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
vocalflow | 声流
【不仅是语音输入，更是你的 24h 随身翻译官】
$0.29 · In-app purchases
PRICE
$0.29
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for vocalflow | 声流: map the core Productivity 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 search and filtering capabilities for personalized exercise recommendations.
Assumption to check: Users often struggle with finding exercises that suit their specific needs.
Validate with people who use this workflow before building.
Hypothesis 2
Introduce gamification elements like badges and achievements for motivation.
Assumption to check: Limited progress tracking features can lead to user disengagement.
Validate with people who use this workflow before building.
Hypothesis 3
Improve transparency around subscription benefits and have a clear trial period.
Assumption to check: In-app purchases can be confusing and lack clarity.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify audio controls and add visual cues for better user interaction.
Assumption to check: Users may find the audio playback interface unintuitive.
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
【不仅是语音输入，更是你的 24h 随身翻译官】 VocalFlow 是一款革命性的 AI 语音键盘应用。我们不仅仅把你的声音变成文字，更致力于打破语言障碍。 依托先进的 AI 模型，Vocalflow 让你实现“母语输入，全球输出”。 核心亮点：说中文，直接出外语 无需在翻译软件和聊天 App 之间来回跳转！只需切换到 Vocalflow 键盘，按住麦克风说中文，AI 将立刻将其转换为高质量的目标语言文本并直接输入。 支持语种： 英语、日语、韩语、法语、粤语（书面语/口语）、俄语、葡萄牙语等。 商务级翻译： 无论是回复英文邮件，还是与日本客户 Line 聊天，AI 都能生成得体、准确、符合语境的文字。 全局 AI 键盘，无处不在 作为一个系统级键盘扩展（Keyboard Extension），VocalFlow 完美融入你的 iPhone： 微信/WhatsApp： 聊天秒回，沟通无国界。 邮件/Slack： 走路也能高效处理工作，自动润色成商务文风。 备忘录/Notion： 抓住灵感瞬间，自动排版，智能添加标点。 智能 AI 大脑 自动润色： 自动去除“那个、呃、然后”等口语废话，输出如书面语般流畅。 长语音转写： 支持长时间录音转写，会议纪要、课堂笔记轻松搞定。 方言支持： 听得懂你的口音，精准识别。 隐私至上 你的数据属于你自己。我们采用严格的加密技术，专注于保护您的隐私与商业机密。 适用人群： 外贸与跨国企业职员 语言学习者与留学生 内容创作者与文字工作者 追求极致效率的极客用户 立即下载 Vocalflow，体验“动口不动手”的跨语言沟通新方式！
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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
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react-navigation
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expo-av
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.
