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
StarReel
StarReel is a popular short drama app that brings you a massive collection of trending mini-series from around the world
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 1.7
11 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 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 StarReel: map the core Utilities 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
Add advanced features like data analytics or sharing ratings
Assumption to check: Limited functionality compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement a modern, user-friendly design
Assumption to check: Poor user interface and experience
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize rating scales or categories
Assumption to check: Lack of customization options
Validate with people who use this workflow before building.
Hypothesis 4
Provide clear descriptions and values for subscription tiers
Assumption to check: In-app purchases are unclear or poorly explained
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
StarReel is a popular short drama app that brings you a massive collection of trending mini-series from around the world. With a vast library of captivating stories, it offers users a quick and engaging way to enjoy entertainment anytime, anywhere. Whether you love romance, comedy, or thrillers, StarReel delivers endless episodes and fresh content, making it the go-to platform for today’s short drama enthusiasts. [Auto-Renewable Subscription Terms] Service Name: Continuous Monthly Subscription (1 month) Price: The continuous monthly subscription costs $49.99. Billing: Your iTunes account will be charged 24 hours before the end of each subscription period. Once the payment is successful, the subscription will automatically renew for the next period. Canceling Subscription: To cancel your subscription, go to "Settings" on your iPhone → Tap "iTunes & App Store" → Tap your "Apple ID" → Select "View Apple ID" to access the "Account Settings" page. Tap "Subscriptions" and select "Cancel Subscription" for the VIP membership service. If you do not cancel at least 24 hours before the end of the current subscription period, it will be deemed that you agree to continue the subscription, and the subscription will automatically renew. privacy policy : https://www.csmoxun.com/private teams of use: https://www.csmoxun.com/member_ship_agreement
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
react-native-paper
react-native-async-storage
BUILD KIT DIFFICULTY
Advanced
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.
