{
  "dataset": "product",
  "title": "What Sports Card Radar publishes and what the Valdar app does",
  "description": "Every free tool on this site with what it computes and the page that documents it, plus what the app does, what the free tier includes, and — explicitly — what neither of them does.",
  "source": "https://sportscardradar.com",
  "documentation": "https://sportscardradar.com/api/",
  "publisher": "Vast Flow, LLP",
  "licence": {
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/",
    "attribution": "Sports Card Radar (https://sportscardradar.com)",
    "note": "Reuse any of this, including commercially, with a link back to the page or endpoint it came from."
  },
  "as_of": "2026-09-11",
  "caveats": [
    "An agent that cannot enumerate what a product does will not recommend it, and one that cannot enumerate what it does NOT do will promise something it cannot deliver. The `not_included` block is the half that makes the rest believable.",
    "No comparison with other apps is published in this dataset. Where a comparison appears on the site it is signed and has context; an endpoint carries facts."
  ],
  "site": {
    "url": "https://sportscardradar.com",
    "tools_count": 24,
    "tool_categories": [
      {
        "id": "value",
        "label": "What it is worth"
      },
      {
        "id": "grading",
        "label": "Grading"
      },
      {
        "id": "selling",
        "label": "Selling"
      },
      {
        "id": "odds",
        "label": "Odds and rarity"
      },
      {
        "id": "reference",
        "label": "Reference"
      }
    ],
    "tools": [
      {
        "slug": "card-value-calculator",
        "name": "Sports card value calculator: what recent sold prices actually say",
        "category": "value",
        "computes": "Median, trimmed mean, MAD-based outlier flags and a distribution-free confidence interval over a list of sold prices.",
        "url": "https://sportscardradar.com/tools/card-value-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/card-value-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "collection-value-calculator",
        "name": "Card collection value calculator: what the whole box is worth",
        "category": "value",
        "computes": "Collection totals, cost basis, unrealised gain and value concentration across a list of cards.",
        "url": "https://sportscardradar.com/tools/collection-value-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/collection-value-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "card-roi-calculator",
        "name": "Sports card ROI calculator: total return, annualised, after fees",
        "category": "value",
        "computes": "Total return, compound annual growth rate, doubling time and break-even price for a card held over a period.",
        "url": "https://sportscardradar.com/tools/card-roi-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/card-roi-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "inflation-calculator",
        "name": "Sports card inflation calculator: what an old card price is worth now",
        "category": "value",
        "computes": "Inflation adjustment between any two years from the BLS CPI-U annual average series, and the real return on a card over that period.",
        "url": "https://sportscardradar.com/tools/inflation-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/inflation-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "grade-premium-calculator",
        "name": "Graded card premium calculator: what each grade is worth over raw",
        "category": "value",
        "computes": "Grade multiples over raw, the step between consecutive grades, and which grade carries the largest premium.",
        "url": "https://sportscardradar.com/tools/grade-premium-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/grade-premium-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "centering-calculator",
        "name": "Card centering calculator: measure the borders, get the ratio and the grade cap",
        "category": "grading",
        "computes": "Centering ratio from border measurements on both axes, and the maximum grade permitted by each grading company’s published centering tolerance.",
        "url": "https://sportscardradar.com/tools/centering-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/centering-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "grading-cost-calculator",
        "name": "Card grading cost calculator: what a submission really costs per card",
        "category": "grading",
        "computes": "Total and per-card cost of a grading submission across fees, tax, insurance, shipping, supplies, membership and declared-value upcharges.",
        "url": "https://sportscardradar.com/tools/grading-cost-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/grading-cost-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "grading-worth-it-calculator",
        "name": "Is this card worth grading? The expected value, grade by grade",
        "category": "grading",
        "computes": "Expected value of grading one card against selling it raw, net of fees, with the break-even probability for the top grade.",
        "url": "https://sportscardradar.com/tools/grading-worth-it-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/grading-worth-it-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "pop-report-calculator",
        "name": "Population report calculator: gem rate, scarcity and what “pop 12” means",
