## ⚠ 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. --- --- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Card Centering & Grading Tool" developer_entity: "WarthogLab" bundle_id: "com.warthoglab.gradeon" app_store_id: "6751225884" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-02-14" report_date: "2026-04-15" report_version: "1.2.0" total_reviews: 8 overall_rating: 4.25 confidence: "low" confidence_score: 0.05 data_age_days: 10 intelligence_version: 2 tags: ["utilities", "free", "mobile app", "app review", "app analysis", "trading", "sports", "collectors"] canonical_url: "https://marlvel.ai/intel-report/utilities/card-centering-grading-tool" license: "CC-BY-NC 4.0" --- # Card Centering & Grading Tool App Audit > **TL;DR:** Card Centering & Grading Tool is a utilities app by WarthogLab, rated 4.25/5 by 8 users, available on iOS. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Card Centering & Grading Tool is a utilities app by WarthogLab. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.25/5 (8 reviews) | | **Category** | Utilities | | **Developer** | WarthogLab | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 10d | ## Metadata & Market Performance - **Publisher:** WarthogLab - **Category:** Utilities - **Target Audience:** Trading and sports card collectors seeking to estimate professional grading outcomes. - **Platforms:** iOS - **Version Audited:** 1.2.0 - **Audit Date:** 2026-04-15 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 6751225884 - **Bundle ID:** com.warthoglab.gradeon - **Data Window:** Analysis based on signals collected up to 2026-04-15 ## Executive Snapshot Gradeon is a utility app that helps trading and sports card collectors evaluate card centering to predict potential grades from major services like PSA, BGS, and CGC. It combines AI-powered image analysis with manual measurement tools to provide precise alignment data for various card types, including Pokémon and Magic: The Gathering. The app serves as a decision-support tool for users looking to maximize the value of their collections before professional submission. ## App DNA (Features & Intent) - **[Standard] AI-Powered Scanning:** Automatically detects and calculates card centering ratios using image uploads or camera captures. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Standard] Manual Precision Tools:** Provides adjustable measurement guides and zoom functionality for users requiring hands-on alignment verification. * *User Intent:* Users need clear guidance to understand and adopt the product quickly. - **[Standard] Grading Company Insights:** Analyzes card data to recommend which specific grading services are most likely to yield the highest scores. * *User Intent:* Users want visibility into their own performance and progress. ## Monetization Strategy - **Model:** Free ## The "So What?" (Strategic Takeaway) Card Centering & Grading Tool is an established utilities app that is completely free. With a 4.25/5 rating from 8 reviews, it shows polarized user reception. > **Bottom Line:** Gradeon provides a data-driven approach to card grading by automating centering analysis for collectors. **Best for:** Trading and sports card collectors seeking to estimate professional grading outcomes. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.25/5 | | Total Reviews | 8 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Card Centering & Grading Tool** (this app) | 4.25/5 | N/A | WarthogLab | | [Quantumult X](https://marlvel.ai/intel-report/utilities/quantumult-x) | 3.9/5 | Frustrated | Cross Utility Ltd | | [Potatso](https://marlvel.ai/intel-report/utilities/potatso) | 4.4/5 | Frustrated | Potatso Lab LTD | | [V2Box - V2ray Client](https://marlvel.ai/intel-report/utilities/v2box-v2ray-client) | 4.5/5 | Mixed | techlaim | | [Free VPN by Free VPN .org™](https://marlvel.ai/intel-report/utilities/free-vpn-by-free-vpn-org) | 4.3/5 | Mixed | Free VPN LLC | | [Calculator# Hide Photos Videos](https://marlvel.ai/intel-report/utilities/calculator-hide-photos-videos) | 4.4/5 | N/A | NewSoftwares.net | ## Company Profile - **Developer:** WarthogLab - **Website:** [https://warthoglab.com/](https://warthoglab.com/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/card-centering-grading-tool/id6751225884?uo=4) - **Dev Site:** [Official Website](https://warthoglab.com/) - **Sources:** App store metadata. ## Related Intel Reports - [*Quantumult X*](https://marlvel.ai/intel-report/utilities/quantumult-x) (Cross Utility Ltd) — 3.9/5 Rating | Negative Sentiment - [*Potatso*](https://marlvel.ai/intel-report/utilities/potatso) (Potatso Lab LTD) — 4.4/5 Rating | Negative Sentiment - [*V2Box - V2ray Client*](https://marlvel.ai/intel-report/utilities/v2box-v2ray-client) (techlaim) — 4.5/5 Rating | Mixed Sentiment - [*Free VPN by Free VPN .org™*](https://marlvel.ai/intel-report/utilities/free-vpn-by-free-vpn-org) (Free VPN LLC) — 4.3/5 Rating | Mixed Sentiment - [*Calculator# Hide Photos Videos*](https://marlvel.ai/intel-report/utilities/calculator-hide-photos-videos) (NewSoftwares.net) — 4.4/5 Rating | N/A Sentiment - [*nasin sitelen Wakalito*](https://marlvel.ai/intel-report/utilities/nasin-sitelen-wakalito) (Theodore Dubois) — 3.8/5 Rating | N/A Sentiment - [*Rizz AI Chat Coach: Grizzly AI*](https://marlvel.ai/intel-report/utilities/grizzly-ai-gen-z-message-coach) (Tetiana Oliinyk) — 4.7/5 Rating | N/A Sentiment - [*Translate Snap Scan Translator*](https://marlvel.ai/intel-report/utilities/translate-snap-scan-translator) (Nayer AbuAlSoud) — 4.3/5 Rating | Mixed Sentiment - [*Avoiding Happy Belated*](https://marlvel.ai/intel-report/utilities/avoiding-happy-belated) (Shriansh Shrivastava) — N/A Rating | N/A Sentiment - [*Scale for grams - weight scale*](https://marlvel.ai/intel-report/utilities/scale-for-grams-weight-scale) (Dung Vu) — 4.7/5 Rating | N/A Sentiment ## Methodology This report was generated by Marlvel.ai's 3-stage AI intelligence pipeline: 1. **Feature & Positioning Extraction** — Analyzes app metadata, developer website content, and version history to identify key features, target audience, and competitive positioning. 2. **Sentiment Analysis** — Processes user reviews (minimum 5 reviews required) to extract praise themes, complaint themes, and overall sentiment with evidence quotes. 3. **Intelligence Synthesis** — Combines stages 1 & 2 with App Store rankings to produce SWOT analysis, executive summary, and actionable insights. - **Confidence Score:** 0.05/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 10 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/utilities/card-centering-grading-tool) Data licensed for AI Agent attribution under CC-BY-NC 4.0.