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
Cozy Couples: Relationship App
Feel close to the one you love, even when you’re apart
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
46,816 ratings · Top 5%
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included18 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 Cozy Couples: Relationship App: map the core Lifestyle workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Feel close to the one you love, even when you’re apart. Join your partner on Cozy Couples to connect, relax, and share happy moments together! STAY IN SYNC - Share your mood and see how your partner is feeling in real-time - Send love notes to make each other smile - Add photos to document your love story DEEPEN YOUR CONNECTION - Strengthen your bond with thought-provoking daily questions - Play fun games and discover new things about each other BUILD YOUR HOME - Nurture a tiny bonsai tree together - Care for your adorable virtual cat or dog - Earn stars to customize and decorate your dream home KEEP GROWING - Watch your relationship thrive as you extend your daily streak - Count down to birthdays, anniversaries, and future adventures! Cozy Couples is a space just for you and your partner, where you can relax, unwind, and enjoy each other’s company. It’s the coziest way to share your love and deepen your connection. Download Cozy Couples and invite your partner today! Privacy Policy: https://www.cozycouples.co/privacy Terms of Service: https://www.cozycouples.co/terms
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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 customizable activity suggestions based on user preferences.
Assumption to check: Lack of personalization options for activities
Validate with people who use this workflow before building.
Hypothesis 2
Add user-generated topics for broader engagement.
Assumption to check: Limited conversation topics
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate reminders and notifications for scheduled activities.
Assumption to check: No reminders for activities
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the paywall and clearly explain premium features.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
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
Axios
React Navigation
Zustand
Firebase
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.