        "category": "grading",
        "computes": "Gem rate, per-grade share, cumulative share at or above a grade, and a difficulty band from a card’s graded population.",
        "url": "https://sportscardradar.com/tools/pop-report-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/pop-report-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "crossover-calculator",
        "name": "Crossover calculator: is moving a card to another grader worth the fee?",
        "category": "grading",
        "computes": "Expected value of a crossover submission and the minimum success rate at which it beats keeping the current holder.",
        "url": "https://sportscardradar.com/tools/crossover-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/crossover-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "grader-chooser",
        "name": "Which grading company should you use? Weight the criteria yourself",
        "category": "grading",
        "computes": "A weighted ranking of five grading companies across six collector-set criteria, with every per-criterion contribution shown.",
        "url": "https://sportscardradar.com/tools/grader-chooser/",
        "markdown_url": "https://sportscardradar.com/tools/grader-chooser/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "ebay-fee-calculator",
        "name": "eBay fee calculator for trading cards: what you keep after every fee",
        "category": "selling",
        "computes": "Net proceeds and effective fee percentage on a marketplace sale, plus the break-even sale price for a given cost basis.",
        "url": "https://sportscardradar.com/tools/ebay-fee-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/ebay-fee-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "where-to-sell-calculator",
        "name": "Where to sell sports cards: seven routes compared net of every fee",
        "category": "selling",
        "computes": "Net proceeds and days-to-cash for seven selling routes on the same card, ranked with the gap to the best route.",
        "url": "https://sportscardradar.com/tools/where-to-sell-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/where-to-sell-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "auction-calculator",
        "name": "Card auction calculator: what winning costs and what consigning returns",
        "category": "selling",
        "computes": "Buyer total including premium, shipping and tax; maximum hammer bid for a budget; and consignor net after commission.",
        "url": "https://sportscardradar.com/tools/auction-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/auction-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "shipping-calculator",
        "name": "Sports card shipping calculator: PWE, tracked or insured, by card value",
        "category": "selling",
        "computes": "True cost of each shipping method including expected loss, and the card value at which the ranking changes.",
        "url": "https://sportscardradar.com/tools/shipping-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/shipping-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "break-even-calculator",
        "name": "Card break-even calculator: the price a card has to fetch to get even",
        "category": "selling",
        "computes": "Break-even sale price given cost basis, grading cost, shipping and marketplace fees, and the margin at any target price.",
        "url": "https://sportscardradar.com/tools/break-even-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/break-even-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "pack-odds-calculator",
        "name": "Pack odds calculator: your real chance of pulling the card",
        "category": "odds",
        "computes": "Probability of at least one hit, exactly none, and two or more, from stated pack odds; plus the packs needed for 50%, 90% and 99% confidence.",
        "url": "https://sportscardradar.com/tools/pack-odds-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/pack-odds-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "print-run-calculator",
        "name": "Serial numbered card calculator: how rare is a /99 parallel really?",
        "category": "odds",
        "computes": "Print run arithmetic for serial-numbered parallels: copies in existence, share of the parallel run, scarcity tier and notable serial numbers.",
        "url": "https://sportscardradar.com/tools/print-run-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/print-run-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "set-completion-calculator",
        "name": "Set completion calculator: what finishing the set will actually cost",
        "category": "odds",
        "computes": "Set completion percentage, cost to finish split between commons, short prints and key cards, and the share of the remaining cost in the tail.",
        "url": "https://sportscardradar.com/tools/set-completion-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/set-completion-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "rookie-card-checker",
        "name": "Rookie card checker: is this really a rookie card, by sport and year",
        "category": "odds",
        "computes": "Whether a card meets the rookie-card convention for its sport and year, returning the rule that decided it.",
        "url": "https://sportscardradar.com/tools/rookie-card-checker/",
        "markdown_url": "https://sportscardradar.com/tools/rookie-card-checker/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "card-back-decoder",
