--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "GonioCam – Goniometer & ROM" developer_entity: "Johann Brockstedt" bundle_id: "app.brock.goniocam" app_store_id: "6797952866" category: "Health & Fitness" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-09-29" report_date: "2026-09-30" last_verified: "2026-09-30T00:00:00.000Z" report_version: "1.5" total_reviews: 0 confidence: "low" confidence_score: 0.05 data_age_days: 40 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["health & fitness", "freemium", "mobile app", "app review", "app analysis", "physical", "therapists", "medical"] canonical_url: "https://marlvel.ai/apps/goniocam-goniometer-rom" 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. --- # GonioCam – Goniometer & ROM Intelligence Report ## TL;DR {#tldr} - **Category**: Health & Fitness · Freemium > **TL;DR:** GonioCam – Goniometer & ROM is a health & fitness app by Johann Brockstedt, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** GonioCam – Goniometer & ROM is a health & fitness app by Johann Brockstedt. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Health & Fitness | | **Developer** | Johann Brockstedt | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 40d | ## Metadata & Market Performance - **Publisher:** Johann Brockstedt - **Category:** Health & Fitness - **Target Audience:** Physical therapists and medical professionals requiring a portable, privacy-focused tool for range-of-motion assessment and patient documentation. - **Platforms:** iOS - **Version Reviewed:** 1.5 - **Report Date:** 2026-09-30 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 6797952866 - **Bundle ID:** app.brock.goniocam - **Data Window:** Analysis based on signals collected up to 2026-09-30 ## Executive Snapshot **What it is:** GonioCam is a digital goniometer for iOS that calculates joint angles from photos using landmark selection and neutral-zero notation. **Why users hire it:** The app removes the need for manual goniometers in clinical settings, providing a portable and privacy-focused method for tracking patient range-of-motion progress over time. ## App DNA (Features & Intent) - **[Standard] Digital Goniometer:** Calculates joint angles from photos using three-point landmark selection and neutral-zero notation. - **[Differentiator] Patient Documentation:** Manages patient records, side-by-side comparisons, and progress tracking charts. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] On-Device Processing:** Performs all pose detection locally without cloud connectivity, reinforcing privacy for sensitive patient data. * *User Intent:* Users expect seamless access across multiple devices. ## Market Position {#market-position} GonioCam operates in the Health & Fitness category as a specialized clinical utility. The current release cadence focuses on maintenance, with the latest update resolving duplicate entry bugs to ensure data integrity for professional users. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free: Unlimited measurements and photo analysis, Pro: Unlimited patient records, progress charts, and PDF exports - **Analysis:** The freemium model gates professional documentation and reporting features while keeping the core measurement tool free to maximize user base. ## SWOT Analysis {#swot} **Core Strengths:** - On-device processing ensures clinical data privacy - Neutral-zero notation aligns with clinical standards **Growth Levers:** - Automated point suggestion reduces measurement time - PDF reporting justifies professional subscription value ## What's New - **Latest (v1.5, today):** Resolved a bug where adjusting measurements created duplicate entries in the list and patient records. ## App Momentum (Maintenance) {#momentum} - Resolved duplicate patient record bug. - Maintains stable maintenance-only release cadence. > **Cadence:** 2 total versions · 0 majors in last 6 months · 0 days since last update · 30 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} GonioCam – Goniometer & ROM is a health & fitness app that is free with in-app purchases. > **Bottom Line:** GonioCam provides a privacy-first utility that effectively serves the clinical documentation gap, but the lack of formal medical device certification restricts its use in high-stakes diagnostic workflows. **Best for:** Physical therapists and medical professionals requiring a portable, privacy-focused tool for range-of-motion assessment and patient documentation. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Refine automated landmark suggestion because it reduces manual effort per measurement → increase professional retention ### Outlook: Stable The market for digital clinical tools is shifting toward data-secure, on-device solutions. GonioCam is well-positioned to capture this segment by prioritizing local processing, though it must navigate the limitations of being a non-certified tool to maintain long-term professional trust. - ⚪ The latest release focuses on maintenance, indicating a stable but non-aggressive development cadence for the current quarter. - 🟢 The privacy-focused, offline-only architecture aligns with increasing clinical demand for data-minimization, positioning GonioCam well against cloud-dependent rivals. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **GonioCam – Goniometer & ROM** (this app) | N/A/5 | N/A | Johann Brockstedt | | [Mind - Méditations guidées](https://marlvel.ai/apps/mind-m-ditations-guid-es) | 4.6/5 | Excited | MIND AND CIE | | [evolum - Meditation & Yoga](https://marlvel.ai/apps/evolum-meditation-yoga) | 4.7/5 | Excited | Rodger Studio (Apps) | | [FAMHLTH: Family Health Tracker](https://marlvel.ai/apps/famhlth-family-health-tracker) | N/A/5 | N/A | Quinton Nixon | | [GoTall - Height Predictor](https://marlvel.ai/apps/gotall-height-predictor) | 4.6/5 | Mixed | Grow Labs LLC | | [Lunara: Cycle, Symptom Tracker](https://marlvel.ai/apps/lunara-cycle-symptom-tracker) | N/A/5 | N/A | Fuzhou Jiku Technology Co., Ltd. | ## Company Profile - **Developer:** Johann Brockstedt ## Data Sources & Links - **App Store ID:** 6797952866 - **Sources:** App store metadata. ## Related Intel Reports - [*Mind - Méditations guidées*](https://marlvel.ai/apps/mind-m-ditations-guid-es) (MIND AND CIE) · 4.6/5 Rating | Positive Sentiment - [*evolum - Meditation & Yoga*](https://marlvel.ai/apps/evolum-meditation-yoga) (Rodger Studio (Apps)) · 4.7/5 Rating | Positive Sentiment - [*FAMHLTH: Family Health Tracker*](https://marlvel.ai/apps/famhlth-family-health-tracker) (Quinton Nixon) · N/A Rating - [*GoTall - Height Predictor*](https://marlvel.ai/apps/gotall-height-predictor) (Grow Labs LLC) · 4.6/5 Rating - [*Lunara: Cycle, Symptom Tracker*](https://marlvel.ai/apps/lunara-cycle-symptom-tracker) (Fuzhou Jiku Technology Co., Ltd.) · N/A Rating - [*Ovulation Predictor*](https://marlvel.ai/apps/ovulation-predictor) (RAHI PATEL) · 1.0/5 Rating - [*SpeechPacer*](https://marlvel.ai/apps/speechpacer) (Felix Thron) · 1.0/5 Rating - [*Taller AI: Height Maximizer*](https://marlvel.ai/apps/taller-ai-height-maximizer) (Leadimize) · 4.7/5 Rating | Positive Sentiment - [*나만의 짐, 나만의 운동공간이 필요할 때*](https://marlvel.ai/apps/this-is-a-web-service-that-allows-you-to-reserve-a) (lvher) · N/A Rating - [*하이타이 - 최저가 마사지, 스웨디시, 타이마사지 할인*](https://marlvel.ai/apps/kr-co-apptube-hitai2) (앱튜브(AppTube)) · 4.7/5 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:** 0.05/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 40 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/goniocam-goniometer-rom) Data licensed for AI Agent attribution under CC-BY-NC 4.0.