App Overview

Coin Master icon

Coin Master

Moon Active · Games

Join your Facebook friends and millions of players around the world for prize-winning spins as you build village after village on your journey to the top!

Free · In-app purchases

OVERALL US RANK
#70
Grossing · all categories
REVENUE (Est)
$608K/mo
$339K - $877K
RATING
★ 4.8
1,380,267 ratings · Top 5%

Evidence scope: #70 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 Coin Master: 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

Join your Facebook friends and millions of players around the world for prize-winning spins as you build village after village on your journey to the top! Do you have what it takes to be the next Coin Master? Get ready to team up with friends for thrilling expeditions or join forces with a crew of fellow players. You’ll always find a new adventure with an ever-changing lineup of special events, packed with unique challenges and exciting surprises to keep you on your toes! Spin and Attack! Spin the wheel to discover your fortune- or attack friends' villages and steal their coins to help build your own! You can also win gold sacks to build magnificent villages throughout the game and advance through thousands of levels. Don't forget to win shields from the wheel too—you'll need them to guard your village from other players trying to attack you back! Become the Coin Master with the most impressive villages and the most incredible prizes! Embark on Fun Expeditions with Friends! Earning coins from the prize wheel isn’t the only way to gather resources—you can find them on exciting expeditions too! Team up with friends to journey to other villages and uncover treasures that will help you build and advance to the next level. You never know what wonders you'll find in the next world you explore! Collect all the Cards! It's not always about the coins; it's about the treasure too! Collecting cards completes sets and unlocks the next village in your grand adventure. With thousands of villages to create and build, each completed set is a step forward in your journey. With every village you master, your wins will be even greater. Play and Create Teams with Friends! Trade your cards with our online community to collect them all! Join our fast-growing interactive Facebook community to meet new friends, create your dream team, earn big rewards, and trade treasures to help each other build and progress faster! Coin Master is free on all devices with in-app purchases Coin Master is intended for amusement purposes only and does not offer ‘real money’ gambling, or an opportunity to win real money or real prizes based on game play. Coin Master does not require payment to download and play, but it also allows you to purchase virtual items with real money inside the game. You can disable in-app purchases in your device’s settings. Follow Coin Master on Facebook and Instagram for exclusive offers and bonuses! Facebook: facebook.com/coinmaster Instagram: instagram.com/coinmasterofficial/ Terms of Service: https://static.moonactive.net/legal/terms.html?lang=en Privacy Notice: https://static.moonactive.net/legal/privacy.html?lang=en Questions about the game? Our support is ready and waiting at: https://support.coinmastergame.com/ IGRS Rating: +18

Written user reviews are not shown here. Check current App Store reviews >

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 an ad-free premium experience.

Assumption to check: Frequent ads interrupt gameplay

Validate with people who use this workflow before building.

Hypothesis 2

Enhance friend interaction with chat and gifting.

Assumption to check: Limited social interaction features

Validate with people who use this workflow before building.

Hypothesis 3

Introduce varied game modes and challenges.

Assumption to check: Repetitive gameplay over time

Validate with people who use this workflow before building.

Hypothesis 4

Provide clearer explanations and benefits for in-app purchase options.

Assumption to check: Difficulty in understanding in-app purchases

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
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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.