--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "KelvinCam: Light Meter" developer_entity: "JAMES STINSON RADCLIFF" bundle_id: "com.jimiradcliff.kelvincam" app_store_id: "6772284884" category: "Photo & Video" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-07-07" report_date: "2026-08-23" last_verified: "2026-08-23T00:00:00.000Z" report_version: "1.4" total_reviews: 1 overall_rating: 5 confidence: "low" confidence_score: 0.2 data_age_days: 39 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["photo & video", "freemium", "mobile app", "app review", "app analysis", "professional", "photographers", "cinematographers"] canonical_url: "https://marlvel.ai/apps/kelvincam-light-meter" license: "CC-BY-NC 4.0" content_version: "v2" --- # KelvinCam: Light Meter Intelligence Report ## TL;DR {#tldr} - **Category**: Photo & Video · Freemium - **Signal**: Rating 5 > **TL;DR:** KelvinCam: Light Meter is a photo & video app by JAMES STINSON RADCLIFF, rated 5/5 by 1 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** KelvinCam: Light Meter is a photo & video app by JAMES STINSON RADCLIFF. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (1 review) | | **Category** | Photo & Video | | **Developer** | JAMES STINSON RADCLIFF | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 39d | ## Metadata & Market Performance - **Publisher:** JAMES STINSON RADCLIFF - **Category:** Photo & Video - **Target Audience:** Professional photographers and cinematographers requiring precise, on-device lighting control. - **Platforms:** iOS - **Version Reviewed:** 1.4 - **Report Date:** 2026-08-23 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 6772284884 - **Bundle ID:** com.jimiradcliff.kelvincam - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-23 ## Executive Snapshot **What it is:** KelvinCam is a precision light meter and color temperature reader for photographers and filmmakers on iOS. **Why users hire it:** The app removes the need for expensive external light meters by processing camera feed data for exposure, tint, and contrast ratios in real time. ## App DNA (Features & Intent) - **[Differentiator] Contrast Ratio Metering:** Calculates lighting ratios in stops for key and fill lights, targeting professional cinematographers. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] Film Stock Simulation:** Applies ISO and reciprocity corrections for analog film stocks, acting as a premium-tier conversion lever. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Color Temperature and Tint Metering:** Measures Kelvin and green-magenta tint using the device camera feed, establishing category authority. ## Market Position {#market-position} KelvinCam serves a professional niche in the Photo & Video category, maintaining a 5-star rating on the iOS platform. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free base functionality, Premium features via one-time purchase - **Analysis:** The freemium model uses a one-time purchase to unlock professional-grade metering tools, avoiding recurring subscription friction. ## SWOT Analysis {#swot} **Core Strengths:** - Contrast ratio metering provides a professional-grade workflow tool that standard exposure meters lack - On-device processing ensures privacy by not storing or transmitting camera feed data **Growth Levers:** - Expanding the film stock library could capture more analog photography enthusiasts ## Recent Changes (v2 → v3) {#recent-changes} KelvinCam has pivoted its development roadmap to prioritize social sharing features over film stock library expansion to address limited organic discovery. This shift marks a transition from a purely utility-focused development cycle to one targeting professional peer-to-peer visibility. **Overall trend**: Stable **Compared at**: 2026-08-23 ### High-impact changes - **[Shifted] Roadmap Prioritization** (features) ### Medium-impact changes - **[Shifted] Focus on Social Proof** (positioning) - **[Shifted] Refined Weakness Identification** (swot) ## What's New - **Latest (v1.4, 1 months ago):** Added film stock presets with automatic reciprocity failure correction and a new contrast metering tool for calculating lighting ratios. ## App Momentum (Maintenance) {#momentum} - Shipped contrast ratio metering tool. - Added film stock reciprocity corrections. - Maintains maintenance-mode release cadence. > **Cadence:** 1 total versions · 1 majors in last 6 months · 47 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} KelvinCam: Light Meter is a photo & video app that is free with in-app purchases. It holds a 5/5 rating from 1 review. > **Bottom Line:** KelvinCam delivers high-value cinematographic tools that justify its professional positioning, but the current maintenance cadence limits its growth potential. Increasing visibility through social sharing would unlock the organic discovery necessary to scale beyond a niche user base. **Best for:** Professional photographers and cinematographers requiring precise, on-device lighting control. