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
Fantasy Football Cheatsheet
Bring your leagues with you
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.6
6,370 ratings · Top 15%
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 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 Fantasy Football Cheatsheet: map the core Sports 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
Offer advanced filters based on performance metrics.
Assumption to check: Limited player filtering options
Validate with people who use this workflow before building.
Hypothesis 2
Include functionality to share rankings and projections.
Assumption to check: No social sharing feature
Validate with people who use this workflow before building.
Hypothesis 3
Integrate real-time data updates for player stats.
Assumption to check: Static data without updates
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to customize their cheat sheets and rankings.
Assumption to check: Lack of user customization
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
Bring your leagues with you. Cheatsheet imports your ESPN, Sleeper, Yahoo, CBS, and MyFantasyLeague leagues — your teams, settings, scoring, and draft order come over and stay in sync automatically. Then draft smarter with rankings built for YOUR exact league — and The GM, your AI assistant, in your corner all season. MEET THE GM — YOUR AI ASSISTANT - Ask anything: who to pick, who to start, what your roster needs - The GM knows your league — your scoring, your rosters, and who's still on the board - Wondering if a player will make it back to your next pick? The GM reads the whole draft, including every other team's roster - Act on its advice right from the chat: queue a player, Star, Avoid, or build a custom list — with one-tap undo IMPORT & SYNC YOUR LEAGUES — FIVE PLATFORMS - Connect your ESPN, Sleeper, Yahoo, CBS, or MyFantasyLeague league in seconds — no manual setup - Members, roster settings, and scoring import automatically - Your draft order comes over, ready to go - Everything stays in sync as your league changes - Prefer to build your own? Manual leagues sync across your devices too INTELLIGENT DRAFT TECHNOLOGY - Personalized player rankings tailored to your exact league settings - Player tiers show you where the talent drops off at every position - Real-time mock drafts that adapt to your league's drafting patterns - Live team grades after every pick — know which positions to target - Custom cheat sheets that update instantly as players are drafted SEASON-LONG ADVANTAGE - Weekly projections updated daily with the latest player news - Smart start/sit analyzer for optimal lineup decisions - Value-based rankings (VBD) you can tune to your preferences - Custom and dynamic rankings that react to your roster BUILT FOR EVERY LEAGUE - Snake, auction, dynasty, best ball, IDP, and fully custom scoring - PPR, half-PPR, and standard formats - Commissioner tools, keepers, and trade analysis - Draft clock and live draft management for game day - Real-time sync across all your devices Whether you're importing a league you've run for years or starting fresh, Cheatsheet gives you the edge from draft day through the playoffs. Download now and draft like a champion. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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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
Supabase
Zustand
react-navigation
@supabase/supabase-js
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.
