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.
the only dictionary and thesaurus with every word you search for
Free · 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 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 access to definitions
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Ads in the free version can be intrusive
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of personalized recommendations for synonyms
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Difficulty in navigating through large word lists
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.
the only dictionary and thesaurus with every word you search for. plus word of the day, free offline dictionary access, and millions of definitions and synonyms from top sources, including: webster's dictionary roget's thesaurus the american heritage dictionary plus free access to: english offline dictionary english offline thesaurus with synonyms and more medical dictionary english idioms and slang dictionary translations of english into 40+ languages dozens of other translation options + much more! the free dictionary is like getting 100+ apps in one easy-to-use interface. rated #1 app in the app store in the free reference category in 114 countries 2011–2019. (source: https://www.appannie.com/apps/ios/app/379450383/app-ranking/#device=ipad&type=best-ranks) here's what you can do with the free dictionary app: * find every word you search for. clear, accurate definitions from top dictionaries—online and offline. * find synonyms fast. free thesaurus with simple interface makes it easy to find the perfect word. browse synonyms, antonyms, and related words. * learn something new every day. word of the day idiom of the day + other daily content * build your vocabulary. don't just look up words—learn how to use them! featuring: audio pronunciations example sentences etymologies + more! the perfect dictionary app for word lovers and learners of all levels. * explore topics in-depth. multiple specialty dictionaries and encyclopedias: medical dictionary legal dictionary science dictionary financial dictionary idioms and slang dictionary acronyms and abbreviations + more! * play word games. spelling bee, hangman, and more. * see idioms in action. watch idioms videos inside the app! featuring animations of words and phrases from the idioms and slang dictionary. * access dictionaries in 13 other languages. spanish dictionary and thesaurus french dictionary and thesaurus german dictionary and thesaurus + italian, portuguese, russian, chinese, and more! * translate english into spanish, french, and 40+ languages. or translate other languages into english. access dozens of other translation options. * access dictionaries and encyclopedias from these top publishers with just one search: mcgraw-hill houghton mifflin harpercollins random house cambridge university press + more! here's why the free dictionary is the most user-friendly dictionary app: * instantly look up words in apps or webpages! just highlight the word you want to look up, tap "share," then tap "more" in the bottom menu and turn on the "define" option. you will then see a "define" icon in the menu. tap it to see the definition of the highlighted word! * voice search. look up a word just by saying it. * advanced search options. * look up the definition of any word on the page. just highlight and tap "definition." * save bookmarks with one tap and sync them to all your devices. * customize your homepage: move, add, or remove articles, games, even local weather. * jump to definition, thesaurus, or translations with one button. * navigate the app in more than a dozen languages with the multilingual interface. * adjust font size. * share your favorite words via social networks, email, or text. exclusive * earn meals for hungry children through the free dictionary's partnership with the world food program—just by using the app! this is not a trial version—you get everything free and forever. additional offline dictionaries in other languages are available in the pro version. seem too good to be true? the free dictionary app has been downloaded tens of millions times across multiple platforms, with top ratings after hundreds of thousands of reviews. read reviews from real users to see why they say the free dictionary is the best dictionary app they've ever used. * for app developers: the free dictionary app can be accessed by other apps with api calls (contact farlex for instructions).
Written user reviews are not shown here. Check current App Store reviews >
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.