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
Kickoff Football 26: Be A Pro
Start Fresh This Summer!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
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'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.
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 Kickoff Football 26: Be A Pro: 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
Introduce more in-depth customization features for player appearances.
Assumption to check: Limited character customization options
Validate with people who use this workflow before building.
Hypothesis 2
Add diverse game modes and challenges to keep players engaged.
Assumption to check: Repetitive gameplay mechanics
Validate with people who use this workflow before building.
Hypothesis 3
Implement multiplayer modes and leaderboards for competitive play.
Assumption to check: Lack of social features
Validate with people who use this workflow before building.
Hypothesis 4
Design a more subtle approach to showcase premium content without disrupting gameplay.
Assumption to check: In-app purchase prompts are intrusive
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
Start Fresh This Summer! Kickoff Football 26: Be A Pro launches this summer with the most generous welcome package mobile soccer has ever seen — and a brand-new season where every manager begins on the same starting line. This is soccer the way it was meant to be played — on mobile, for everyone. BUILT FOR EVERY PHONE — UP TO 240 FPS Soccer should never lag, and your phone shouldn't hold you back. Up to 240 FPS gameplay, multiple graphics presets, and console-grade visuals — smooth on flagships, fluid on budget devices. Soccer for everyone. Optimized network performance for stable real-time matches Designed for short-session, high-intensity mobile play. A BRAND-NEW SEASON STARTS THIS SUMMER Your new season starts now — right as the world's biggest soccer summer kicks off. Every manager — veteran or rookie — begins from the same starting line. As the planet tunes in to the most-watched football moments of the year, you're not just watching history — you're writing your own. Same starting line. Same global stage. Same chance for glory. Fresh squads. Fresh tactics. Fresh rivalries. This is your summer. Make it count. DEEP, COMPETITIVE, ESPORTS-READY GAMEPLAY • Real-time 1v1 fair-play matches • 8 game modes: Ranked, Coach, Peak Weekly & more • 30+ formations, 100+ tactical combinations • 12 customizable buttons + skill wheel • Gesture moves: Marseille Turn, Elastico, Rabona • Stadiums with 50,000+ live spectators Soccer is a game, a feeling, passion, and a story that lives in every fan's heart. With our game, that story is now in YOUR hands. BUILD YOUR DREAM SOCCER XI. PLAY FOR GLORY NOW. Follow us: Facebook: https://www.facebook.com/KickoffFootball2026/ Discord: https://discord.gg/Z4JmTDyAZ2 Reddit:https://www.reddit.com/r/KickoffFootball2026/ X: https://x.com/kickoff_2026
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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-native-reanimated
expo-router
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.
