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.
App Overview
8 Ball Pool™
Do you want to play in the world of pool games? 8 Ball Pool is an addictive challenging game based on real 3D pool games, where you will challenge your friends online
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
4,772,459 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 included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
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
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for 8 Ball Pool™: 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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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 a skill-based matchmaking system to ensure balanced games.
Assumption to check: Inconsistent matchmaking leading to unfair games
Validate with people who use this workflow before building.
Hypothesis 2
Offer an ad-free experience for a premium subscription.
Assumption to check: Frequent ads interrupt gameplay
Validate with people who use this workflow before building.
Hypothesis 3
Enhance friend interactions with chat and game invites.
Assumption to check: Limited social features for friends
Validate with people who use this workflow before building.
Hypothesis 4
Provide clear descriptions of what each purchase offers and ensure they are worth the price.
Assumption to check: In-app purchases can be misleading
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
Do you want to play in the world of pool games? 8 Ball Pool is an addictive challenging game based on real 3D pool games, where you will challenge your friends online. Become a master of the pool! The game 8 Ball Pool is easy to win. You just have to select the pool table and get ready. Join us and challenge your friends to this ball game in PvP mode. Use your pool strategy with the cue wisely in this online multiplayer ball game as every round will be more difficult after each level. You can play in multiplayer or PvP mode in different pool tables. Become the best pool player and challenge your friends in this pool game! You can play pool in multiplayer or PvP mode using different balls and table types. 8 Ball Pool is designed to help your intelligence. You will improve the aim when shooting balls with the cue. CHALLENGE YOUR FRIENDS Playing pool in multiplayer tournaments with friends is easy: Sign in for free with your Miniclip or Facebook account and you’ll be able to challenge your friends straight from this multiplayer 8 ball game. Challenge friends to a PvP pool match on the go. Aim and shoot your best balls with a customized cue in our online 3D PvP tournament! PLAY FOR POOL COINS AND WIN EXCLUSIVE ITEMS Customize your cue and pool table! In every competitive PvP match you play in our league, there’ll be Pool Coins at stake – win the match and the Coins are yours. You can also buy new items in the Pool Shop. Compete in our 3D multiplayer league and become a master of 8 balls in 3D! The 8 Ball level system means you’re always facing challenging players in the 8 ball league. Play multiplayer 8 Ball Pool to increase your ranking in our pool league and get access to more exclusive 8 Ball Pool match locations, where you play and compete against the best online pool players. 8 Ball Pool has different match levels: It doesn't matter if you're an amateur or a pro player, take your chance in our PvP competitions with your friends and other players and win the pool challenge: Aim with the cue and prove your skills in this free 8 ball online tournament. *This 8 Ball Pool game requires internet connection. This game includes optional in-game purchases (includes random items). Play on the Web at miniclip.com/pool TERMS AND CONDITIONS: http://www.miniclip.com/terms-and-conditions PRIVACY POLICY: http://www.miniclip.com/privacy ------------------------------------ Miniclip: http://www.miniclip.com Like 8 Ball Pool: http://on.fb.me/Wx4f23 Facebook: http://facebook.com/miniclip Twitter: http://twitter.com/miniclip
Written user reviews are not shown here. Check current App Store reviews >
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
Advanced
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.
