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.
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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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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 LDOCE: 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 access to dictionary data.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Search functionality can be slow with large datasets.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of personalized features like user notes.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High price point for premium features.
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.
More features than any other dictionary app available! And the most "connected" dictionary app on iOS -plays nice with more third-party dictionaries and apps than anyone else. Longman Dictionary of Contemporary English - For Advanced Learners © Longman's flagship learner’s dictionary is now available as an iOS application. Improve your fluency in English with the most up-to-date learner's dictionary at your fingertips. Now with integrated Thesaurus and Collocations Dictionary. Dictionary details: ● 230,000 words, phrases, and meanings - more than any other learner's dictionary ● 165,000 examples based on real, natural English from the Longman Corpus Network show how English is really used ● 10,000 encyclopedic entries -people and places. ● 5,000 verb conjugation tables. ● graphics and videos to explain meanings at a glance. ● Clear definitions written using only 2,000 common words. ● Most frequent 3,000 words in spoken & written English, highlighted to show which are the most important to know ● Register Notes focus on the differences between spoken and written English. ● The Academic Word List is highlighted to help you improve your essays and presentations. ● Grammar and warning notes ensure that you avoid the most common errors. ● Integrated Collocations Dictionary. Over 80,000 collocations will improve your fluency. ● Integrated Thesaurus. Over 20,000 synonyms, antonyms, and related words will improve your vocabulary range. ● 86,000 pronunciation files —all headwords in both UK & US accents. PLUS ● another 86,000 recorded example sentences (via external links due to size) Over 20GB of audio online! Making this the largest resource of English available on ANY mobile platform! ________________________________________ Application Features: ● full contents of the print dictionary - PLUS additional collocations, synonyms & word histories ● complete front matter and additional resources ● unique three-way cross-referencing search ● real-time progressing look-up ● wildcard pattern searches -with * ? ● online search backup for rare words and slang ● spelling suggestion dictionary included ● hyperlinking directly to meanings & appendices ● example sentence search ● search on idioms and phrasal verbs ● search on synonym and "sign-post" meanings ● an "AI Teacher" for deeper explanations or help for ESL students in 98 languages ● Bookmarks with folders and editable notations ● Bookmark syncing across devices via iCloud ● automatic history listing ● Flashcards to test yourself ● Teacher's resources in PDF for printing or email ● "Word-of-the-Day" sets including TOEIC® & TOEFL® ● "Today" widget for finding new words ● "Share" extension to search inside other apps ● another extension to search from a second device or SplitView ● search from other applications via a public API ● iPad Pro multi-screen and Drag & Drop ● DarkMode & 3D Touch support ● OS-independent app localization ● Siri support ● Dyslexic mode and VoiceOver support ● Supports iOS 12 through to iOS 26 ● iPhone, iPod, iPad and macOS support ● complete offline use ___________________ Social Media: ● supports Facebook, Twitter, Sina Weibo & Evernote posts. ● Full layout for definition emails and Evernote posts. ________________________________________ The ultimate learner's resource of the English language for use anywhere and anytime. Copyright: Longman Dictionary of Contemporary English © Pearson Education Limited 2009, 2011, 2015
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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.