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.
App Overview
First Name Dictionary
This app provides an offline version of First Name Dictionary
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for First Name Dictionary: map the core Reference workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Implement crowd-sourced contributions for names.
Assumption to check: Limited name database with outdated meanings.
Validate with people who use this workflow before building.
Hypothesis 2
Add user profiles and favorites.
Assumption to check: Lack of personalization options for users.
Validate with people who use this workflow before building.
Hypothesis 3
Enable offline caching of previously viewed names.
Assumption to check: No offline access to name meanings.
Validate with people who use this workflow before building.
Hypothesis 4
Incorporate advanced search filters (e.g., origin, gender).
Assumption to check: Insufficient search functionality (e.g., no filters).
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
This app provides an offline version of First Name Dictionary The First Name Dictionary covers over 6,000 names in common use in English, including newly created names and traditional names that have been newly discovered. From Alice to Zanna and Adam to Zola this app will answer all your questions: it will tell you the age, origin, and meaning of the name, as well as how it has fared in terms of popularity, and notes famous bearers (both historical and fictional). It covers alternative spellings, short forms and pet forms, and masculine and feminine forms, as well as help with pronunciation. The edition featured fully updated appendices covering names in other languages, including Scottish, French, German, Italian, Arabic, and Chinese, etc. This is the most comprehensive first names dictionary available. From the traditional to the rare and unconventional, this app will tell you everything you need to know about names. ▸ User-defined list - Create custom lists ▸ Basic features include: - Easy navigation - Bookmark a word - Names of the day - Built-in dictionary - Flashcard ▸ If you want to suggest a new function or report an issue, please send feedback to us. Thank you!
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Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Zustand
Axios
React Navigation
React Native Paper
BUILD KIT DIFFICULTY
Starter
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.
