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
Brainy Wormy AI Vocab Helper
Brainy Wormy AI Vocab Helper is your ultimate companion to master words effortlessly
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included16 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Brainy Wormy AI Vocab Helper: 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
Enhance AI suggestions with more diverse databases.
Assumption to check: Limited vocabulary suggestions compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Introduce interactive quizzes with gamified features.
Assumption to check: Lack of engaging quizzes
Validate with people who use this workflow before building.
Hypothesis 3
Implement user profiles to track learning progress over time.
Assumption to check: No user progress tracking
Validate with people who use this workflow before building.
Hypothesis 4
Focus on modern UI/UX to improve user retention.
Assumption to check: Poor user interface design
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
Brainy Wormy AI Vocab Helper is your ultimate companion to master words effortlessly. Learn, practice, and play with a smart AI-powered vocabulary toolkit designed for learners, students, and word enthusiasts. No fluff, no ads, no subscriptions, just all substance. Enjoy a special early-bird offer, available for a limited time! Key Features: Word Lookup & Details * Instant definitions with clear explanations * Etymology and historical origins of words * Different forms of the word (noun, verb, adjective, etc.) * Pronunciation with Text-to-Speech (TTS) * Synonyms, antonyms, and related words Language Support & Difficulty Levels * Translate words into 30+ languages * CEFR difficulty levels for all entries * Generic test difficulty ratings for ACT, SAT, GRE, and TOEFL * Sample sentences with TTS to hear proper usage Practical Use & Learning * Common use cases for everyday and academic scenarios * Test difficulty ratings to challenge your progress * Jumpboard links to Wikipedia, Google, Bing, YouTube, and more Voice Trainer & Interactive Games * Practice pronunciation and improve speaking confidence (requires microphone access permission) * Play n-wordly, a Wordle-like vocabulary game to reinforce learning Why Brainy Wormy? * AI-powered personalized suggestions * Combines reference, learning, and gaming in one app * Ideal for students, professionals, and language enthusiasts * Works offline for built-in words Upgrade your vocabulary, boost confidence, and explore the world of words, one word at a time! Disclaimer: Some definitions, translations, pronunciations (TTS), or difficulty ratings are AI-generated. While we strive for accuracy, they may occasionally be incorrect or incomplete. Please verify before using for tests, professional work, or other critical purposes. Please also note that Voice Trainer uses Apple’s free speech recognition, therefore microphone access is required.
Written user reviews are not shown here. Check current App Store reviews >
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
Supabase
Zustand
react-native-paper
react-query
BUILD KIT DIFFICULTY
Intermediate
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.
