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.
Restful was built by someone living with a chronic illness, for people doing the same.
$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 Restful: Chronic Illness Care: 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 track their chronic illness effectively.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited integration with health devices and apps.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Users report difficulty in setting medication reminders.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of community support or sharing features.
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.
Restful was built by someone living with a chronic illness, for people doing the same. If you manage an ongoing condition, you already know most health apps weren't made for you. They assume good energy, steady days, and the willpower to keep a streak alive. Chronic illness doesn't work like that. Some days you can barely open your phone. Restful is different because it was made from the inside. It's a tool for the actual work of managing a condition — without the pressure, guilt, or noise. Prep for appointments Walk into every visit ready. Jot down symptoms, questions, and changes beforehand so nothing gets forgotten in the ten minutes you actually get with your doctor. Keep track of how you're doing Log symptoms, flares, and daily notes in your own words. Edit anything, anytime — your record bends to your life, not the other way around. Wind down when you need it Three short, gentle exercises for the moments when you need to settle and rest. Completely private, completely offline Restful works entirely offline. Your information never leaves your phone — everything stays on your device, protected by your iPhone's built-in security. There are no accounts, no logins, and no sign-ups. Nothing to create, nothing to remember. No subscription, ever Restful is a one-time purchase. No subscription, no recurring fees, no ads. Pay once and it's yours.
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.