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
Oxford Thesaurus of English.
● Oxford Thesaurus of English, Second Edition (OTE)
$9.99
PRICE
$9.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
35 ratings · Top 15%
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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What's included
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Oxford Thesaurus of English.: 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
Provide detailed usage examples and context for each word.
Assumption to check: Limited word explanations and context
Validate with people who use this workflow before building.
Hypothesis 2
Integrate audio pronunciation for each word.
Assumption to check: No audio pronunciation for words
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to download words for offline access.
Assumption to check: No offline access
Validate with people who use this workflow before building.
Hypothesis 4
Enhance UI with interactive elements and animations.
Assumption to check: Basic UI with limited interactivity
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
● Oxford Thesaurus of English, Second Edition (OTE). Including extensive reading & reference material, over and above the core content That's ten times more data than similar applications. ************************************************ ◼ Enfour, Inc.'s Application Features: ▪ full content of the unabridged texts ▪ complete appendices and front matter ▪ unique three-way cross-referencing search ▪ real-time progressing look-up ▪ wildcard searches for unknown spellings and quizzes ▪ hyperlinking between dictionary & thesaurus plus to and from appendices ▪ unique support for round-trip search from other applications (the API is free. Contact Enfour, Inc.) ▪ bookmarks with editable notations ▪ automatic history ▪ AI boosted anagram generator ▪ 3D Touch support ▪ DarkMode support ▪ Siri support ▪ Dyslexic mode and VoiceOver support ▪ iPad "Fast App Switching" (Multitasking) ▪ iPad Pro multi-screen and Drag & Drop ▪ LockScreen Widget ▪ iPhone 17 & iOS26 support ▪ iPhone, iPod, iPad and macOS support ▪ complete offline use - no internet connection is required ************************************************ ◼ OTE Description ▶ Authoritative coverage of more synonyms and antonyms than any other A-Z thesaurus ▶ New and up-to-date synonyms and senses, based on the latest research from the Oxford English Corpus ▶ Accessible and easy to use, with synonyms given in order of usefulness and key synonyms highlighted ▶ Lists including foreign words and phrases, and imitative words added to the completely revised centre section giving useful vocabulary on a broad range of topics, from clothes and food, to medicine and music ▶ Special Features: Choose the Right Word boxes that help distinguish between close synonyms, plus Word Links panels: look up the word 'coin' and find the link with 'numismatic' The WordFinder section of word lists has been fully revised and reorganized with its own quick-reference index and includes topics from clothes and food, to medicine and music, with new lists of foreign words and phrases, archaic words, imitative words, British and American equivalents, and more. It is an invaluable resource to help broaden your vocabulary and provide quick answers to word puzzles and crossword clues. ◼ Features: ▶ accurate coverage of different homographs, variant forms and inflections *********************************************** Oxford Thesaurus of English (OTE) Second Edition revised © Oxford University Press 2006 All rights reserved Oxford University Press
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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
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BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
