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.
Leave every doctor visit knowing exactly what to do next.
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 Kin - Remember Doctor Visits: map the core Medical workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Leave every doctor visit knowing exactly what to do next. Kin helps you prep your questions before the visit, takes the notes during it, and gives you a clear summary and to-do list afterward. Kin works in English and Spanish. It takes notes in either language and can give you your summary and next steps in English and Spanish. WHAT KIN DOES Prep for the visit Tell Kin about an upcoming appointment and it builds your agenda with you, asking who the visit is for and what you want out of it. Edit, reorder, or add your own questions, symptoms, photos, and documents. Take the notes Start Kin in the exam room or on a video visit, and focus on your doctor. Get a clear summary The key points and recommendations from your visit, ready to read or to have Kin read to you. Remember exactly what the doctor said about your medications and next steps. One to-do list for everyone you care for Medications, lab work, referrals, and follow-ups from every visit, in one place. Open any task to see which visit it came from. Talk and listen Use your voice at every step. Talk through your agenda before the visit, ask Kin about what was discussed afterward, It works from any chat. Have Kin read your summary and to-dos back to you. Share with people involved with your care You decide who to share visits with. Coordinate care with family and caregivers, share summaries and next steps, and remove anyone anytime. BUILT FOR REAL CARE Aging parents and loved ones: help an aging parent or spouse remember what the doctor said, stay on top of medications and follow-ups, and keep the whole family in the loop. Chronic and ongoing care: for chronic conditions, cancer care, and specialist visits, Kin keeps every appointment, instruction, and next step in one place, so nothing gets lost between visits. Your own care: a running history of visits across doctors and specialists. Women's health: fertility, pregnancy, postpartum, and menopause. Store your records, images and notes so you can bring them into the visit and keep what comes next organized. Also for kids' appointments and vet visits. BUILT ALONGSIDE DOCTORS Kin doesn't diagnose, prescribe, or replace your doctor. It helps you understand what was discussed and follow the care plan you were given. PRIVACY AND CONTROL Your health information is yours. You choose who sees it, and you can delete your notes and summaries anytime.
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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 hard to track multiple doctors' visits effectively.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited customization options for appointment types.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Users report difficulty in retrieving past records quickly.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchase options can be confusing.
Validate with people who use this workflow before building.
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.