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
Hole Em All: Collect Master
Hole Em All: Collect Master – Your relaxing black hole puzzle game
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
37,302 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 included19 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.
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 Hole Em All: Collect 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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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
Incorporate varied levels and challenges to keep players engaged.
Assumption to check: Repetitive gameplay can lead to boredom.
Validate with people who use this workflow before building.
Hypothesis 2
Add multiplayer or co-op modes for competitive play.
Assumption to check: Limited social interaction features.
Validate with people who use this workflow before building.
Hypothesis 3
Implement a better ad management system with options to remove ads.
Assumption to check: Ads can disrupt gameplay experience.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce customizable skins or power-ups to enhance player experience.
Assumption to check: Lack of customization options for avatars or holes.
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
Hole Em All: Collect Master – Your relaxing black hole puzzle game Your Mission: Swallow, Collect & Relax Think fast - Move smart. Guide a tiny black hole to eat little objects around you first,watch it grow big enough to swallow all target items before time runs out. The better your strategy, the faster you win those hole puzzle challenges! Seeking comforting gameplay or a more competitive thrill? Hole Em All delivers the perfect mix of black hole adventure, full of oddly satisfying physics and fun for everyone! What make this black hole game so fun • Team up with friends or other hole games lovers to chat, share gifts, and earn bonuses together • Compete in limited-time challenges, black hole tournaments to become the ultimate black hole master • Climb the leaderboard in a solo or team adventures with your crew • Join frequent special events packed with surprises & rewards in the hole game • Customize your style: Unlock new hole skins, exciting themes, and cool effects Hole Em All is the ultimate black hole puzzle experience for fans of hole games, built for pure joy and smooth fun—whether you're on a quick break or diving into for a full chill session. So go ahead, settle in, slide a black hole across creative maps, spot target items, and absorb them all! If you love brain-teasing puzzles, vivid visuals, and satisfying fun, Hole Em All is your next favorite in the world of hole games. Ready to swallow your boredom? Grab your black hole and let the black hole game puzzle feast begin!
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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
React Navigation
Axios
Lottie for React Native
Firebase for Authentication
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.
