--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "CardIndex: Card Scanner" developer_entity: "Kantei Technologies Inc." bundle_id: "co.cardindex.ios.app" app_store_id: "6779786610" category: "Shopping" primary_platform: "ios" primary_monetization: "Free" offline_capable: true market_region: "US" platforms: "iOS" app_last_updated: "2026-08-09" report_date: "2026-08-31" last_verified: "2026-08-31T00:00:00.000Z" report_version: "1.0.6" total_reviews: 13 overall_rating: 5 sentiment: "Thrilled" sentiment_score: 90 confidence: "medium" confidence_score: 0.6 top_praise_theme: "Rapid image recognition technology allows users to scan entire card collections in just a few minutes" top_complaint_theme: "Minor interface quirks persist following the latest update and require further refinement for smoother navigation" review_sample_size: 7 total_review_count: 7 analyzed_review_count: 7 data_age_days: 31 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["shopping", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "pokémon", "collectors,", "investors,"] canonical_url: "https://marlvel.ai/apps/cardindex-card-scanner" license: "CC-BY-NC 4.0" content_version: "v2" --- # CardIndex: Card Scanner Intelligence Report ## TL;DR {#tldr} - **Category**: Shopping · Free - **Signal**: Rating 5 · Sentiment Thrilled - **Recent focus**: Minor interface quirks persist following the latest update and require further refinement for smoother navigation (top complaint) · Rapid image recognition technology allows users to scan entire card collections in just a few minutes (top praise) > **TL;DR:** CardIndex: Card Scanner is a shopping app by Kantei Technologies Inc., rated 5/5 by 13 users, with Thrilled user sentiment (90/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** CardIndex: Card Scanner maintains Thrilled user sentiment (5/5 from 13 reviews), with users consistently praising rapid image recognition technology allows users to scan entire card collections in just a few minutes. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (13 reviews) | | **User Mood** | Thrilled | | **Category** | Shopping | | **Developer** | Kantei Technologies Inc. | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Medium (0.6/1.0) | | **Data Age** | 31d | ## Metadata & Market Performance - **Publisher:** Kantei Technologies Inc. - **Category:** Shopping - **Target Audience:** Pokémon card collectors, investors, and professional sellers who require real-time market data and automated grading estimates. - **Platforms:** iOS - **Version Reviewed:** 1.0.6 - **Report Date:** 2026-08-31 - **Signal Count:** 7 reviews analyzed - **Confidence:** Medium (0.6/1.0) - **App Store ID (iOS):** 6779786610 - **Bundle ID:** co.cardindex.ios.app - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-31 ## Executive Snapshot **What it is:** CardIndex is a mobile utility for Pokémon card collectors that uses on-device camera recognition to identify, grade, and price cards instantly. **Why users hire it:** Collectors use CardIndex to eliminate the time-intensive manual process of researching fair market values for individual cards and graded slabs. ## App DNA (Features & Intent) - **[Differentiator] On-device Card Scanner:** Uses camera to identify Pokémon cards and graded slabs instantly, including offline functionality. * *User Intent:* Users want uninterrupted access without internet dependency. - **[Differentiator] AI Grade Estimation:** Analyzes card condition via photo input to provide estimated PSA, BGS, and CGC grades with visual breakdowns. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] Marketplace Data Aggregation:** Aggregates completed sales data from eBay and major auction houses to calculate fair market value. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. ## Market Position {#market-position} CardIndex operates in the Shopping category, maintaining a 5.0-star rating across 13 total ratings. The current free-to-use strategy positions it as a high-utility entry point for collectors, though it lacks the established revenue streams of mature marketplace-integrated tools. ## Monetization Strategy - **Model:** Free - **Tiers:** Free to use - **Analysis:** CardIndex is currently free to use, focusing on user acquisition and data aggregation to build a comprehensive market intelligence platform. ## 🟢 User Sentiment (Medium Confidence: 7 of 7 reviews analyzed) {#user-sentiment} - **Overall Rating:** 5/5 - **Platform Split:** iOS 5.0/5 (13 ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **Rapid image recognition technology allows users to scan entire card collections in just a few minutes** - **Accurate market data integration provides reliable price checks for collectors at physical card trading events** - **Generous free tier allows users to track portfolios and find deals without mandatory subscription costs** ### Top Complaints (Impact Areas) - **Minor interface quirks persist following the latest update and require further refinement for smoother navigation** ## SWOT Analysis {#swot} **Core Strengths:** - On-device scanning enables offline utility - AI-driven grading provides instant condition analysis **Growth Levers:** - Sports card support expands addressable market ## Recent Changes (v2 → v3) {#recent-changes} CardIndex has initiated a strategic pivot toward monetization, moving from a free-to-use acquisition model to a planned freemium structure for advanced analytics. This shift addresses