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
XRay Connect
Xray Connect is a free VPN client that supports a wide range of protocols including v2ray, vmess, vless, xtls, trojan, shadowsocks, providing secure and fast browsing.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
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 included16 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 XRay Connect: 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
Focus on user experience and gather feedback for continuous improvement.
Assumption to check: Limited user feedback and ratings may indicate poor usability or lack of features.
Validate with people who use this workflow before building.
Hypothesis 2
Provide clear tutorials and onboarding to ease user adoption.
Assumption to check: Developer tools often have a steep learning curve.
Validate with people who use this workflow before building.
Hypothesis 3
Offer competitive pricing and a free tier to attract new users.
Assumption to check: Many developer tools are expensive.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify metrics presentation and offer guided insights.
Assumption to check: Performance metrics can be overwhelming without context.
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
Xray Connect is a free VPN client that supports a wide range of protocols including v2ray, vmess, vless, xtls, trojan, shadowsocks, providing secure and fast browsing. Key Features: Log: Keep track of your activities. Assets: Manage your VPN configurations and resources. DNS: Easily set and customize DNS settings for privacy. Route: Configure routing for optimized connection speeds. Inbound & Outbound: Manage inbound and outbound traffic for better control and security. No Ads: Enjoy an ad-free experience. Features: Toggle TLS allowInsecure in the VPN settings. Test VPN latency, sort by latency, and delete failed VPN configurations. Receive push notifications for the latest updates.
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
Zustand
React Navigation
Axios
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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.
