--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Duet — Offline File Transfer" developer_entity: "MICHAL DOMINIK GIZA" bundle_id: "com.majskquare.filesharer" app_store_id: "6779235365" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: true market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-06-18" report_date: "2026-08-06" last_verified: "2026-08-06T00:00:00.000Z" report_version: "1.2" total_reviews: 0 confidence: "low" confidence_score: 0.2 data_age_days: 11 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["utilities", "free", "mobile app", "app review", "app analysis", "privacy-conscious", "users", "files,"] canonical_url: "https://marlvel.ai/apps/duet-offline-file-transfer" license: "CC-BY-NC 4.0" content_version: "v2" --- # Duet — Offline File Transfer Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Free > **TL;DR:** Duet — Offline File Transfer is a utilities app by MICHAL DOMINIK GIZA, available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Duet — Offline File Transfer is a utilities app by MICHAL DOMINIK GIZA. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Utilities | | **Developer** | MICHAL DOMINIK GIZA | | **Pricing** | Free | | **Platforms** | iOS & Android | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 11d | ## Metadata & Market Performance - **Publisher:** MICHAL DOMINIK GIZA - **Category:** Utilities - **Target Audience:** Privacy-conscious users who need to move files, credentials, or authenticator seeds between devices without cloud reliance. - **Platforms:** iOS & Android - **Version Reviewed:** 1.2 - **Report Date:** 2026-08-06 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 6779235365 - **Bundle ID:** com.majskquare.filesharer - **Google Play ID:** com.majskquare.filesharer - **Performance Trend:** Mixed - **Data Window:** Analysis based on signals collected up to 2026-08-06 ## Executive Snapshot **What it is:** Duet is a privacy-focused utility for offline file, contact, and 2FA seed transfers via QR codes and local network streaming on iOS and Android. **Why users hire it:** Users hire Duet to bypass cloud-based account walls and tracking, ensuring data stays exclusively on their local network during device-to-device migration. ## App DNA (Features & Intent) - **[Differentiator] Offline QR Transfer:** Transfers small data snippets via single QR scan without network connectivity. * *User Intent:* Users want uninterrupted access without internet dependency. - **[Differentiator] Local Network Streaming:** Streams large files directly between devices over local Wi-Fi without cloud storage. * *User Intent:* Users expect seamless access across multiple devices. - **[Differentiator] 2FA Seed Migration:** Enables transfer of TOTP authenticator setup codes between devices. ## Market Position {#market-position} Duet operates as a niche utility in the Utilities category, relying on its zero-cloud privacy model to differentiate from OS-native sharing tools. The lack of a subscription tier or Pro version signals a focus on user acquisition over immediate revenue maximization. ## Monetization Strategy - **Model:** Free - **Tiers:** Free with non-personalized ads - **Analysis:** The app is entirely free with no subscriptions, monetizing via non-personalized ad inventory. ## SWOT Analysis {#swot} **Core Strengths:** - Direct local-network streaming enables high-speed transfers without cloud storage. - 2FA seed migration solves high-friction upgrade pain points. **Growth Levers:** - Enterprise-grade secure document sharing could provide a B2B distribution path. ## Recent Changes (v2 → v3) {#recent-changes} The analysis shifted from a growth-oriented perspective to a defensive stance, prioritizing OS compatibility over new feature development due to the rise of native sharing tools. **Overall trend**: Mixed **Compared at**: 2026-08-06 ### High-impact changes - **[Shifted] Competitive Outlook** (positioning) - **[Added] OS-Native Threat** (swot) ### Medium-impact changes - **[Added] Compatibility Weakness** (swot) ### Low-impact changes - **[Removed] Removed Opportunity** (swot) ## What's New - **Latest (v1.2.0, 1 months ago):** Added native 'Share to Duet' integration and prioritized file/folder sharing on the Send screen. ## App Momentum (Maintenance) {#momentum} - Ships native Share-to-Duet integration. - Quiet 48 days, maintenance mode. > **Cadence:** 2 total versions · 2 majors in last 6 months · 48 days since last update · 0 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Duet — Offline File Transfer is an utilities app that is completely free. > **Bottom Line:** Duet provides a clean, privacy-first utility for credential and file migration, but its maintenance-mode status leaves it exposed to OS-native competition, so the PM should prioritize OS compatibility to defend the existing user base. **Best for:** Privacy-conscious users who need to move files, credentials, or authenticator seeds between devices without cloud reliance. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Audit OS-level sharing integration because the 48-day update gap risks compatibility → maintain user trust ### Outlook: Stable The utility market is consolidating around OS-native sharing tools, which reduces the long-term viability of standalone transfer apps. Duet must maintain system-level integration to remain relevant, or it risks being replaced by the very platforms it operates on. - ⚪ The 48-day update gap suggests the app is in maintenance mode, which limits its ability to adapt to evolving OS sharing standards. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Mixed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Duet — Offline File Transfer** (this app) | N/A/5 | N/A | MICHAL DOMINIK GIZA | | [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies | | [Free VPN by Free VPN .org™](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) | 4.5/5 | Mixed | Free VPN LLC | | [Fusvob VPN : Super VPN 2026](https://marlvel.ai/apps/com-toplinkc-foxexcellent) | 4.4/5 | Mixed | Fuxin Technology | | [Potatso](https://marlvel.ai/apps/potatso) | 4.4/5 | n/a | Potatso Lab LTD | | [Quantumult X](https://marlvel.ai/apps/quantumult-x) | 3.8/5 | N/A | Cross Utility Ltd | ## Company Profile - **Developer:** MICHAL DOMINIK GIZA - **Website:** [https://duet-file-share.web.app/](https://duet-file-share.web.app/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/duet-offline-file-transfer/id6779235365?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.majskquare.filesharer&hl=en&gl=us) - **Dev Site:** [Official Website](https://duet-file-share.web.app/) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating - [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.5/5 Rating - [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.4/5 Rating - [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) · 4.4/5 Rating - [*Quantumult X*](https://marlvel.ai/apps/quantumult-x) (Cross Utility Ltd) · 3.8/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating - [*카톡 분석 - 오픈채팅, 카톡 채팅 분석, 통계, 검색*](https://marlvel.ai/apps/com-liger-katalkanalysispaid) (Park Sung Cheol) · N/A Rating - [*로또 황금번호 생성기*](https://marlvel.ai/apps/lotto-lottogold) (jaehwan lee) · N/A Rating - [*도사폰 (만세력 역학도구)*](https://marlvel.ai/apps/app--656) (Softchaser Company Limited) · 5.0/5 Rating - [*근로자 공수달력*](https://marlvel.ai/apps/jaehwan-worktracer) (jaehwan lee) · N/A 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:** 0.2/1.0 (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:** 11 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/duet-offline-file-transfer) Data licensed for AI Agent attribution under CC-BY-NC 4.0.