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.
Collins German Dictionary is the ideal reference to help you learn, understand, communicate and extend your knowledge of the German language.
$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 German 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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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 offline functionality
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of user personalization
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No audio pronunciation for all words
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Inconsistent search results
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.
Collins German Dictionary is the ideal reference to help you learn, understand, communicate and extend your knowledge of the German language. • Over 80,000 words, phrases and definitions • Comprehensive and up-to-date coverage of all words and phrases you need, and the updated for the new spelling reform German • In-depth treatment of difficult words • Cultural notes provide insight into the life in German-speaking countries This modern, user- friendly dictionary gives priority to everyday vocabulary and the language of current affairs, business and tourism. As in all Collins dictionaries, the emphasis is firmly placed on contemporary language and expressions. Also includes advanced search and language tools that have become the staple of quality language apps from MobiSystems, Inc. LATEST APP UPDАТES: • Learn in style with any of the four colorful new themes – The colorful layout will turn your learning experience into an enjoyable routine. Customize your dictionary and benefit from the cheerful mood your favorite color brings you. • Dive right into the intricacies of the language - With new and convenient Home page, sleeker and more intuitive visual layout, as well as innovations in the speed of searches, you can get to the desired entry faster than ever. SEARCH TOOLS - quickly find words with the clear, functional, and easy-to-use interface. Designed to provide the most comprehensive search experience, the dictionary combines several search tools to match or predict what are you looking for, including: • Search autocomplete helps you find words quickly by displaying predictions as you type. • Keyword lookup allows you to search within compound words and phrases. • Camera search looks up words in the camera viewfinder and displays results in seconds. • Voice search helps you find an entry when you don’t know how a word is spelled. Looking for a specific word but don't know how it's spelled? We've got you covered with our automatic ‘Fuzzy filter’ to correct word spelling, as well as ‘Wild card’ ('*' or '?') to replace a letter or entire parts of a word. LEARNING TOOLS - engaging features that help you further enhance your vocabulary. Designed to give you freedom to structure your studies, the dictionary combines several learning tools to help you be more organized, including: • ‘Favorites’ that allow you to create custom folders with lists of words. • Recent list which helps you to easily review looked-up words. • Swipe-to-delete functionality in the Recent and Favorites menus. • Word-of-the-day option to teach you a new word every day. Feel excited by the new word or definition you just learned? Share your discovery with friends on social media, email or any other option available on your device.
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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.