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.
Wake up knowing whether today looks like a higher-risk migraine day.
$17.99 · 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 MigraineZen: Headache Forecast: 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 often find it difficult to track migraine triggers accurately.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: The app may feel overwhelming with too much information.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited integration with health data sources.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases can be confusing 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.
Wake up knowing whether today looks like a higher-risk migraine day. MigraineZen uses overnight Apple Watch and Apple Health signals to estimate your next 24-hour migraine risk before pain begins. Instead of relying on a daily diary for basic value, it turns signals your devices already collect into a forecast and an earlier plan. YOUR DAILY MIGRAINE FORECAST • 24-hour risk forecast based on sleep recovery and physiological signals • Nighttime HRV and resting heart-rate analysis • Deep-sleep and REM-fragmentation interpretation • Wrist-temperature and menstrual-cycle context when available • Barometric-pressure and weather monitoring • 7-day physiological energy outlook FROM FORECAST TO ACTION When susceptibility rises, MigraineZen connects the forecast to calm, practical guidance: • 48-hour protection-window guidance • 24-hour early-action guidance • Daytime Check to reassess your risk context later in the day • Plain-language explanations of contributing signals • Personalized trigger and pattern analysis that improves with your history TRACK WHAT ACTUALLY HAPPENED Logging remains available when you need it. Record attacks, triggers, medications, and relief methods; review patterns over time; and generate a shareable PDF for appointments. SUPPORT DURING A SEVERE ATTACK During an active attack, MigraineZen can estimate a recovery trajectory and likely relief window. SOS mode provides a low-light interface, human voice guidance, six situation-specific comfort pathways, and a Care Communication Pack for family or clinicians. PRIVATE BY DESIGN Your health data and migraine history are analyzed on your device. • No account required • No cloud upload of your health analysis • No advertising profile • Apple Watch, widgets, Siri, and Shortcuts support Weather features require an internet connection. Core health analysis remains local. ONE PURCHASE. NO SUBSCRIPTION. Unlock the complete experience with one upfront purchase. No recurring plan or feature tier. --- MigraineZen is a wellness data analysis tool, not a medical device. It does not diagnose, treat, cure, or prevent migraine or any disease. Seek professional medical care for diagnosis and treatment. Terms of Use: https://shorturl.at/jjAOb Privacy Policy: https://shorturl.at/FqPhD --- Apple Watch note: MigraineZen’s iPhone forecast uses Apple Health sleep data from Apple Watch. The optional MigraineZen Watch app requires watchOS 11.4 or later. Older Apple Watch models may still provide sleep data to Apple Health, but cannot run the Watch app. Thanks for using MigraineZen.
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.