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.
Transform your body with the most comprehensive fitness app built for serious athletes
$5.99
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Olympia: Fitness & Wellness Co: map the core Health & Fitness workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Limited workout customization options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of social features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Insufficient nutrition tracking
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No offline functionality
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Transform your body with the most comprehensive fitness app built for serious athletes and beginners alike. Olympia combines workout planning, nutrition tracking, and progress analytics into one beautifully designed experience. WORKOUTS - Pre-built plans across all fitness goals - Custom workout builder — create your own plans - Guided session mode with exercise-by-exercise flow - Progressive overload set logger — track every rep and weight - Personal record detection with instant notifications - Auto rest timer between sets - Apple Watch companion with haptic exercise ticker - Per-exercise strength progress charts NUTRITION - Daily calorie and macro tracker - Breakfast, lunch, dinner and snack logging - Weekly calorie trends chart - Custom macro goals for protein, carbs and fat PROGRESS - Workout streak tracking - Body measurements with weight chart - Water intake tracker - Achievements and unlockable badge gallery - Share your progress card to social media - HealthKit integration for step count and calorie sync BLOG - Expert fitness articles from FitOlympia - Offline reading — articles cached for 24 hours - Adjustable text size for comfortable reading - Bookmark articles to read later EXPLORE - Best Foods Guide — nutrition for every goal - Supplement Guide - Vitamin and Mineral reference - Warmup and Stretch library - Body Types, Health Tips, FAQ and more HOME SCREEN WIDGET See your active plan, today's progress ring, and next exercise without opening the app. Small and Medium sizes supported. Built for iOS 26. Designed for results.
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.