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
AI Crew Chief
Power your team with data-driven performance.
$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's included16 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 AI Crew Chief: 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
Integrate social sharing and community features.
Assumption to check: Limited user engagement features
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to customize team branding and colors.
Assumption to check: No customization options for teams
Validate with people who use this workflow before building.
Hypothesis 3
Introduce rewards and challenges to increase user motivation.
Assumption to check: Lack of gamification elements
Validate with people who use this workflow before building.
Hypothesis 4
Enhance analytics and reporting features for better insights.
Assumption to check: Poor performance tracking tools
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
Power your team with data-driven performance. AI Crew Chief is your trackside AI assistant for sprint car, midget, micro, Jr. sprint, and quarter midget racing. From hot laps to the feature, get concise, technically precise setup and tuning guidance—the kind a veteran crew chief would give—backed by your own data and images. AI CREW CHIEF IN YOUR POCKET • Chat with your AI crew chief: ask questions, share driver feedback, and get 2–3 priority setup changes per session. • Upload tire photos (LF, RF, LR, RR) and get wear analysis: race ready, worn, or critically depleted—plus causes and fixes. • Send track images (layout, satellite, or map) and receive camber/toe suggestions, tire compound advice, and strategy notes. • Add shock dyno sheets for valving and ride analysis; engine dyno and fuel sheets for powerband and weather-corrected tuning. BUILT FOR YOUR CLASS Supports winged and non-winged sprint cars (305, 360, 410), midgets, micros (Outlaw 600), Jr. sprints, quarter midget classes (RSR, ARC, XWING, Stanley, Boomerang), and follows USAC, WoO, High Limit, NASCAR Youth and other series rules. Advice adapts to session type: Hot Laps, Qualifying, Heats, and Mains. TRACK & SESSION TOOLS • Track analyzer: upload track photos and link them to your session context. • Weather at a glance for general guidance. • Session-based workflow so setup advice matches whether you’re in practice, qualifying, or the main. TEAM READY Create or join a team, set your car type, track type (oval/road course), and surface. Your AI crew chief uses your team profile and uploaded data to keep recommendations relevant and rule-legal. From trackside insights to AI-powered analysis—AI Crew Chief helps your team make smarter decisions, faster.
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-native-reanimated
@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.
