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
Rhymes!
Are you looking for good rhymes? Then you’re on right rhyming dictionary! The Rhymes! app helps you find rhymes for your poems, song lyrics, rap lyrics and much more! This application is perfect solution for beginners...
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.5
145 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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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/
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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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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 Rhymes!: 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 the database with user submissions for more variety
Assumption to check: Limited word database may not cover all user needs
Validate with people who use this workflow before building.
Hypothesis 2
Implement efficient search algorithms or indexing
Assumption to check: Search functionality may be slow with large datasets
Validate with people who use this workflow before building.
Hypothesis 3
Add features for users to save custom lists of rhymes
Assumption to check: Lack of customization options for users
Validate with people who use this workflow before building.
Hypothesis 4
Offer unique features in premium tier to enhance user engagement
Assumption to check: Premium features may not provide sufficient value
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
Are you looking for good rhymes? Then you’re on right rhyming dictionary! The Rhymes! app helps you find rhymes for your poems, song lyrics, rap lyrics and much more! This application is perfect solution for beginners in the field of lyric such as novice rappers for rap rhymes or poem writers. Also for the school, this app is best suited for home exercises in the form of poems. You do not have to be a lyrical genius to get a good ending rhymes. The application has over 140,000 word entries that works offline anywhere and anytime. It provides a comprehensive rhymes output divided by syllable count. Also, there's possibility to save needed words in "Favorites" in order to use it later. With this app you always find the right rhyme and if not, then there is not!
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 Navigation
React Native Reanimated
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.
