--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Grocery Shopping List: ListDuo" developer_entity: "Eisberg Labs d.o.o" bundle_id: "app.kupovina" app_store_id: "6504158461" category: "Productivity" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: true market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-10-14" report_date: "2026-10-24" last_verified: "2026-10-24T00:00:00.000Z" report_version: "3.2.97" total_reviews: 0 confidence: "low" confidence_score: 0.2 data_age_days: 22 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["productivity", "freemium", "mobile app", "app review", "app analysis", "families,", "couples,", "roommates"] canonical_url: "https://marlvel.ai/apps/shared-grocery-list-listduo" license: "CC-BY-NC 4.0" content_version: "v2" --- # Grocery Shopping List: ListDuo Intelligence Report ## TL;DR {#tldr} - **Category**: Productivity · Freemium > **TL;DR:** Grocery Shopping List: ListDuo is a productivity app by Eisberg Labs d.o.o, available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Grocery Shopping List: ListDuo is a productivity app by Eisberg Labs d.o.o. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Productivity | | **Developer** | Eisberg Labs d.o.o | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 22d | ## Metadata & Market Performance - **Publisher:** Eisberg Labs d.o.o - **Category:** Productivity - **Target Audience:** Families, couples, and roommates who require a shared, real-time grocery list that functions reliably in offline store environments. - **Platforms:** iOS & Android - **Version Reviewed:** 3.2.97 - **Report Date:** 2026-10-24 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 6504158461 - **Bundle ID:** app.kupovina - **Google Play ID:** app.kupovina - **Data Window:** Analysis based on signals collected up to 2026-10-24 ## Executive Snapshot **What it is:** ListDuo is a shared grocery and household checklist app for families and couples on iOS and Android. **Why users hire it:** It removes the friction of mandatory account creation and connectivity requirements, allowing users to start lists locally and sync them when back online. ## App DNA (Features & Intent) - **[Differentiator] Offline-first Synchronization:** Local-first data storage allows list editing without internet, with background sync triggered upon reconnection. * *User Intent:* Users want uninterrupted access without internet dependency. - **[Standard] Voice Assistant Integration:** Direct integration with Siri and Alexa for hands-free item entry. - **[Standard] Interactive Widgets:** Home screen and lock screen widgets allow item checking without launching the app. ## Market Position {#market-position} ListDuo competes in the productivity space by prioritizing offline utility over the cloud-dependent models of its rivals. The current freemium structure targets high-frequency household users, though the 17+ content rating on iOS may limit its reach among younger family segments. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier includes 5 lists, 1 shared user, 10 photos, and 15 categories, Pro tier removes all usage limits and ads - **Analysis:** The freemium model gates storage and sharing capacity behind a Pro subscription to monetize high-frequency household users. ## SWOT Analysis {#swot} **Core Strengths:** - Offline-first architecture ensures utility in low-connectivity retail environments - Voice assistant integration reduces capture friction for recurring household tasks **Growth Levers:** - Expanding the current 33-language support could capture high-ARPU markets where localized grocery tools are scarce ## What's New - **Latest (v3.2.95, 1 weeks ago):** Introduced a new design and enabled offline access without requiring a sign-in. ## App Momentum (Maintenance) {#momentum} - Shipped redesigned UI and offline support. - Removed mandatory account creation requirement. - Maintained ~91-day update cadence. > **Cadence:** 3 total versions · 2 majors in last 6 months · 10 days since last update · 91 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Grocery Shopping List: ListDuo is a productivity app that is free with in-app purchases. > **Bottom Line:** ListDuo's offline-first architecture secures core household utility, but the restrictive free tier limits the viral growth needed to compete with established category leaders. Adjusting the sharing limits would unlock higher household retention. **Best for:** Families, couples, and roommates who require a shared, real-time grocery list that functions reliably in offline store environments. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Adjust iOS content rating because the current 17+ rating creates friction for family adoption → increase install velocity ### Outlook: Stable The household productivity market is consolidating around tools that offer seamless multi-user collaboration. ListDuo's focus on offline reliability provides a defensible niche, but the current maintenance-mode release cadence leaves it exposed to rivals with more frequent feature updates. - 🟢 The latest release introduced offline access without mandatory sign-in, which directly addresses the primary friction point for new users. - ⚪ The current 91-day update cadence suggests a maintenance-mode posture rather than aggressive feature expansion, limiting the ability to outpace rivals. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Grocery Shopping List: ListDuo** (this app) | N/A/5 | N/A | Eisberg Labs d.o.o | | [HitWave](https://marlvel.ai/apps/ciendor-applications-hitwave) | 2.5/5 | Mixed | Ciendor Holdings Corp. LTD | | [ChatGPT](https://marlvel.ai/apps/chatgpt) | 4.8/5 | n/a | OpenAI OpCo, LLC | | [VPN 360: Fast & Secure Proxy](https://marlvel.ai/apps/co-infinitysoft-vpn360) | 4.5/5 | Mixed | Pango GmbH | | [VPN - Super Unlimited Proxy](https://marlvel.ai/apps/vpn-super-unlimited-proxy) | 4.7/5 | Thrilled | Mobile Jump Pte Ltd | | [Bookmarks - Send To Self](https://marlvel.ai/apps/bookmarks-send-to-self) | 4.4/5 | Excited | GILI | ## Company Profile - **Developer:** Eisberg Labs d.o.o - **Website:** [https://www.listduo.net](https://www.listduo.net) - **Social:** [Instagram](https://www.instagram.com/listduo) · [Facebook](https://www.facebook.com/listduoapp) · [YouTube](https://www.youtube.com/@ListDuoApp) ## Data Sources & Links - **App Store ID:** 6504158461 - **Google Play ID:** app.kupovina - **Dev Site:** [Official Website](https://www.listduo.net) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*HitWave*](https://marlvel.ai/apps/ciendor-applications-hitwave) (Ciendor Holdings Corp. 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Yes, ListDuo offers a free tier that includes 5 lists, 1 shared user, 10 photos, and 15 categories. Pro features, which remove these limits and ads, are available via subscription. ### Does ListDuo work without an internet connection? Yes, ListDuo is designed as an offline-first app. You can add and check off items while offline, and the app will sync your changes automatically once your connection returns. ### Can I use ListDuo with my family? Yes, ListDuo is built for sharing. You can send an invite link to partners or roommates to collaborate on lists in real time. ### What is the difference between ListDuo and other grocery list apps? ListDuo differentiates itself with an offline-first architecture that works in low-connectivity areas and allows users to start lists without mandatory account creation. ## 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:** 22 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/shared-grocery-list-listduo) Data licensed for AI Agent attribution under CC-BY-NC 4.0.