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
Couple Widget
Create a shortcut widget for that one special person
$0.99
PRICE
$0.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
3 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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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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 included15 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 Couple Widget: map the core Social Networking 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
Allow more themes, colors, and layout options for widgets
Assumption to check: Limited customization options for widgets
Validate with people who use this workflow before building.
Hypothesis 2
Implement push notifications for upcoming events and memories
Assumption to check: No notifications for important events
Validate with people who use this workflow before building.
Hypothesis 3
Add chat or messaging features for couples
Assumption to check: Limited social interaction features
Validate with people who use this workflow before building.
Hypothesis 4
Enable sharing memories on social media or with friends
Assumption to check: No way to share memories externally
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
Create a shortcut widget for that one special person. Show their photo or icon in a widget on your Home Screen or Lock Screen and, with one tap, open your conversation in the messaging app you use together. Simple setup: • Pick a contact + messaging app. • Pick a photo from your library. • Add the photo widget to your Home Screen and the icon widget to your Lock Screen. • Tap the widget any time to open your conversation. Supported apps: • Messages (iMessage/RCS) • WhatsApp • Messenger • Telegram • LINE • Signal • Custom URL Supported widgets: • 3 photo widget sizes for your Home Screen. • 5 icon widget styles for your Lock Screen. • A control in 3 styles for your Lock Screen and Control Center, which you can also assign to your iPhone’s Action button. You can always update your configuration by opening the app via the app icon. App privacy: • The app and widget do not connect to the internet and no data is collected. • If you have Share Analytics turned on in the Settings app > Privacy & Security > Analytics & Improvements, we receive app analytics from Apple, but this does not contain your app data or personally identify you. • If iCloud Backup is turned on for the app in the Settings app, your app data is uploaded to iCloud. This app is not affiliated with iMessage, WhatsApp, Messenger, Telegram, LINE, or Signal. The use of this app is subject to your agreement to: • Apple’s Standard End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Apple’s Privacy Policy: https://www.apple.com/legal/privacy/
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
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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.
