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
phpwin
Turn your device into a web server with php support.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.4
37 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 phpwin: 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
Incorporate more features like debugging tools and version control.
Assumption to check: Limited functionality compared to desktop IDEs
Validate with people who use this workflow before building.
Hypothesis 2
Optimize code execution and file handling for better performance.
Assumption to check: Performance issues with large files
Validate with people who use this workflow before building.
Hypothesis 3
Add functionality for real-time collaboration on code.
Assumption to check: Lack of collaboration features
Validate with people who use this workflow before building.
Hypothesis 4
Improve UI consistency and enhance user onboarding.
Assumption to check: Inconsistent user experience
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
Turn your device into a web server with php support. With phpwin, you can develop, debug and manage PHP files offline without an internet connection using Scintilla script editor phpwin is a complete web server environment with PHP including POST/GET, sessions,openssl, libxml, curl, cookies... App features: - PHP 8 with most extensions (such as MySQL, SQLite, Curl, OpenSSL, SOAP, ImageMagick, PostgreSQL...) - Custom URL rules - Set iCloud drive as document root - Git client - Code editor - Auto-Complete - Image editor - Latest version of Composer - In-App Safari Web browser - html/js/css beautifiers in script editor - Multi-tabbed script/image editor - File manager - Set as standalone web application (Wordpress and Laravel supported) - Remote file manager (access multiple accounts) - FTP/SFTP/FTPS/iCloud managers - phpMyAdmin to access remote MySQL - phpLiteAdmin - Eruda (Console for Mobile Browsers) - Profiler - Syntax validator for PHP, HTML, JS & CSS - PHP lessons - "PHP: The Right Way" Book - Split screen on iPad - Multitasking on iPad Standalone web application feature allows you to use your web application in fullscreen at startup, similar to PhoneGap but with the support of PHP. Note: phpwin doesn't include MySQL server, only phpMyAdmin. For more information & inquiries please contact me through phpwin's website
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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
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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.
