App Overview

Clash Royale icon

Clash Royale

Supercell · Games

Enter the Arena! Build your Battle Deck and outsmart the enemy in fast real-time battles

Free · In-app purchases

OVERALL US RANK
#79
Grossing · all categories
REVENUE (Est)
$549K/mo
$303K - $794K
RATING
★ 4.6
3,885,399 ratings · Top 15%

Evidence scope: #79 is the current overall US Grossing chart position. 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 included17 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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> SELECT BUILD PLATFORM:

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

// RORK SYSTEM PROMPT
Rork plan preview for Clash Royale: map the core Games workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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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

Enter the Arena! Build your Battle Deck and outsmart the enemy in fast real-time battles. From the creators of CLASH OF CLANS comes a real-time multiplayer battle game starring your favourite Clash characters and more. Start battling against players from around the world! Clash Royale is free to download and play, however, some game items can also be purchased for real money (including random items). If you don't want to purchase game items for real money, please disable in-app purchases in your device's settings. BECOME A MASTER OF STRATEGY AND DECK BUILDING Choose unique Cards to your Battle Deck and head to the Arena for Battle! Place your Cards right and knock down the enemy King and Princesses from their Towers in a strategic and fast-paced match. COLLECT AND UPGRADE 100+ CARDS Hog Rider! Collect and upgrade 100+ Cards featuring the Clash of Clans troops, spells and defences you know and love and many others. Win battles and progress to new Arenas to unlock powerful new Cards to your collection! BATTLE YOUR WAY TO THE TOP Battle your way to the League and Global Tournaments to match against the best players in the world. Compete for glory and rewards! SEASONAL EVENTS Unlock new Seasonal items like Tower Skins, Emotes and powerful Magic Items with the Season Pass and participate in fun Challenges that put your skills to the test! JOIN A CLAN AND GO TO WAR Join or form a Clan with other players to share Cards and battle in Clan Wars for BIG rewards! See you in the Arena! The IGRS Rating for this game is 15+ ※ Notice of Access Permission: [Optional permission] Clash Royale may request permission via in game pop-ups to access your camera and send you notifications. Camera: For in-game scanning of QR codes Notifications: For sending notifications related to the game Consent is optional and you can use the app and play the game regardless of whether or not you consent. You may refuse to give consent within the game. However, certain app features may not work properly if you refuse optional access permissions"A network connection is also required. Support Are you having problems? Visit https://help.supercellsupport.com/clash-royale/en/ or contact us in game by going to Settings > Help and Support. Privacy Policy: http://supercell.com/en/privacy-policy/ Terms of Service: http://supercell.com/en/terms-of-service/ Parent’s Guide: http://supercell.com/en/parents/

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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

Implement fair matchmaking and free rewards to balance gameplay.

Assumption to check: Pay-to-win mechanics can frustrate players

Validate with people who use this workflow before building.

Hypothesis 2

Introduce more engaging mini-games while waiting.

Assumption to check: Long wait times for chests to unlock

Validate with people who use this workflow before building.

Hypothesis 3

Allow more customizations and unique strategies.

Assumption to check: Limited deck flexibility can lead to repetitive gameplay

Validate with people who use this workflow before building.

Hypothesis 4

Provide ad-free experience through premium subscription.

Assumption to check: In-app ads can disrupt gameplay

Validate with people who use this workflow before building.

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
Zustand
Axios
react-navigation
Firebase
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.