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.
57,000 headwords and more than 190,000 translations • more than 90,000 phrases • full conjugations for thousands of French and English verbs • hundreds of usage notes and examples • no internet connection required
$14.99 · 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.
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 Collins-Robert Concise: 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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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 search functionality and filtering options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: High price point for in-app purchases
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Occasional inaccuracies in definitions
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of offline access to definitions
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.
57,000 headwords and more than 190,000 translations • more than 90,000 phrases • full conjugations for thousands of French and English verbs • hundreds of usage notes and examples • no internet connection required Carry a dependable French and English reference everywhere you go with the latest edition of the Collins Pro French-English Translation Dictionary. This app combines detailed, professional dictionary data from HarperCollins and Le Robert with our new, easy-to-use Ultralingua interface. Our smart search goes beyond dictionary entries to give you complete conjugations of thousands of verbs in all standard forms, convert numerals into French or English text instantly, and catch common misspellings to get you to the word you are looking for faster than ever. DICTIONARY: • Over 57,000 entries with 190,000 translations • Over 90,000 example phrases • Tap-and-hold any word or phrase and choose "Speak" from the popup menu to hear that word spoken using Apple's built-in text-to-speech feature. • Genders for all French nouns • Idioms, slang, technical language, and regional differences in spelling and usage • Hundreds of usage notes about troublesome constructions • Dozens of cultural notes • Smart search results in both French and English simultaneously, in case you misspell or mistype • Search-as-you-go displays words and narrows your selection as you type • Tap on a word in a definition to quickly look it up, conjugate it, or copy it to your clipboard. This features recognizes inflected forms and chooses the correct language for you. • Search the dictionary by speaking to Apple’s Siri on applicable devices VERBS: • Conjugations for thousands of French and English verbs • Includes all standard tenses and forms • Displays the direct translation of each conjugation when available • Smart search finds infinitives and catches misspellings • View verb conjugations in a single tense or expand a verb to view all conjugations in one user-friendly format MORE: • Translates numerals into French and English text as you type • Language swapper button to switch from French-English to English-French with ease • Tap the history button to view the 50 most recent dictionary definitions, verb conjugations, and more in one place. Sort the list alphabetically or by date, and choose to clear the list completely or delete one entry at a time. • Favorite individual definitions and verbs and view them by tapping on the favorites button. • No internet connection required • Change your device settings to view the app display in English, Spanish, French, Italian, Portuguese, or German This universal app will run on iPad, iPhone, and iPod touch, so you can purchase it once and load it onto all your devices. The iPad and iPhone/iPod touch versions look and behave differently to give you a great experience on every device you own. The Collins Robert Concise French Dictionary is a must-have reference tool for students and language professionals alike. REVIEWS: (5 stars) "Best French dictionary ever - In the 30 years that I have been studying and using French I have yet to find a better French-English dictionary, whether in-print, online or an app. This app is totally worth the price." -User review (5 stars) "Wonderful for an high intermediate reader like me who often needs a clarification but doesn't want to haul around a heavy dictionary. The interface is great because it anticipates the word as you type and if your French spelling is weak - like mine is - it saves a lot of time." -User review Follow us on Twitter and become a fan on Facebook for app news, language learning tips, and more: http://www.twitter.com/ultralingua http://on.fb.me/ifI8Hy
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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.