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
Aim Master 8 Ball Pool Pro
Aim Master 8 Ball Pool Pro is a precision pool training app that shows you exactly where every ball will go before you shoot.
$9.99 · In-app purchases
PRICE
$9.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included16 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 Aim Master 8 Ball Pool Pro: map the core Utilities 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 detailed history tracking with visuals.
Assumption to check: Users find it hard to track their progress over time.
Validate with people who use this workflow before building.
Hypothesis 2
Add diverse training modes regularly.
Assumption to check: Limited training modes can lead to boredom.
Validate with people who use this workflow before building.
Hypothesis 3
Provide better onboarding and tutorial sections.
Assumption to check: Difficulty in understanding how to use the app features.
Validate with people who use this workflow before building.
Hypothesis 4
Clarify value of in-app purchases through better presentation.
Assumption to check: In-app purchases may confuse users.
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
Aim Master 8 Ball Pool Pro is a precision pool training app that shows you exactly where every ball will go before you shoot. Drag to aim, see full trajectory predictions including chain reactions and cushion bounces, then tap Shoot to watch the balls follow your line. The cue ball, the object balls, even multi-bounce trajectories — every path predicted by deterministic 120Hz physics. KEY FEATURES • Full trajectory prediction with cushion bounces and chain reactions • Ghost-ball preview shows the cue ball position at first contact • Max Goal solver finds the best shot automatically • Three difficulty modes: full prediction, cue-only, or first-contact only • Shot stats track every game — fewest shots, fastest win, average shots per game • Calibration page to fine-tune sensitivity, physics, and visual settings • Haptic feedback on every collision, cushion, and pocket • Designed for iPhone, fully offline, no ads, no tracking TRAINING MODES Easy: see every ball's predicted path including chain reactions Normal: see only the cue ball's predicted path with bounces Hard: see only the aim line up to first contact — for serious players PRIVACY FIRST Aim Master collects no data. Everything stays on your device. No accounts, no logins, no analytics, no tracking. Whether you're a casual player learning angles or a serious cue sports student, Aim Master 8 Ball Pool Pro turns every shot into a training opportunity.
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
Redux
React Navigation
TypeScript
Firebase
BUILD KIT DIFFICULTY
Intermediate
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.
