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
闽南语学习-台湾话台语方言
闽南语学习无需联网，所有mp3音频离线保存，随时随地学习。
$0.99 · In-app purchases
PRICE
$0.99
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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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 闽南语学习-台湾话台语方言: map the core Travel 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 multiple dialects and languages for broader audience appeal.
Assumption to check: Limited language options and dialects available
Validate with people who use this workflow before building.
Hypothesis 2
Integrate more interactive quizzes and community features for engagement.
Assumption to check: Insufficient interactive features
Validate with people who use this workflow before building.
Hypothesis 3
Implement a gamification system with rewards and achievements.
Assumption to check: Poor user retention due to lack of gamification
Validate with people who use this workflow before building.
Hypothesis 4
Enhance lessons with more multimedia content (videos, images) for better learning.
Assumption to check: Limited audio and visual aids
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
闽南语学习无需联网，所有mp3音频离线保存，随时随地学习。 内容包含二十个大类，40个详细分类，均由专业播音员朗读。 闽南语（Manlam ngy）起源于福建泉州。主要分布地除闽南地区和台湾地区外，还广泛适用于闽东北地区、浙东南区、广东潮汕和海陆丰地区、广东雷州半岛、海南岛及东南亚的大部分华人社群。 闽南语在大陆常被称为泉州话、漳州话、厦门话、福建话、河洛话等；在台湾亦被称为台语、台湾话、河洛话或福佬话，在东南亚的海外华人则称为福建话或咱人话（台闽字写作咱侬话）。 【功能特色】 -兼容iPhone/iPad，无广告，无需联网； -支持锁屏控制、后台播放； -支持播放记忆、支持语速调节； -支持循环/单篇播放；
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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
Zustand
Supabase
react-navigation
expo-av
BUILD KIT DIFFICULTY
Intermediate
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.
