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.
• A fun interactive animated storybook based upon the beloved Bible story of Noah's Ark
$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.
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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 Noah's Ark by Little Ark: map the core Books 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: Limited interactivity in story engagement
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Few stories available for free
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Paywall can deter users from exploring
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Difficulty in navigating to specific stories
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.
• A fun interactive animated storybook based upon the beloved Bible story of Noah's Ark • Presented in a lively, non-denomination manner for children 3-7 Have you ever wished you could play inside a story and really interact with all the characters and words? Now you can! Noah’s Ark is an interactive reading experience with fully animated content featuring the story from the Old Testament Bible. This important and timeless story springs to life on every page. Read and play along as Noah gathers all living creatures and brings them onto his Ark to survive the great flood and then repopulate the earth after the flood. KEY FEATURES: • 12 fully animated pages in English • Engaging original music throughout the storybook, with a special song “Two by Two” that is very memorable • Virtually every item on each page comes to life when tapped • All words are “active” for extended word play and language learning – tap on any word to hear it spoken • Move between pages with swipe or with scrolling page navigation • Two modes: “Read The Story” and the fully interactive “Explore The Story” • Multiple settings to further customize the App for your child’s reading experience • Parental tips to help you get the most out of this interactive storybook Little Ark Interactive's goal is to help children discover a lasting love of language through story exploration and learn important stories and lessons from the Bible. We hope Noah’s Ark provides your family, children and students with hours of delightful story play. Privacy Disclosure Little Ark Interactive creates engaging interactive storybooks for children that are educational, fun, and above all safe and appropriate. This app: • does not collect any information • does not contain ads • does not contain in-app purchases, but does allow you to purchase the storybooks • does not have active links to websites or social networks • uses analytics to improve our app experience but only in aggregate and never with personally identifiable data
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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.