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
websta$-learn html css and js
This is a learning tool for efficient HTML, CSS, and JS learning, fast programming, local execution, Git retrieval, iCloud storage, efficient transfer and sharing via LAN HTTP/FTP multi-point connections.
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.6
67 ratings · Top 15%
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for websta$-learn html css and js: map the core Developer Tools 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 quizzes and coding challenges for hands-on learning.
Assumption to check: Limited interactive features in lessons
Validate with people who use this workflow before building.
Hypothesis 2
Implement a clearer navigation structure with guided flows.
Assumption to check: Navigation can be confusing with multiple tabs
Validate with people who use this workflow before building.
Hypothesis 3
Introduce forums or discussion boards for peer support.
Assumption to check: Lack of community features for users
Validate with people who use this workflow before building.
Hypothesis 4
Ensure standardized quality checks and user ratings for courses.
Assumption to check: Inconsistent content quality across courses
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
This is a learning tool for efficient HTML, CSS, and JS learning, fast programming, local execution, Git retrieval, iCloud storage, efficient transfer and sharing via LAN HTTP/FTP multi-point connections. (^.^) It aspires to help you who want to learn, develop, and improve! !!!(^.^) (^.^) Read a variety of learning materials at your leisure and run examples while learning, making it easy to understand and efficient. (^.^) Use code templates, autocomplate, auto-indentation, code coloring, symbol completion, a symbol keyboard, text search, multi-file search, multi-line indentation, and multi-line comments to make development more convenient. (^.^) Access iCloud easily and synchronize across multiple devices for efficient collaboration. (^.^) Retrieve source code projects from GitHub with Git. (^.^) Efficiently transfer files via LAN or Bluetooth connections via HTTP/FTP multi-point connections. (^.^) Find learning materials easily through the built-in browser. Simply select code in the built-in browser to run it. (^.^) Open file formats like txt, pdf, chm, mp3, m4v, zip, gif, png, html, py, doc, etc. easily through the file system. (^.^) Adjust code color, font size, and line spacing for a more comfortable reading experience. (^.^) Customize background images and colors, text color and shadow, text font, text size, background animation, interface transition animation, the number and order of tabs on the main interface to create your own personalized learning software. (^.^) Generate QR codes for HTML, CSS, and JS scripts and learning materials, and scan them to access them. (^.^) Share HTML, CSS, and JS scripts and learning materials via email, Weibo, Twitter, and Facebook. Code templates - The contents of a new file will copy the contents of the code template.
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
Supabase
React Navigation
Axios
React Native Reanimated
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.
