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
PYPD
PYPD is the concert companion for the 2026 CORTIS -TOUR - PUT YOUR PHONE DOWN
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 5.0
15 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's included15 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 PYPD: map the core Music 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
Implement personalized recommendations and enhanced search functionalities.
Assumption to check: Limited music discovery features compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 2
Add robust offline listening features with easy downloads.
Assumption to check: Poor offline playback capabilities.
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate social sharing features to enhance user engagement.
Assumption to check: No social sharing options.
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to create profiles with customizable settings and preferences.
Assumption to check: Lack of user profiles and customization options.
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
PYPD is the concert companion for the 2026 CORTIS -TOUR - PUT YOUR PHONE DOWN. One rule: the phone goes in your pocket, and your movement becomes part of the show. BE THE INSTRUMENT Check in when you arrive at the venue on show night. From that moment, your steps, jumps, and dancing are measured by your phone's motion sensors. Screen off, phone pocketed. No filming, no scrolling. Just you and everyone around you. FEEL THE ROOM LIGHT UP Every fan's motion feeds one shared, live energy meter. See how many COER are checked in around you and push the crowd's energy to its peak, together, in real time. YOUR NIGHT, WRAPPED When the lights come up, get your show recap: your energy, your rank in the crowd, and your moment in the tour. Fans who move make the credits. CITY VS. CITY Every show feeds the tour leaderboard, ranked by average energy per fan, so a theater crowd can out-dance an arena. Put your city on top. BUILT FOR THE PIT, NOT THE FEED Movement is measured on your device; only your energy score is shared to the leaderboard. Location is checked once at check-in to confirm you're at the venue. It is processed on-device and never uploaded. PYPD comes alive at shows of the 2026 CORTIS tour. Real shows unlock at the venue during showtime.
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
Axios
React Navigation
Redux
React Native Reanimated
BUILD KIT DIFFICULTY
Expert
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.
