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.
→ Tune your brain & ADHD Relief — Brainwaves Binaural Beats.
Free · 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 Binaural Beats Healing Sleep: map the core Music 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 free content compared to paid options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No offline playback for free users
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Complex subscription management
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited sleep timer options
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.
→ Tune your brain & ADHD Relief — Brainwaves Binaural Beats. → Better sleep & relaxation — Green Noise. Brainwaves First: 5 Mainstream Sounds to Quiet Your Mind Quickly 1. Delta wave (0.5–4 Hz): Linked to dreamless sleep and deeper rest. Helps support better deep sleep. 2. Theta wave (4–7 Hz): Supports meditation, creativity, and sleep during the REM phase. 3. Alpha wave (7–13 Hz): May encourage relaxation and calm. 4. Beta wave (13–30 Hz): May help promote concentration and alertness. 5. Gamma wave (>30 Hz): Supports maintaining arousal and mental engagement while awake. Brainwave Scenarios (Quick Picks) * Morning Coffee: Gentle Alpha + Beta waves to start the day. * Espresso Shot: Energizing High Beta + Gamma binaural tones. * Morning Meditation: Alpha + Theta for a centered mind. * Focused and Alert: High Beta + Gamma to maximize focus. * Critical Thinking: Theta + Mid-Beta blend to boost logical thinking. * Concentration: Mid Beta binaural tones for steady concentration. Key Features 1. Expertly curated library of premium soundscapes. 2. Adjustable volume with high, medium, and low settings. 3. In-depth insights plus audio-visual recommendations for each track. 4. Audio categorization tailored to common scenarios. 5. Personalized recommendations based on diverse needs. 6. An immersive interface—visually and auditorily—for your pathway to tranquility. Healing Frequencies & Calming Tones * 285 Hz tones promote tissue repair, release tension, and renew energy. * 741 Hz: Natural tranquilizer that calms the mind, releases body tension, reduces anxiety, and enhances sleep. * 528 Hz “Love frequency” is thought to bring transformation, increased energy, awareness, creativity, and inner peace. * 432 Hz music reduces anxiety, lowers cortisol, and eases stress-related symptoms like headaches and tension. SUBSCRIPTION Healing Sleep offers monthly and yearly auto-renewing subscription options to get unlimited access to all content in the app. Payment will be charged to your Apple ID account at the confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy policy: https://bettersleepcycle.com/privacy-policy Terms of service: https://bettersleepcycle.com/terms Feedback: [email protected] Disclaimer Any advice or other materials in Frequency are intended for general information purposes only. They are not intended to be relied upon or a substitute for professional medical advice based on your condition and circumstances. We make no claims, representations, or guarantees that it provides a physical or therapeutic effect.
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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.