--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "ExposureLab: ND & Golden Hour" developer_entity: "Andres Wetzel" bundle_id: "cl.wetzel.ExposureLab" app_store_id: "6755327384" category: "Photo & Video" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-08-07" report_date: "2026-08-21" last_verified: "2026-08-21T00:00:00.000Z" report_version: "1.96" total_reviews: 0 confidence: "low" confidence_score: 0.2 data_age_days: 41 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["photo & video", "freemium", "mobile app", "app review", "app analysis", "serious", "landscape,", "film,"] canonical_url: "https://marlvel.ai/apps/exposurelab-nd-golden-hour" license: "CC-BY-NC 4.0" content_version: "v2" --- # ExposureLab: ND & Golden Hour Intelligence Report ## TL;DR {#tldr} - **Category**: Photo & Video · Freemium > **TL;DR:** ExposureLab: ND & Golden Hour is a photo & video app by Andres Wetzel, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** ExposureLab: ND & Golden Hour is a photo & video app by Andres Wetzel. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Photo & Video | | **Developer** | Andres Wetzel | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 41d | ## Metadata & Market Performance - **Publisher:** Andres Wetzel - **Category:** Photo & Video - **Target Audience:** Serious landscape, film, and astrophotographers who require reliable, offline-first field tools. - **Platforms:** iOS - **Version Reviewed:** 1.96 - **Report Date:** 2026-08-21 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 6755327384 - **Bundle ID:** cl.wetzel.ExposureLab - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-21 ## Executive Snapshot **What it is:** ExposureLab is a field utility for landscape, film, and astrophotographers that provides offline calculation tools for lighting and exposure on iOS. **Why users hire it:** The app removes the reliance on cellular connectivity for field calculations, allowing photographers to work in remote locations without interruption. ## App DNA (Features & Intent) - **[Differentiator] Golden Hour Planner:** Calculates precise solar phase times including blue hour, golden hour, and twilight based on GPS coordinates. - **[Standard] ND Filter Calculator:** Computes shutter speeds for stacked ND filters with integrated countdown timer and vibration alerts. * *User Intent:* Users want timely prompts to stay engaged without missing updates. - **[Differentiator] Film Reciprocity Calculator:** Provides exposure correction formulas for 70 professional film stocks with integrated timer. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} ExposureLab occupies a specialized niche in the Photo & Video category by prioritizing offline functionality over cloud-dependent features. The absence of public ratings suggests the app is in an early growth phase, requiring targeted community engagement to establish its market footprint. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with core tools and limited presets, Pro tier as a one-time purchase for full library and unlimited presets - **Analysis:** Monetization relies on a one-time purchase model, positioning ExposureLab as a permanent utility for professional photographers rather than a recurring subscription service. ## SWOT Analysis {#swot} **Core Strengths:** - Offline-first architecture removes connectivity dependency - One-time purchase model avoids subscription fatigue **Growth Levers:** - Targeted outreach to film photography communities - Expansion of film stock library to capture niche users ## Recent Changes (v2 → v3) {#recent-changes} ExposureLab has pivoted from a passive maintenance cycle to an active growth strategy, specifically targeting the acquisition of public ratings to overcome a lack of social proof. **Overall trend**: Stable **Compared at**: 2026-08-21 ### High-impact changes - **[Shifted] Weakness Identification** (swot) ### Medium-impact changes - **[Added] New Growth Opportunity** (swot) - **[Shifted] Market Footprint Narrative** (positioning) ## What's New - **Latest (v1.96, 1 weeks ago):** Resolved calculator crashes and improved Golden Hour notification reliability. ## App Momentum (Maintenance) {#momentum} - Ships maintenance updates for stability - Last major release August 2026 > **Cadence:** 1 total versions · 0 majors in last 6 months · 13 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} ExposureLab: ND & Golden Hour is a photo & video app that is free with in-app purchases. > **Bottom Line:** ExposureLab’s offline-first utility creates a defensible position for field photographers, but the lack of public sentiment data suggests a need for targeted community outreach to build the social proof required for broader adoption. **Best for:** Serious landscape, film, and astrophotographers who require reliable, offline-first field tools. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Implement in-app prompts to request reviews because public rating count is zero → increase social proof ### Outlook: Stable The market for specialized photography utilities is shifting toward offline-first reliability as photographers increasingly seek tools that function in remote environments. ExposureLab is well-positioned to capture this segment, provided it can convert its technical utility into visible social proof to drive discovery. - ⚪ The current maintenance-only cadence suggests a stable feature set, allowing the developer to focus on long-term utility rather than rapid iteration. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **ExposureLab: ND & Golden Hour** (this app) | N/A/5 | N/A | Andres Wetzel | | [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:** Andres Wetzel - **Website:** [https://andreswb.github.io/ExposureLab-app-site/#home](https://andreswb.github.io/ExposureLab-app-site/#home) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/exposurelab-nd-golden-hour/id6755327384?uo=4) - **Dev Site:** [Official Website](https://andreswb.github.io/ExposureLab-app-site/#home) - **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 - [*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 - [*프로카메라 - 고화질 카메라로 바로 편집*](https://marlvel.ai/apps/cswpd-procamera) (SuWon Choi) · N/A Rating ## Frequently Asked Questions {#faq} ### Does ExposureLab require an internet connection to work? No, ExposureLab is designed to work fully offline, ensuring reliability in remote locations without cellular or WiFi access. ### Is ExposureLab a subscription-based app? No, ExposureLab uses a one-time purchase model for its Pro tier, meaning there are no recurring subscription fees. ### What film stocks are supported in the reciprocity calculator? The app supports 70 professional film stocks, including popular options like Kodak Portra, Ilford HP5, and CineStill 400D. ## 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:** 41 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/exposurelab-nd-golden-hour) Data licensed for AI Agent attribution under CC-BY-NC 4.0.