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
French-English Unabridged dictionary
The largest French-English dictionary
$10.99 · In-app purchases
PRICE
$10.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.0
19 ratings · Below Average
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 included17 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 French-English Unabridged 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
Enhance the database with community contributions and AI-generated translations.
Assumption to check: Limited word database and translation accuracy
Validate with people who use this workflow before building.
Hypothesis 2
Simplify navigation and focus on essential features.
Assumption to check: Cluttered UI with too many options
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate quizzes or flashcards for better engagement.
Assumption to check: Lack of interactive learning features
Validate with people who use this workflow before building.
Hypothesis 4
Implement improved search and filter options for favorites.
Assumption to check: Difficulties in finding saved words
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
The largest French-English dictionary Intuitive and incredibly fast, this dictionary combines a wide-ranging content with an easily accessible interface. With this Éditions Larousse application you can access our most comprehensive French-English dictionary at your fingertips; the equivalent of 2500 pages! - Dictionary contains over a million words and expressions, and gives examples to illustrate meaning - Complete coverage of technical and business vocabulary - Offers a range of linguistic registers, from the literary to slang and the colloquial - 5,000 proper nouns, including people, places, and historical events Thousands of notes and tips - Guidelines for usage (false friends, easily confused words, etc.) - Tips about lexical and grammatical constructions - Cultural notes on Francophone customs and institutions Multiple features: • History and favourites sorted by meaning • Links to and from every word, allowing swift movement from one translation to the next • Pronunciation guide for all words and examples (online mode only) ►Accessibility: adjustable font sizes for greater visual comfort
Written user reviews are not shown here. Check current App Store reviews >
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
AsyncStorage
React Navigation
TypeScript
BUILD KIT DIFFICULTY
Expert
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.
