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.
Experience calm, focus, and balance with Box Breathing Minimal Timer, a beautifully designed breathing companion inspired by the proven box breathing technique used by athletes, therapists, and high performance professionals.
$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 Box Breathing Minimal Timer: 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 user engagement due to static timer display.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No social sharing options to engage community.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of personalized settings for users.
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.
Experience calm, focus, and balance with Box Breathing Minimal Timer, a beautifully designed breathing companion inspired by the proven box breathing technique used by athletes, therapists, and high performance professionals. Whether you want to reduce stress, improve sleep, or sharpen concentration, this app helps you build a consistent and mindful breathing habit through gentle visual guidance and a soothing minimalist interface. What Is Box Breathing? Box breathing is a simple yet powerful technique where you inhale, hold, exhale, and hold again for equal counts. This steady rhythm helps activate your body's natural relaxation response and supports a calm, grounded state. Key Features - Guided Breathing Animation A clean expanding and contracting box visually guides your inhale, hold, exhale, and hold phases. - Fully Customizable Breathing Cycles Adjust inhale, hold, and exhale durations to match your experience level. - Minimal and Calming Design A soft, carefully crafted color palette designed to help you relax the moment you open the app. - Optional Sound and Haptic Feedback Follow the breathing rhythm with gentle audio or vibration cues. - Light and Dark Mode A modern interface that adapts seamlessly to your environment. - Simple, Ad Free Experience No distractions. No clutter. Just you and your breath. Why Practice Box Breathing? - Reduce stress and everyday tension - Improve focus and mental clarity - Support emotional balance - Enhance sleep and relaxation - Prepare for workouts or important moments - Build a sustainable daily mindfulness habit Whether you are taking a one minute reset during a busy day or winding down before bed, Box Breathing Minimal Timer helps you reconnect with calm, one breath at a time. Start breathing with intention today.
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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.