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.
SleepNoize - Your Personal Sleep Sanctuary
$0.99 · 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 SleepNoize: 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 sound selection in free version
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No advanced sleep tracking features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of community features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No integration with health apps
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.
SleepNoize - Your Personal Sleep Sanctuary Fall asleep faster and sleep better with high-quality ambient sound designed to promote relaxation and deep sleep. SleepNoize combines premium noise generation with binaural beat technology to create the perfect sleep environment. PREMIUM SOUND LIBRARY • White Noise - Classic full-spectrum masking sound • Pink Noise - Deeper, more balanced frequency for sleep • Brown Noise - Ultra-deep, rumbling bass frequencies • Ocean Waves - Natural rhythmic surf sounds • Rain - Gentle rainfall ambiance • Fan - Realistic oscillating fan with motor hum • Thunderstorm - Dramatic rolling thunder with rain BINAURAL BEATS TECHNOLOGY Enhance your sleep experience with science-backed binaural beats: • Delta (0.5-4 Hz) - Deep, restorative sleep • Theta (4-8 Hz) - Light sleep and meditation • Alpha (8-13 Hz) - Relaxation and stress relief • Beta (13-30 Hz) - Focus and concentration Independent volume control lets you find the perfect balance between ambient sound and binaural beats. INTELLIGENT SLEEP TIMER • Set timer for 15, 30, 60, or 90 minutes • Customizable fade-out: 5, 10, or 30 seconds • Sounds gradually decrease for peaceful transitions • Wake-lock keeps audio playing while screen is off BEAUTIFUL, INTUITIVE INTERFACE • Real-time waveform visualization shows your sound • Optimized for iPhone, iPad, and Mac • Dark theme designed for nighttime use • One-tap play/stop controls • Separate volume controls for noise and binaural beats HOME SCREEN WIDGETS Track your relaxation at a glance: • Multiple widget sizes (small, medium, large) • Lock screen widgets for quick access • Real-time playback status • Shows current sound type and binaural frequency • One-tap shortcuts to start playing PRIVACY FIRST We take your privacy seriously: • No data collection - ever • No account required • No internet connection needed after download • No ads or tracking • Completely offline operation PERFECT FOR: • Falling asleep faster • Blocking out distractions • Focus and concentration • Meditation and mindfulness • Tinnitus relief • Baby sleep • Study sessions • Relaxation and stress relief ONE-TIME PURCHASE • No subscriptions - buy once, own forever • No in-app purchases • No hidden fees • All features included • Free lifetime updates SleepNoize is built by sleep enthusiasts for sleep enthusiasts. We believe everyone deserves a good night's rest without sacrificing their privacy or paying monthly fees. Download SleepNoize today and experience the difference quality ambient sounds can make in your sleep routine. Transform your sleep environment tonight with SleepNoize.
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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.