App Overview

XCardTracker icon

XCardTracker

Donnie Slavens · Sports

Built for sports card sellers

$2.99

PRICE
$2.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 ratings · Top 5%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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What's included

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

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App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

Screenshots

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App Store description

Built for sports card sellers. XCardTracker helps you track every card from purchase through sale without relying on spreadsheets. Add cards quickly with photo-assisted scanning, organize inventory by seller and status, track what you paid versus current comp, record selling costs, and know your real profit when a card sells. Track Your Inventory Keep card details, grading information, certification numbers, photos, acquisition cost, current comps, and status organized in one place. Scan Card Details Use on-device text recognition to help identify card information from graded slabs and raw cards, reducing repetitive data entry. Understand Your Buying Position See Paid % of Comp and set your own Target Comp % to estimate a more realistic inventory value instead of assuming every card will sell at 100% of comp. Track Real Profit Record sale price, selling fees, shipping, and other expenses. XCardTracker calculates gross profit, net profit, and ROI automatically. Manage the Full Card Lifecycle Follow cards from In Stock and Listed through Sold, Shipped, and Completed. Multiple Sellers Maintain separate inventory and performance for multiple sellers, with dashboards and leaderboards that make it easy to see results. Share Your Inventory Create polished PDF inventory reports by status and share them using the iPhone share sheet. Simple, Seller-Focused Tracking XCardTracker is built for collectors and sellers who want to know what they own, what they paid, what it’s worth, and what they actually made. Track every card. Know every profit.

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
BUILD KIT DIFFICULTY

Not assessed in a Build Kit yet.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.