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.
Settle your nervous system in a few breaths
$2.99 · In-app purchases
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 nevada - breathe: 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 variety of breathing exercises
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No social sharing features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of personalization options
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchase confusion
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.
Settle your nervous system in a few breaths. Nevada pairs six scientifically backed techniques like Box Breathing, 4-7-8, and Physiological Sigh with a living animation that moves in rhythm with your breath. No accounts. No subscriptions. No guilt. Just open the app, pick a pattern, and breathe. WHAT'S INSIDE Six breathing exercises, each grounded in research: · Box Breathing for calm, steady focus · 4-7-8 to quiet the nervous system before sleep · Resonant Breathing to sync your heart and lungs · Physiological Sigh for fast stress relief · Extended Exhale to activate deep relaxation · Mindful Breathing for everyday awareness Create up to three custom exercises with full control over inhale, hold, and exhale durations. Four living animations that breathe with you: · Morphing Blob, an organic shape that expands and contracts · Particle Sphere, a cloud of particles that gathers as you inhale · Dot Ripple, concentric rings that pulse outward with each breath · Breathing Sphere, a rotating sphere that expands and contracts with your breath Eight color palettes, four solid tones and four gradients, designed for low-light and late-night use. Full dark mode support. Reduced motion alternatives for every animation. Optional gentle sound cues on phase changes. Four haptic styles to guide your breathing with your eyes closed. Breathe by cycles or set a timer from 1 to 20 minutes. A 3-2-1 countdown eases you in before each session. After each session, a gentle check-in helps you notice how you feel. Your session history and mood are saved in a calendar view so you can look back and see how your practice has grown, on your own terms. Add Nevada to your home screen with a widget and start breathing in one tap. Nevada also runs on Apple Watch. Pick an exercise, lower your wrist, and follow the haptic rhythm. Directional taps guide you through each phase: up for inhale, down for exhale. Sessions sync back to your iPhone automatically. Nevada is intentionally minimal. There are no subscriptions, no social features, no notifications asking you to come back. The app exists to hold space for one thing: your next breath. One-time purchase. No commitment beyond the next breath.
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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.