the long-term sustainability concerns previously identified in the product roadmap. **Overall trend**: Stable **Compared at**: 2026-08-31 ### High-impact changes - **[Shifted] Freemium Transition** (pricing) ### Medium-impact changes - **[Shifted] Professional-Grade Positioning** (positioning) - **[Shifted] Competitive Threat Update** (swot) ## What's New - **Latest (v1.0.6, 3 weeks ago):** Expanded scanner with Pitch Black and Japanese Storm Emeralda modes and added an in-app feedback channel via the profile menu. ## App Momentum (Maintenance) {#momentum} - Shipped support for new card expansions. - Added in-app feedback channel. > **Cadence:** 1 total versions · 1 majors in last 6 months · 22 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} CardIndex: Card Scanner is a market-leading shopping app that is completely free. With a 5/5 rating from 13 reviews, it delivers strong user satisfaction. > **Bottom Line:** CardIndex's on-device scanning mechanism provides a defensible utility for collectors, but the current free-to-use model must transition to a sustainable monetization layer to justify the ongoing costs of market data aggregation. **Best for:** Pokémon card collectors, investors, and professional sellers who require real-time market data and automated grading estimates. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Implement a freemium tier for advanced analytics because current free-to-use model lacks revenue -> increase LTV ### Outlook: Stable The hobbyist market for card tracking is consolidating around tools that offer both speed and accuracy. CardIndex is well-positioned to capture this segment if it can successfully convert its current user base into a sustainable revenue stream before larger marketplace incumbents integrate similar scanning technology. - 🟢 The latest release added support for new expansions, demonstrating a consistent maintenance cadence that keeps the scanner relevant for active collectors. - ⚪ User feedback remains positive regarding the scanning speed, though minor interface quirks persist as the primary friction point for daily users. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 13 | | Sentiment | Thrilled (90/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **CardIndex: Card Scanner** (this app) | 5/5 | Thrilled | Kantei Technologies Inc. | | [Best Buy: Tech Deals & Savings](https://marlvel.ai/apps/best-buy-tech-deals-savings) | 4.9/5 | n/a | Best Buy Co., Inc. | | [Groupon - Local Deals Near Me](https://marlvel.ai/apps/groupon-local-deals-near-me) | 4.8/5 | Excited | Groupon, Inc. | | [Koupon: Real Deals & Codes](https://marlvel.ai/apps/koupon-real-deals-codes) | 4.8/5 | Mixed | Koupon Inc. | | [Vinted: Pre-loved marketplace](https://marlvel.ai/apps/vinted-shop-sell-pre-loved) | 4.6/5 | Excited | Vinted Limited | | [바로딜 - 실시간 쇼핑 검색어 트렌드](https://marlvel.ai/apps/real-time-shopping-trends) | N/A/5 | N/A | hippieperm | ## Company Profile - **Developer:** Kantei Technologies Inc. - **Website:** [https://www.cardindex.co](https://www.cardindex.co) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/cardindex-card-scanner/id6779786610?uo=4) - **Dev Site:** [Official Website](https://www.cardindex.co) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*Best Buy: Tech Deals & Savings*](https://marlvel.ai/apps/best-buy-tech-deals-savings) (Best Buy Co., Inc.) · 4.9/5 Rating - [*Groupon - Local Deals Near Me*](https://marlvel.ai/apps/groupon-local-deals-near-me) (Groupon, Inc.) · 4.8/5 Rating | Positive Sentiment - [*Koupon: Real Deals & Codes*](https://marlvel.ai/apps/koupon-real-deals-codes) (Koupon Inc.) · 4.8/5 Rating - [*Vinted: Pre-loved marketplace*](https://marlvel.ai/apps/vinted-shop-sell-pre-loved) (Vinted Limited) · 4.6/5 Rating | Positive Sentiment - [*바로딜 - 실시간 쇼핑 검색어 트렌드*](https://marlvel.ai/apps/real-time-shopping-trends) (hippieperm) · N/A Rating - [*모구모 - 일본을 스마트하게 즐기다*](https://marlvel.ai/apps/app--287) (GEONJU CHOI) · N/A Rating - [*카쇼라 스튜디오*](https://marlvel.ai/apps/app--798) (Kakao Corp.) · N/A Rating - [*두란노몰*](https://marlvel.ai/apps/app--973) (Duranno) · N/A Rating - [*번개장터*](https://marlvel.ai/apps/net-quicket-app) (Pic&Go) · 4.4/5 Rating - [*배민상회 - 외식업 식자재 종합몰*](https://marlvel.ai/apps/com-woowahan-baeminmart) (WoowaBrothers) · 3.5/5 Rating ## Frequently Asked Questions {#faq} ### Is CardIndex free to use? Yes, CardIndex is currently free to use, focusing on user acquisition and building a comprehensive market intelligence platform for collectors. ### Does CardIndex work offline? Yes, CardIndex uses on-device recognition to identify Pokémon cards and graded slabs instantly, allowing for scanning without an active internet connection. ### What card types does CardIndex support? CardIndex currently supports Pokémon cards and graded slabs from PSA, BGS, CGC, and SGC. Support for sports cards is planned for future updates. ### How does CardIndex determine card value? CardIndex calculates fair market value using completed sales data from eBay and major auction houses, rather than relying on inflated asking prices. ## 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:** 0.6/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 7 - **Data Sources:** user reviews, developer website, company about page, 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:** 31 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/cardindex-card-scanner) Data licensed for AI Agent attribution under CC-BY-NC 4.0.