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
Leavely
**Are you really using your leave days wisely?**
$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.
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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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 Leavely: 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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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
Integrate social media sharing options to enhance user engagement.
Assumption to check: Lack of user engagement features like social sharing
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to customize trip details and share personal experiences.
Assumption to check: Limited customization options for trips
Validate with people who use this workflow before building.
Hypothesis 3
Enable offline mode for users to access saved trips without internet.
Assumption to check: Absence of offline access to saved trips
Validate with people who use this workflow before building.
Hypothesis 4
Implement reminders and notifications for trip planning and updates.
Assumption to check: No reminders or notifications for upcoming trips
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 really using your leave days wisely?** Leavely is not just a tracker. It is a smart vacation planning tool that helps you maximize your time off by analyzing public holidays and recommending the most efficient leave strategies. Most leave apps only record your days. Leavely helps you optimize them. --- **Smart Leave Planning** Leavely automatically analyzes public holidays and suggests the best combinations of leave days so you can create longer vacations with fewer days off. Never miss a long weekend opportunity again. **Visual Calendar** Easily view, add, and manage your leave in a clean monthly calendar. Prevent duplicate entries and keep track of your remaining days and expiration dates at a glance. **Leave Insights** Understand your leave habits with monthly statistics and usage patterns. Plan smarter for the year ahead with data-driven insights. **Vacation Memories** Bring your past vacations back to life. Add photos, rate your experiences, and revisit your best moments anytime from your home screen. **Global Holiday Intelligence** Supports public holidays in 54 countries across Asia, Europe, the Americas, Oceania, and the Middle East & Africa — all built in, no internet required. - Asia: South Korea, Japan, China, Hong Kong, Taiwan, Vietnam, Thailand, Singapore, India, Indonesia, Malaysia, Philippines, Bangladesh - Europe: United Kingdom, France, Germany, Spain, Italy, Netherlands, Belgium, Austria, Switzerland, Sweden, Norway, Denmark, Finland, Poland, Czech Republic, Hungary, Romania, Greece, Portugal, Ireland, Turkey, Russia, Ukraine, Croatia - Americas: United States, Canada, Mexico, Brazil, Argentina, Colombia, Chile, Peru - Oceania: Australia, New Zealand - Middle East & Africa: Saudi Arabia, UAE, Israel, Egypt, Nigeria, Kenya, South Africa All holiday data for 2026–2028 is bundled directly in the app. No Wi-Fi is needed to view public holidays. **Personal Calendar Import** Use your company or personal holiday calendar alongside national holidays. Import events directly from your iPhone Calendar app or any ICS file. Choose to merge with national holidays or use your personal calendar exclusively. **Multi-Language Support** Available in 7 languages: English, Korean, Japanese, Chinese, Spanish, German, and French. **Widgets** See your next day off at a glance. Countdown to vacation, right on your home screen. Available in small and medium sizes. **iCloud Sync** Your data stays up to date across all your devices using your iCloud account. **Export** Export your leave records as CSV or PDF for work reports or personal tracking. **Privacy First** Leavely does not collect or store your personal data on external servers. All data stays on your device and your iCloud.
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
@react-navigation/native
expo-image-picker
react-native-datepicker
Zustand
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.
