--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Negative Lab - Film Inverter" developer_entity: "振山 董" bundle_id: "com.marsgroup.NegativeLab" app_store_id: "6784098295" category: "Photo & Video" primary_platform: "ios" primary_monetization: "Paid" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-07-22" report_date: "2026-09-10" last_verified: "2026-09-10T00:00:00.000Z" report_version: "1.0.0" total_reviews: 0 confidence: "low" confidence_score: 0.2 data_age_days: 21 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["photo & video", "paid", "mobile app", "app review", "app analysis", "analog", "photography", "enthusiasts"] canonical_url: "https://marlvel.ai/apps/negative-lab-film-inverter" license: "CC-BY-NC 4.0" content_version: "v2" --- # Negative Lab - Film Inverter Intelligence Report ## TL;DR {#tldr} - **Category**: Photo & Video · Paid > **TL;DR:** Negative Lab - Film Inverter is a photo & video app by 振山 董, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Negative Lab - Film Inverter is a photo & video app by 振山 董. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Photo & Video | | **Developer** | 振山 董 | | **Pricing** | Paid | | **Platforms** | iOS | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 21d | ## Metadata & Market Performance - **Publisher:** 振山 董 - **Category:** Photo & Video - **Target Audience:** Analog photography enthusiasts and individuals digitizing family archives who require professional-grade negative inversion tools. - **Platforms:** iOS - **Version Reviewed:** 1.0.0 - **Report Date:** 2026-09-10 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 6784098295 - **Bundle ID:** com.marsgroup.NegativeLab - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-09-10 ## Executive Snapshot **What it is:** Negative Lab is a film negative conversion app for analog photography enthusiasts, available on iOS. **Why users hire it:** The app removes the technical friction of manual color inversion and orange mask correction, replacing expensive desktop software with a single-purchase mobile workflow. ## App DNA (Features & Intent) - **[Differentiator] Orange Mask Removal:** Automated color correction tool specifically for removing the orange base layer found on color film negatives. - **[Differentiator] Custom Preset Creation:** Users can save and reuse specific conversion settings for consistent batch processing. * *User Intent:* Users value self-expression and personalized experiences. - **[Standard] RGB Curve Controls:** Manual adjustment of red, green, and blue color channels for fine-tuning output. ## Market Position {#market-position} Negative Lab operates in the specialized film-digitization niche of the Photo & Video category. The one-time purchase model creates a clear pricing advantage against subscription-heavy competitors, though the current 50-day update gap limits its visibility in the broader app store charts. ## Monetization Strategy - **Model:** Paid - **Tiers:** Free download, One-time purchase for all advanced features - **Analysis:** The app utilizes a one-time purchase model for advanced features, explicitly rejecting subscription-based recurring revenue. ## SWOT Analysis {#swot} **Core Strengths:** - Automated orange mask removal eliminates the primary color-correction barrier for film negatives. - Custom preset management enables consistent batch processing for large analog archives. **Growth Levers:** - Localized presets for specific film stocks could capture the high-intent professional segment. - Integration with cloud storage providers would reduce the friction of digitizing large family archives. ## Recent Changes (v2 → v3) {#recent-changes} The report reflects a shift from general maintenance observations to a targeted strategy addressing specific competitive threats and workflow bottlenecks. The developer has identified cloud-sync and algorithm accuracy as the primary levers for maintaining relevance against larger photo-editing competitors. **Overall trend**: Stable **Compared at**: 2026-09-10 ### High-impact changes - **[Added] Expanded SWOT Analysis** (swot) ### Medium-impact changes - **[Added] New Opportunities Identified** (swot) - **[Shifted] Outlook Narrative Update** (positioning) ## App Momentum (Maintenance) {#momentum} - Ships bug fixes at 7-week cadence. - No feature expansion in 50 days. > **Cadence:** 1 total versions · 0 majors in last 6 months · 50 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Negative Lab - Film Inverter is a photo & video app that is a paid app. > **Bottom Line:** Negative Lab's one-time purchase model provides a strong value proposition for analog enthusiasts, but the current maintenance-mode cadence risks long-term relevance. Prioritizing cloud-sync would unlock the archive-digitization use case and differentiate the app from static, single-device tools. **Best for:** Analog photography enthusiasts and individuals digitizing family archives who require professional-grade negative inversion tools. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship cloud-sync integration because manual file management is a top friction point for archive digitization → increase retention ### Outlook: Stable The film-digitization market is consolidating around tools that offer both accuracy and workflow efficiency. Negative Lab is currently advantaged by its pricing model, but its maintenance-mode cadence leaves it exposed to competitors that offer more frequent updates and cloud-based workflows. - ⚪ The 50-day update gap suggests a maintenance-only posture, which limits the app's ability to respond to new film stock releases. - 🟢 The one-time purchase model attracts users who are fatigued by subscription-based photo editing tools, creating a stable, high-intent user base. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Paid | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Negative Lab - Film Inverter** (this app) | N/A/5 | N/A | 振山 董 | | [AI Catch: AI Video Generator](https://marlvel.ai/apps/com-prominent-aicatch) | 4.4/5 | n/a | Prominent Fortune PTE. LTD | | [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. | | [Lightroom: AI Photo Editor](https://marlvel.ai/apps/lightroom-ai-photo-editor) | 4.8/5 | Excited | Adobe Inc. | ## Company Profile - **Developer:** 振山 董 - **Website:** [https://f8a68acf.app-ads-txt.com](https://f8a68acf.app-ads-txt.com) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/negative-lab-film-inverter/id6784098295?uo=4) - **Dev Site:** [Official Website](https://f8a68acf.app-ads-txt.com) - **Sources:** Developer website content, 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 - [*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 - [*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 ## Frequently Asked Questions {#faq} ### Is Negative Lab a subscription app? No, Negative Lab uses a one-time purchase model for all advanced features, rejecting the subscription-based recurring revenue model common in other photo editing apps. ### Does Negative Lab work for color film? Yes, Negative Lab includes an automated orange mask removal tool specifically designed to correct the color base layer found on color film negatives. ### Can I save my own conversion settings? Yes, Negative Lab allows users to create and save custom presets, which is useful for maintaining consistent color profiles across batch processing. ## 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:** 21 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/negative-lab-film-inverter) Data licensed for AI Agent attribution under CC-BY-NC 4.0.