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
Greek and Latin Roots
A number of English words have Greek and Latin roots
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.0
1 ratings · Top 30%
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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A product spec, screen plans, and build steps for your coding agent.
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What's included17 files
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 Greek and Latin Roots: 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
Implement a user-contributed root submission feature.
Assumption to check: Limited content updates and new roots.
Validate with people who use this workflow before building.
Hypothesis 2
Offer a free tier with essential features and upsell premium features.
Assumption to check: In-app purchase for premium features may deter users.
Validate with people who use this workflow before building.
Hypothesis 3
Integrate interactive elements to enhance learning.
Assumption to check: Lack of interactive learning tools (quizzes, flashcards).
Validate with people who use this workflow before building.
Hypothesis 4
Add forums or discussion sections for users to share knowledge.
Assumption to check: No community features or user engagement.
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
A number of English words have Greek and Latin roots. An understanding of the commonly used roots will help you to easily guess and remember the meaning of new words and substantially strengthen your vocabulary. This application enables you to learn a list of commonly used root words, their meanings and some examples of words that was formed from the root words. You also can look up for the roots of a word. GREEK ROOTS • Over 258 Greek roots • Detailed meaning • Words from the roots • Search by root or by meaning • Roots of the Day: learn Greek roots daily • Bookmark a root LATIN ROOTS • Over 712 Latin roots • Detailed meaning • Words from the roots • Search by root or by meaning • Roots of the Day: learn Latin roots daily • Bookmark a root WORDS • Over 5600 words • Roots in a word • Detailed meaning • Audio Pronunciation • Example sentences • Translation • Search by word or by meaning • Words of the Day: learn words daily • Bookmark a word UNITS • 33 Units • Learn a unit using multiple choice quizzes SPACED REPETITION FLASHCARDS • Tap a card to see meaning • Mark a card as "hard", "good", "easy" • Hard flashcards are shown more frequently, good and easy flashcards are shown less frequently over time. • Charts: showing your progress • Calendar: view cards scheduled on a date
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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.
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BUILD KIT DIFFICULTY
Starter
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.
