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
微信输入法
【问 AI 支持 DeepSeek/Hunyuan 深度回答】
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.1
721 ratings · Top 30%
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/
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 微信输入法: 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
Include more customizable themes and color options.
Assumption to check: Limited customization options for keyboard themes.
Validate with people who use this workflow before building.
Hypothesis 2
Improve emoji recognition and suggestion algorithms.
Assumption to check: Inconsistent emoji suggestions.
Validate with people who use this workflow before building.
Hypothesis 3
Optimize performance for faster predictions.
Assumption to check: Occasional lag in text prediction.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify settings layout and improve user guidance.
Assumption to check: Complex settings menu.
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
【问 AI 支持 DeepSeek/Hunyuan 深度回答】 支持在输入过程中随时获取和分享 AI 回答，生活百科、文案助手、深度回答随手可得。 【拼写 Plus 模式】 拥有问 AI、表情推荐、定制表情等功能，在聊天交流中，可以更便捷的分享你想表达的内容或表情。 【多种输入模式】 支持6种键盘输入模式和语音转文字功能，可以满足你的个性化输入需求，不用长按即可快捷语音转文字。 【快捷输入工具】 常用语、剪贴板、手写找字、拼写检查等功能，常用语快捷发送，让你的输入更快、更准。 隐私政策： https://wetype.weixin.qq.com/web/privacy?platform=ios
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
Zustand
React Native Reanimated
Expo-Clipboard
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.