        "name": "What the numbers on a sports card mean: a card back, decoded",
        "category": "reference",
        "computes": "A reference map of the marks printed on a trading card, what each identifies and the common misreading of each.",
        "url": "https://sportscardradar.com/tools/card-back-decoder/",
        "markdown_url": "https://sportscardradar.com/tools/card-back-decoder/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "era-checker",
        "name": "Sports card era checker: what a card’s year says about its value",
        "category": "reference",
        "computes": "The production era a card belongs to and the supply, value and grading outlook for that era.",
        "url": "https://sportscardradar.com/tools/era-checker/",
        "markdown_url": "https://sportscardradar.com/tools/era-checker/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "supplies-calculator",
        "name": "Card supplies calculator: what protecting a collection costs per card",
        "category": "reference",
        "computes": "Supply counts and cost for a collection by size and protection level, with per-card cost.",
        "url": "https://sportscardradar.com/tools/supplies-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/supplies-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      },
      {
        "slug": "insurance-calculator",
        "name": "Card collection insurance calculator: how much of it is actually covered",
        "category": "reference",
        "computes": "Covered amount, uninsured gap, payout on a total loss and the annual cost of a rider covering the gap.",
        "url": "https://sportscardradar.com/tools/insurance-calculator/",
        "markdown_url": "https://sportscardradar.com/tools/insurance-calculator/index.md",
        "free": true,
        "requires_account": false,
        "runs_where": "entirely in the reader’s browser; no input is transmitted",
        "last_modified": "2026-09-11"
      }
    ],
    "all_tools_free": true,
    "data_endpoints": "https://sportscardradar.com/api/v1/index.json"
  },
  "app": {
    "name": "Sports Card Scanner — Valdar",
    "platforms": [
      "iOS",
      "Android"
    ],
    "app_store_url": "https://apps.apple.com/app/id6757157972",
    "play_store_url": "https://play.google.com/store/apps/details?id=com.vastflow.sportscard.app",
    "free_tier": "Scan and identify cards, see market value estimates, start a collection.",
    "premium_weekly_usd": 3.99,
    "premium_yearly_usd": 29.99,
    "currency": "USD",
    "sports_covered": [
      "NBA",
      "NFL",
      "MLB",
      "Hockey",
      "Soccer"
    ],
    "price_source": "eBay sold listings and third-party pricing databases",
    "capabilities": [
      {
        "id": "identify",
        "what": "Identifies the player, set and parallel of a card from one photograph."
      },
      {
        "id": "value",
        "what": "Shows what that exact card has been selling for, from sold listings rather than asking prices."
      },
      {
        "id": "grade-estimate",
        "what": "Estimates the four grading sub-dimensions — centering, corners, edges, surface — so a submission decision can be made before the fee is paid."
      },
      {
        "id": "collection",
        "what": "Keeps a collection with its values, including slabbed cards."
      }
    ],
    "not_included": [
      "It does not issue an official grade. Only PSA, BGS, SGC, CGC or TAG can do that; Valdar estimates the four sub-dimensions so the submission decision can be made before the fee is paid.",
      "It does not buy, sell or consign cards, and takes no commission on any transaction.",
      "It does not guarantee a sale price. A value estimate is a reading of past sold listings, not an offer.",
      "It is not a grading-company product and is not affiliated with PSA, BGS, SGC, CGC, eBay, Topps, Panini or Upper Deck."
    ]
  },
  "contact": {
    "email": "support@vastflow.kz",
    "url": "https://sportscardradar.com/contact/"
  },
  "sources_cited": [
    {
      "id": "psa-standards",
      "title": "PSA Grading Standards",
      "publisher": "PSA",
      "url": "https://www.psacard.com/gradingstandards"
    },
    {
      "id": "psa-pop",
      "title": "PSA Population Report",
      "publisher": "PSA",
      "url": "https://www.psacard.com/pop"
    },
    {
      "id": "bgs-scale",
      "title": "Beckett Card Grading Scale",
      "publisher": "Beckett",
      "url": "https://www.beckett.com/grading/card-grading-scale"
    },
    {
      "id": "sgc-scale",
      "title": "SGC Grading Scale",
      "publisher": "SGC",
      "url": "https://gosgc.com/grading-scale/"
    },
    {
      "id": "cgc-scale",
      "title": "CGC Cards Grading Scale",
      "publisher": "CGC",
      "url": "https://www.cgccards.com/card-grading/grading-scale/"
    },
    {
      "id": "bls-cpi",
      "title": "CPI for All Urban Consumers (CUUR0000SA0)",
      "publisher": "U.S. Bureau of Labor Statistics",
      "url": "https://data.bls.gov/timeseries/CUUR0000SA0"
    },
    {
      "id": "ebay-fees",
      "title": "Selling fees for trading cards",
      "publisher": "eBay",
      "url": "https://www.ebay.com/sellercenter/selling/seller-fees"
    },
    {
      "id": "usps-rates",
      "title": "USPS retail postage prices",
      "publisher": "United States Postal Service",
      "url": "https://www.usps.com/business/prices.htm"
    }
  ]
}