App Overview

Arena Club: Sports & TCG Card icon

Arena Club: Sports & TCG Card

Arena Club · Sports

Arena Club transforms how you collect, grade, buy, sell, and store your favorite sports and TCG cards

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.5
2,665 ratings · Top 15%

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 included18 files

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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Free quick prompt For a smaller starting point

Quick prompt

> SELECT BUILD PLATFORM:

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

// RORK SYSTEM PROMPT
Rork plan preview for Arena Club: Sports & TCG Card: map the core Sports workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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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.

Hypothesis 1

Add community features like forums or chat.

Assumption to check: Limited user engagement features

Validate with people who use this workflow before building.

Hypothesis 2

Optimize app performance across devices.

Assumption to check: Inconsistent performance on older devices

Validate with people who use this workflow before building.

Hypothesis 3

Simplify navigation and improve layout.

Assumption to check: User interface can be cluttered

Validate with people who use this workflow before building.

Hypothesis 4

Integrate more payment gateways for flexibility.

Assumption to check: Limited payment options for in-app purchases

Validate with people who use this workflow before building.

App evidence

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

App Store description

Arena Club transforms how you collect, grade, buy, sell, and store your favorite sports and TCG cards. Discover your favorite athlete’s sports card & your favorite TCG cards through Slab Packs. Collect soccer cards, football cards, baseball cards, basketball cards, Star Wars, Disney, Pokémon cards, and more on our digital marketplace with real, physical collectibles. Users can now unbox luxury watches with our NEW limited release Time Boxes with authenticated timepieces. Access digital Slab Packs, manage your graded collection, and trade instantly in the Arena Club marketplace - all from your phone. Now with limited release time boxes for luxury watches. Download and start collecting today! NEW - TIME BOX FOR LUXURY WATCHES - Unboxluxury watches with limited drops. - Each timepiece comes fully authenticated and is safely stored in the Arena Club Vault - Discover watches by Rolex, Cartier, Breitling, IWC, Tissot and more. SLAB PACKS: RIP DIGITAL PACKS, GET REAL GRADED TCG CARDS Unlock Slab Packs with authentic, graded cards across baseball, football, basketball, soccer, Pokémon, Star Wars, Lorcana, and more. • Slab Packs contain fully authenticated, graded cards stored securely after opening. • Let Arena Club buy back your revealed card instantly or list it for sale or trade on the marketplace. • Ship your card directly to your door, or keep it in your digital showroom. DIGITAL SHOWROOM FOR TRADING CARD COLLECTING Customize your card collecting digital showroom you can access anytime. • View and organize your collection. • Showcase standout pieces in a clean, mobile-friendly gallery. • Share, sort, sell, or ship cards with one tap. COLLECT CARDS & ENJOY A LIVE MARKET FOR INSTANT BUYING, SELLING & TRADING Card trading becomes fast and frictionless with a marketplace built for collectors - by collectors. • Trading cards are authenticated and securely stored in the Arena Club vault. • Buy, sell, or trade instantly in Arena Club’s marketplace. • Live marketplace allows you to trade within the community with transparent pricing and conditions. ADVANCED GRADING TECHNOLOGY WITH AI FOR TRADING CARDS Arena Club card grading provides consistent, accurate evaluations supported by advanced AI with human oversight. • Submit raw trading cards for grading directly through the app. • Review detailed grading breakdowns for full transparency. • Newly graded cards are added instantly to your showroom or shipped to you. SECURE, INSURED VAULTING TCGs can be collected & stored with confidence. • Your sports cards, collectible cards, and other TCGs are protected in a fully insured, 24/7 monitored, climate-controlled vault. • No storage fees and no space limits. • Manage your vaulted items digitally in your showroom and ship them anytime. • Simplified transactions with zero physical handling needed. LIVE MARKETPLACE INSIGHTS Track and manage your collection with live data. • Know the fair market value of your cards. • Use filters to find exactly what you want. AVAILABLE CARD TYPES TO COLLECT & TRADE Collectors can browse, trade, sell, or grade a wide range of trading card games and sports cards: • Baseball cards (MLB) • Soccer cards • Football cards (NFL) • Basketball cards (NBA) • Pokémon TCG cards • Disney cards • Star Wars cards • Lorcana cards • One Piece cards • And more! BUILT BY COLLECTORS, FOR COLLECTORS Access smoother card collecting that’s more transparent with Arena Club. Whether you’re chasing big hits, submitting cards for grading, or managing a growing collection of cards, Arena Club has everything in one streamlined mobile experience. JOIN THE ARENA CLUB COMMUNITY TODAY Download the Arena Club app today and start showcasing your card collections in your very own digital showroom. Whether you’re a seasoned collector or just starting, Arena Club offers the best platform to enhance your collecting experience. We welcome you to a new way of collecting with Arena Club!

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Screenshots

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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
React Native
Expo
Supabase
Zustand
React Navigation
React Native Reanimated
BUILD KIT DIFFICULTY
Expert

From the Build Kit assessment.

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.