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
UPICK : Global Fandom Platform
upick is a global fandom platform for fans worldwide that love k-pop artists and korean actors.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 1.1
570 ratings · Below Average
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 included18 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 UPICK : Global Fandom Platform: 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
Enhance content categories and introduce interactive features like polls and quizzes.
Assumption to check: Limited content variety and engagement features
Validate with people who use this workflow before building.
Hypothesis 2
Implement a more aesthetically pleasing UI with improved navigation.
Assumption to check: Poor user interface and experience
Validate with people who use this workflow before building.
Hypothesis 3
Use algorithms to suggest content based on user preferences and activities.
Assumption to check: Low user retention due to lack of personalized content
Validate with people who use this workflow before building.
Hypothesis 4
Invest in better testing and quality assurance practices.
Assumption to check: Frequent bugs and crashes
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
upick is a global fandom platform for fans worldwide that love k-pop artists and korean actors. we have various events such as popularity vote, social community, fan gift, etc. world tour concerts, audition programs, award ceremonies etc. aside from our platform service, we are also preparing collaboration events with entertainment companies. ※ service introduction [uplay] join an open crowd funding for your bias yourself conveniently. put up advertisements or give donations to your favorite artists on special occasion such as birthdays or debuts etc. let’s complete the funding with your friends too. [pickplay] give your favorite artist the honor of winning 1st prize. [monthly pick] monthly popularity votes of k-pop artists and actors, etc. [1 pick] votes for various topics. [ustar] join the online community to talk with other fans and share your favorite artist's photos. check out various issues and information related to k-pop artists / korean actors / celebrities, etc. [artist] check out your favorite artist's profile, albums, music videos, recent works, and share conversations with fans across the globe. [official sns] https://twitter.com/upick_twt [1:1 inquiry e-mail] [email protected]
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
Zustand
@react-navigation/native
Firebase
Axios
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.
