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.
The cookbook your family builds together — for the recipes you save, the ones you cook, and the people you cook with.
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 Heirloom Recipe Box: map the core Food & Drink 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: Difficulty in organizing and categorizing recipes.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of social features for sharing recipes.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited recipe editing capabilities.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No search functionality for recipes.
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.
The cookbook your family builds together — for the recipes you save, the ones you cook, and the people you cook with. Heirloom is a private place for every recipe that ends up on your family's table. SAVE FROM ANYWHERE A link, a handwritten card, a voice note, a cooking video, or a few words you type yourself — Heirloom turns every way a recipe shows up in your life into a proper recipe card you can cook from. KEEP FILLING THE BOOK Not a file folder. A cookbook. Name it, style it with one of 20 designed templates, and add the recipes that matter to your family in one private place. Every recipe remembers who added it, when, and what they changed from the original. A real cookbook, built the way Grandma kept her binder. SHARE WITH THE PEOPLE YOU COOK WITH Sharing is a deliberate act. Send a private invite link to the people you choose. No public feed. No follower counts. No algorithm. Your cookbook is yours and theirs — no one else's. WHAT'S FREE, WHAT'S PREMIUM Every recipe is private by default. You choose who sees each cookbook. Free, forever: save any recipe from a link, type recipes by hand, build cookbooks, share with the people you cook with, 14-day free trial of Premium. Premium ($6.99/month or $39.99/year): voice notes, cooking-video import, handwritten card scanning, bulk cookbook scanning (500+ page PDFs), AI Spark, unlimited cover art, and all 20 designed templates. BUILT TO KEEP GROWING - On-device voice transcription — your audio stays on your phone - Lineage on every recipe — see whose version this is and where it came from - Free to start — sharing and core features never gate behind a paywall HEIRLOOM IS NOT - Not a recipe discovery app. We don't suggest what to cook tonight. - Not a social feed. Your cookbook is not a follower count. - Not a meal planner. We don't tell you what's for dinner. - Not a public profile. No one finds you by searching. A product of Rationale. Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless 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 in the App Store after purchase. Privacy Policy: https://heirloomrecipebox.app/privacy Terms of Service: https://heirloomrecipebox.app/terms
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.