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.
BrainSync uses science-based sound — binaural beats, white noise, and spoken journeys — to help you reset your mental circuitry and tap into deeper states of awareness.
$3.99 · 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 BrainSync: 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: Users find it difficult to stay consistent with mental exercises.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited session variety may lead to boredom.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Users may not recognize their progress effectively.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Subscription model may deter some 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.
BrainSync uses science-based sound — binaural beats, white noise, and spoken journeys — to help you reset your mental circuitry and tap into deeper states of awareness. The app provides you with three primary meditation sessions: 1) Left Brain Focus This session sharpens attention, strengthens logical thinking, and promotes structured awareness. It’s great before problem-solving, writing, or when your mind feels foggy. 2) Right Brain Activation This is a soft, sensory dive into your intuitive and creative self. It’s perfect before a brainstorming session, creative writing, or when you want to reconnect with your inner world. 3) BrainSync Integration This mode is about whole-brain harmony — logic and intuition working together. Ideal when you want to reset your mental balance, break out of overthinking, or move smoothly between planning and imagining. No two BrainSync sessions are ever the same. The scripts are crafted with openness and variation, so your mind finds something new each time. It’s not a fixed path, more a dynamic unfolding. One day, you may drift into colour and sensation, the next, you might trace a chain of thoughts with crystal clarity. Listening to the sessions will: * dial in structure, reason, and clarity * open the door to intuition and creative flow * harmonise both sides of your brain for full-spectrum awareness No distractions, just the tools you need to think better, feel deeper, and create more freely. Please note: The BrainSync sessions and binaural beats are not medical treatments. While research suggests they may help with relaxation and focus, individual results vary. Consult a healthcare provider for medical concerns.
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.