--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "CardBase: Trading Card Prices" developer_entity: "Bobby O'Brien" bundle_id: "app.getcardbase" app_store_id: "6791565301" category: "Finance" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-07-23" report_date: "2026-08-15" last_verified: "2026-08-15T00:00:00.000Z" report_version: "1.1" total_reviews: 3 overall_rating: 5 confidence: "low" confidence_score: 0.2 data_age_days: 1 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["finance", "free", "mobile app", "app review", "app analysis", "trading", "collectors", "professional"] canonical_url: "https://marlvel.ai/apps/cardbase-trading-card-prices" license: "CC-BY-NC 4.0" content_version: "v2" --- ## ⚠ Content Warning This report covers topics classified as sensitive (finance). Information is aggregated from public sources for informational purposes only. This is not financial or investment advice. Always do your own research. --- # CardBase: Trading Card Prices Intelligence Report ## TL;DR {#tldr} - **Category**: Finance · Free - **Signal**: Rating 5 > **TL;DR:** CardBase: Trading Card Prices is a finance app by Bobby O'Brien, rated 5/5 by 3 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** CardBase: Trading Card Prices is a finance app by Bobby O'Brien. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (3 reviews) | | **Category** | Finance | | **Developer** | Bobby O'Brien | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 1d | ## Metadata & Market Performance - **Publisher:** Bobby O'Brien - **Category:** Finance - **Target Audience:** Trading card collectors and professional vendors who need to track cost basis, manage inventory, and verify market prices for graded and raw cards. - **Platforms:** iOS - **Version Reviewed:** 1.1 - **Report Date:** 2026-08-15 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 6791565301 - **Bundle ID:** app.getcardbase - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-15 ## Executive Snapshot **What it is:** CardBase is a portfolio management app for trading card collectors and vendors on iOS that tracks market prices and profit margins. **Why users hire it:** Collectors and vendors need to calculate true cost basis across multiple trades, a friction point that CardBase removes by chaining purchase prices to final sale values. ## App DNA (Features & Intent) - **[Differentiator] Trade Chain Cost Basis:** Calculates and carries forward original purchase prices through multiple trades to determine true margin. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Differentiator] Slab Scanning:** Uses camera to identify grader, grade, and certification number for major slab types. - **[Differentiator] Show P&L Tracking:** Logs sales and trades during events to generate a final profit and loss report. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} CardBase operates in the finance category, providing specialized inventory analytics for the trading card market. The app currently maintains a 5.0 rating based on a small sample of 3 reviews, reflecting early-stage adoption. ## Monetization Strategy - **Model:** Free - **Tiers:** Free access to all features - **Analysis:** CardBase operates as a free tool with no visible subscription or IAP gates, focusing on user acquisition and data collection. ## SWOT Analysis {#swot} **Core Strengths:** - Trade-chain cost basis logic enables precise margin tracking for professional vendors. - Aggregated pricing data from major graders provides a unified market view. **Growth Levers:** - Integrating direct peer-to-peer transaction tools would increase daily utility for vendors. - Expanding the show calendar to include digital-only card events could broaden the user base. ## App Momentum (Maintenance) {#momentum} - Ships updates at ~3-week cadence. - No new feature builds recently. > **Cadence:** 1 total versions · 0 majors in last 6 months · 22 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} CardBase: Trading Card Prices is a finance app that is completely free. It holds a 5/5 rating from 3 reviews. > **Bottom Line:** CardBase's trade-chain cost basis tracking provides a clear advantage for professional vendors, but the lack of an integrated transaction loop limits its long-term retention potential. Prioritizing a direct transaction path would unlock the value of the inventory data already being tracked. **Best for:** Trading card collectors and professional vendors who need to track cost basis, manage inventory, and verify market prices for graded and raw cards. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship direct peer-to-peer transaction tools because the current inventory-tracking focus lacks a conversion loop → increase daily active usage ### Outlook: Stable The trading card analytics market is consolidating around tools that bridge the gap between inventory management and marketplace execution. CardBase is well-positioned to capture professional vendor interest if it can transition from a tracking tool to a transaction-enabled platform. - ⚪ The current maintenance-mode update cadence suggests a focus on stability rather than aggressive feature expansion, which may slow user growth. - 🟢 The trade-chain cost basis feature addresses a specific, high-value problem for vendors, creating a defensible niche against generalist price trackers. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 3 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **CardBase: Trading Card Prices** (this app) | 5/5 | N/A | Bobby O'Brien | | [Polymarket](https://marlvel.ai/apps/polymarket) | 4.1/5 | n/a | Polymarket | | [ATLAS:EARTH - Fun Cashback!](https://marlvel.ai/apps/atlas-earth-fun-cashback) | 4.4/5 | n/a | Atlas Reality, Inc. | | [Fidelity Investments](https://marlvel.ai/apps/fidelity-investments) | 4.5/5 | n/a | Fidelity Investments | | [Kalshi: Trade Events & Sports](https://marlvel.ai/apps/kalshi-trade-news-sports) | 4.8/5 | n/a | KalshiEX LLC | | [Webull: Investing & Trading](https://marlvel.ai/apps/webull-investing-trading) | 4.6/5 | n/a | Webull Technologies Pte. Ltd. | ## Company Profile - **Developer:** Bobby O'Brien - **Website:** [https://getcardbase.app/](https://getcardbase.app/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/cardbase-trading-card-prices/id6791565301?uo=4) - **Dev Site:** [Official Website](https://getcardbase.app/) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*Polymarket*](https://marlvel.ai/apps/polymarket) (Polymarket) · 4.1/5 Rating - [*ATLAS:EARTH - Fun Cashback!*](https://marlvel.ai/apps/atlas-earth-fun-cashback) (Atlas Reality, Inc.) · 4.4/5 Rating - [*Fidelity Investments*](https://marlvel.ai/apps/fidelity-investments) (Fidelity Investments) · 4.5/5 Rating - [*Kalshi: Trade Events & Sports*](https://marlvel.ai/apps/kalshi-trade-news-sports) (KalshiEX LLC) · 4.8/5 Rating - [*Webull: Investing & Trading*](https://marlvel.ai/apps/webull-investing-trading) (Webull Technologies Pte. Ltd.) · 4.6/5 Rating - [*코인원 - 가상자산 거래소(비트코인, 이더리움, 테더)*](https://marlvel.ai/apps/coinone-co-kr-official) (Coinone) · 3.1/5 Rating - [*다트맨 - 전자공시 푸시알림*](https://marlvel.ai/apps/com-coreasset-stockhunter) (ORBIS Investment Advisors Co., Ltd.) · 2.1/5 Rating - [*디지로카(롯데카드)*](https://marlvel.ai/apps/com-lcacapp) (lottecard) · 2.5/5 Rating - [*บเรนนี่ เงินสด*](https://marlvel.ai/apps/com-finance-rennycorpoth) (RENNY CORPORATION COMPANY LIMITED) · N/A Rating - [*ศรีสวัสดิ์*](https://marlvel.ai/apps/com-srisawad-mobileapplications) (Srisawad Power 2014 Company Limited) · 3.8/5 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:** 1 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/cardbase-trading-card-prices) Data licensed for AI Agent attribution under CC-BY-NC 4.0.