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.
C
$9.99 · 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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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 Tongan-English Dictionary: 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 database of words and translations
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inconsistent audio quality for pronunciation
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of user customization options
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No offline functionality
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.
C. Maxwell Churchward's Tongan-English Dictionary, for iPhone and iPad. The most complete digital record of the Tongan language: 37,428 entries and more than 43,000 definitions, hand-transcribed from Churchward's 1959 dictionary and searchable in both directions. Whether you grew up hearing Tongan at home and want to understand more of it, or you're learning the language for the first time, it's here whenever you need it. SEARCH THE WAY YOU SPEAK Macrons and glottal stops are awkward to type on a phone, so you never have to. Type "faele" and the app finds "fa'ele". Search Tongan to find the English, or English to find the Tongan — same box, both directions. And when the word itself escapes you, describe it: the app searches inside every definition, not just the headwords. FOLLOW THE LANGUAGE More than 63,000 cross-references are tappable. Jump from one entry to a related term and back again without ever losing your place. ROOM TO READ On iPhone you get one word at a time, full width. On iPad the word list sits beside the definition, so following a cross-reference never costs you your spot in the list. Light, dark and system themes, plus a choice of app icons. WORKS COMPLETELY OFFLINE The entire dictionary lives on your device. No account, no connection required — on a plane, in the islands, or anywhere the signal runs out. A LIVING TRANSCRIPTION Every entry was transcribed by hand from the printed dictionary, and that work is ongoing. Corrections and refinements ship regularly, and you can report a mistake from the bottom of any entry. 'Ofa atu
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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.