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship social sharing features for readings because the current snapshot history lacks external validation → increase organic discovery ### Outlook: Stable The market for professional-grade mobile photography tools is consolidating around apps that offer specialized, hardware-equivalent functionality. KelvinCam is well-positioned to capture this segment if it shifts from a maintenance cadence to a more active feature-release cycle. - 🟢 The addition of contrast ratio metering and film stock presets demonstrates a clear focus on professional cinematographer needs. - 🔴 The 47-day gap since the last update indicates a maintenance-only cadence, which may fail to keep pace with professional workflow demands. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 1 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **KelvinCam: Light Meter** (this app) | 5/5 | N/A | JAMES STINSON RADCLIFF | | [Cantina: AI Video & Characters](https://marlvel.ai/apps/is-signal-ios) | 4.8/5 | N/A | Cantina, Inc | | [CapCut: Photo & Video Editor](https://marlvel.ai/apps/capcut-photo-video-editor) | 4.1/5 | Mixed | Bytedance Pte. Ltd | | [Lightroom: AI Photo Editor](https://marlvel.ai/apps/lightroom-ai-photo-editor) | 4.8/5 | Excited | Adobe Inc. | | [Picsart AI Photo Editor, Video](https://marlvel.ai/apps/picsart-ai-photo-editor-video) | 4.3/5 | n/a | PicsArt, Inc. | | [Sora by OpenAI](https://marlvel.ai/apps/sora-by-openai) | 4.7/5 | Excited | OpenAI OpCo, LLC | ## Company Profile - **Developer:** JAMES STINSON RADCLIFF - **Website:** [https://rivotlabs.com](https://rivotlabs.com) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/kelvincam-light-meter/id6772284884?uo=4) - **Dev Site:** [Official Website](https://rivotlabs.com) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*Cantina: AI Video & Characters*](https://marlvel.ai/apps/is-signal-ios) (Cantina, Inc) · 4.8/5 Rating - [*CapCut: Photo & Video Editor*](https://marlvel.ai/apps/capcut-photo-video-editor) (Bytedance Pte. Ltd) · 4.1/5 Rating - [*Lightroom: AI Photo Editor*](https://marlvel.ai/apps/lightroom-ai-photo-editor) (Adobe Inc.) · 4.8/5 Rating | Positive Sentiment - [*Picsart AI Photo Editor, Video*](https://marlvel.ai/apps/picsart-ai-photo-editor-video) (PicsArt, Inc.) · 4.3/5 Rating - [*Sora by OpenAI*](https://marlvel.ai/apps/sora-by-openai) (OpenAI OpCo, LLC) · 4.7/5 Rating | Positive Sentiment - [*Video Star*](https://marlvel.ai/apps/com-frontierdesign-videostar) (Frontier Design Group) · 3.5/5 Rating - [*짤봇*](https://marlvel.ai/apps/blackturtle2-jjalbot-ios) (jaesung Lee) · N/A Rating - [*예쁜 사진 - 좋은 하루의 시작*](https://marlvel.ai/apps/kwonkunkun-goodmorning) (KunWoo Kwon) · N/A Rating - [*요술봉 - 배경 이미지 자동 편집, 합성, 삭제*](https://marlvel.ai/apps/cswpd-imageeditor) (SuWon Choi) · 1.0/5 Rating - [*희담필터*](https://marlvel.ai/apps/com-heedamfilter) (Seongmin Lee) · N/A Rating ## Frequently Asked Questions {#faq} ### Is KelvinCam suitable for professional film production? Yes, KelvinCam includes professional-grade tools like contrast ratio metering and film stock reciprocity correction, specifically designed for cinematographers and film photographers. ### Does KelvinCam require an internet connection to function? No, all processing happens live on the device. The app does not store, transmit, or share your camera feed data. ### What makes KelvinCam different from free light meter apps? KelvinCam offers advanced features like contrast ratio metering and specific film stock simulations, which are typically absent in basic exposure-only light meter apps. ## 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:** 0.2/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 39 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/kelvincam-light-meter) Data licensed for AI Agent attribution under CC-BY-NC 4.0.