--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "アナログ露出計 Light Meter" developer_entity: "Tadao Nishijima" bundle_id: "com.vertepomme.LightMeter398N" app_store_id: "6744314839" category: "Photo & Video" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-08-16" report_date: "2026-09-17" last_verified: "2026-09-17T00:00:00.000Z" report_version: "1.1.4" total_reviews: 0 confidence: "low" confidence_score: 0.05 data_age_days: 13 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["photo & video", "free", "mobile app", "app review", "app analysis", "photography", "enthusiasts", "users"] canonical_url: "https://marlvel.ai/apps/light-meter" license: "CC-BY-NC 4.0" content_version: "v2" --- # アナログ露出計 Light Meter Intelligence Report ## TL;DR {#tldr} - **Category**: Photo & Video · Free > **TL;DR:** アナログ露出計 Light Meter is a photo & video app by Tadao Nishijima, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** アナログ露出計 Light Meter is a photo & video app by Tadao Nishijima. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Photo & Video | | **Developer** | Tadao Nishijima | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 13d | ## Metadata & Market Performance - **Publisher:** Tadao Nishijima - **Category:** Photo & Video - **Target Audience:** Film photography enthusiasts and users of manual cameras seeking a digital tool to calculate exposure settings. - **Platforms:** iOS - **Version Reviewed:** 1.1.4 - **Report Date:** 2026-09-17 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 6744314839 - **Bundle ID:** com.vertepomme.LightMeter398N - **Data Window:** Analysis based on signals collected up to 2026-09-17 ## Executive Snapshot **What it is:** アナログ露出計 Light Meter is a manual exposure calculation utility for film photography enthusiasts on iOS. **Why users hire it:** The app removes the need for carrying dedicated hardware by simulating a classic analog meter interface on the user's phone. ## App DNA (Features & Intent) - **[Differentiator] Analog-style Exposure Meter:** Visualizes light metering data using a simulated analog dial interface - **[Standard] ISO Sensitivity Adjustment:** Allows manual input of ISO values via on-screen buttons to calibrate light readings - **[Standard] Metering Mode Selection:** Toggles between evaluative, partial, and spot metering modes for precise light calculation ## Market Position {#market-position} アナログ露出計 Light Meter occupies a niche utility space in the Photo & Video category, currently operating as a free, maintenance-mode tool. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is currently offered as a free utility with no visible in-app purchase or subscription gates. ## SWOT Analysis {#swot} **Core Strengths:** - Analog-style interface mimics classic hardware workflows **Growth Levers:** - Localized marketing toward film photography communities ## What's New - **Latest (v1.1.4, 1 months ago):** Updated App Store product page copy for improved clarity; no functional changes to the app. ## App Momentum (Maintenance) {#momentum} - Updated store copy last month. - Maintenance-mode development cadence. > **Cadence:** 1 total versions · 0 majors in last 6 months · 31 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} アナログ露出計 Light Meter is a photo & video app that is completely free. > **Bottom Line:** Maintaining the current analog-focused design will retain the core film photography audience, but the lack of functional updates risks stagnation against more active competitors. **Best for:** Film photography enthusiasts and users of manual cameras seeking a digital tool to calculate exposure settings. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Audit user feedback to identify missing manual features because the app is in maintenance mode → improve retention ### Outlook: Stable The market for specialized film photography utilities is stable but sensitive to the update cadence of competing tools. アナログ露出計 Light Meter remains advantaged by its specific design focus, but the lack of functional updates may eventually lead to user churn if competitors offer better integration with modern iOS features. - ⚪ The latest release focused solely on store copy, indicating a maintenance-mode posture rather than active feature expansion. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **アナログ露出計 Light Meter** (this app) | N/A/5 | N/A | Tadao Nishijima | | [AI Catch: AI Video Generator](https://marlvel.ai/apps/com-prominent-aicatch) | 4.4/5 | n/a | Prominent Fortune PTE. LTD | | [AI Video Editor・Trim, Compress](https://marlvel.ai/apps/ai-video-editor-trim-compress) | N/A/5 | N/A | Ankitbhai Jivani | | [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 | | [Instagram](https://marlvel.ai/apps/instagram) | 4.3/5 | n/a | Instagram, Inc. | ## Company Profile - **Developer:** Tadao Nishijima - **Website:** [https://vertepomme.com/](https://vertepomme.com/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/%E3%82%A2%E3%83%8A%E3%83%AD%E3%82%B0%E9%9C%B2%E5%87%BA%E8%A8%88-light-meter/id6744314839?uo=4) - **Dev Site:** [Official Website](https://vertepomme.com/) - **Sources:** App store metadata. ## Related Intel Reports - [*AI Catch: AI Video Generator*](https://marlvel.ai/apps/com-prominent-aicatch) (Prominent Fortune PTE. LTD) · 4.4/5 Rating - [*AI Video Editor・Trim, Compress*](https://marlvel.ai/apps/ai-video-editor-trim-compress) (Ankitbhai Jivani) · N/A Rating - [*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 - [*Instagram*](https://marlvel.ai/apps/instagram) (Instagram, Inc.) · 4.3/5 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 - [*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 ## Frequently Asked Questions {#faq} ### Is アナログ露出計 Light Meter suitable for professional film photography? The app provides manual metering modes like spot and evaluative, which can assist in exposure calculation, but it relies on the iPhone's camera sensor rather than dedicated light-metering hardware. ### Does the app require a subscription? No, the app is currently offered as a free utility with no visible in-app purchase or subscription gates. ### What are the alternatives for manual exposure metering? Users can consider other light meter apps in the Photo & Video category, though many offer different interface styles compared to the analog-dial design found here. ## 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:** 13 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/light-meter) Data licensed for AI Agent attribution under CC-BY-NC 4.0.