apps/strava-run-bike-walk) (Strava, Inc.) · 4.7/5 Rating - [*Taller AI: Height Maximizer*](https://marlvel.ai/apps/taller-ai-height-maximizer) (Leadimize) · 4.7/5 Rating | Positive Sentiment - [*TallerTeen - Grow Taller Now*](https://marlvel.ai/apps/tallerteen-grow-taller-now) (Viral App Developement LLC) · 4.7/5 Rating - [*Activity Tracker・FitnessView*](https://marlvel.ai/apps/activity-tracker-fitnessview) (Funn Media, LLC) · 4.0/5 Rating - [*Avatran Soul*](https://marlvel.ai/apps/avatran-soul) (Avatran GmbH) · N/A Rating - [*Bubblic: Connect with people.*](https://marlvel.ai/apps/bubblic-connect-with-people) (Bubblic Inc.) · 4.6/5 Rating | Positive Sentiment - [*evolum - Meditation & Yoga*](https://marlvel.ai/apps/evolum-meditation-yoga) (Evolum) · 4.7/5 Rating | Positive Sentiment - [*Holoholo: Daily Memories*](https://marlvel.ai/apps/holoholo-daily-memories) (For Pedestrians LLC.) · 4.4/5 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:** 0 - **Data Sources:** 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:** 46 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/hearing-number) Data licensed for AI Agent attribution under CC-BY-NC 4.0.