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
Greenbelt 2026
Welcome to the Greenbelt 2026 app - your ultimate festival companion.
$4.99
PRICE
$4.99
No 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.
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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/
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 Greenbelt 2026: map the core Entertainment 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
Introduce social sharing and event reminders
Assumption to check: Limited user engagement features
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to create a personal schedule
Assumption to check: Lack of personalization options
Validate with people who use this workflow before building.
Hypothesis 3
Implement offline storage for schedules and speaker info
Assumption to check: No offline access to schedules
Validate with people who use this workflow before building.
Hypothesis 4
Enhance search with filters and tags
Assumption to check: Inadequate search functionality
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
Welcome to the Greenbelt 2026 app - your ultimate festival companion. Created with you in mind, the app puts the full festival programme in the palm of your hand. It lets you curate your dream schedule, get reminders before your favourite shows start, use our interactive festival map (with live location), explore mouth-watering details about food and drink traders, and search all things Greenbelt to your heart’s content. The app is updated in real time, so we can keep you in the loop with any last-minute programme or timing changes - and it even works offline! The 2026 edition of the Greenbelt app contains some of your most-requested features, including: - The clash-finder returns! See our full programme on the brand-new timeline, and easily see which sessions on our schedule are clashing. We hope you like it! - Keep track of the notifications you've received with our new notification log. See your unread notifications on the home tab, along with all of your read notifications within the menu. Notifications will now also open with relevant content, making it easier for you to see what's changed. - 'Find My' returns with the ability for you to add any location - your tent, car, van, meet-up point, friend's tents, your favourite spot to sit under the trees... truly anything you can think of! - Custom sessions! Add your meet-ups with friends, dinner rotas, lunch plans and more - and see them within your personalised schedule. - Notes! Want to plan in-depth? You can now add notes against talks / artists / workshops in-app and easily view them in the Notes screen within the menu later on. - Improved filtering capabilities - making it easier for you to find what you're looking for. We can’t wait to see you in the fields. But for now, download the app, dig in, and enjoy.
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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.
SUGGESTED BUILD STACK
React Native
Expo
React Navigation
Axios
react-native-maps
expo-image-slider
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.
