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
WeChat is more than a messaging and social media app – it is a lifestyle for one billion users across the world
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.9
81,648 ratings · Top 50%
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 included19 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 WeChat: map the core Social Networking workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
WeChat is more than a messaging and social media app – it is a lifestyle for one billion users across the world. Chat and make calls with friends, read news and use local services in Official Accounts and Mini Programs, play games with friends, enjoy mobile payment features with Weixin Pay, and much more. Why do one billion people use WeChat? • MORE WAYS TO CHAT: Message friends using text, photo, voice, video, location sharing, and more. Create group chats with up to 500 members. • VOICE & VIDEO CALLS: High-quality voice and video calls to anywhere in the world. Make group video calls with up to 15 people. • REAL-TIME LOCATION: Not good at explaining directions? Share your real-time location with the tap of a button. • MOMENTS: Never forget your favorite moments. Post photos, videos, and more to share with friends on your personal Moments stream. • STICKER GALLERY: Browse thousands of fun, animated stickers to help express yourself in chats, including stickers with your favorite cartoon and movie characters. • CUSTOM STICKERS: Make chatting more unique with custom stickers and selfie stickers. • OFFICIAL ACCOUNTS: Tons of accounts to follow with original content and news for your reading pleasure. • MINI PROGRAMS: Countless third-party services all within the WeChat app that don't require additional installation, saving you precious phone storage and time. • TOP STORIES: See the latest articles your friends are reading and discover all kinds of interesting content. • GAMES: Have fun and compete with friends in a huge selection of WeChat Mini Games and Tencent Games (available in select regions). • WEIXIN PAY: Enjoy the convenience of world-leading mobile payment features with Weixin Pay and Wallet (available in select regions). • WECHAT OUT: Make calls to mobile phones and landlines around the globe at super low rates (only available in select regions). • WERUN: Use Healthkit and Health app data to sync your step count on WeRun, where you can compete against friends with daily step rankings. Enable WeRun in “Settings” > “General” > “Plug-ins”. • LANGUAGE SUPPORT: Localized in 20+ different languages and can translate friends' messages and Moments posts. • BETTER PRIVACY: Giving you the highest level of control over your privacy, WeChat is certified by TRUSTe - view our privacy policy for more information. • EASY MODE: Clearer and larger text and buttons for better readability.
Written user reviews are not shown here. Check current App Store reviews >
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 optimized media handling and caching.
Assumption to check: Slow loading times for media-rich moments.
Validate with people who use this workflow before building.
Hypothesis 2
Enhance privacy controls and user options.
Assumption to check: Limited privacy settings for users.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify navigation and UI elements.
Assumption to check: Complex user interface can be overwhelming.
Validate with people who use this workflow before building.
Hypothesis 4
Provide customizable notification settings.
Assumption to check: Frequent notifications can lead to user fatigue.
Validate with people who use this workflow before building.
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
Supabase
react-navigation
react-native-reanimated
expo-image-picker
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.
