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
MeiLing VPN : Super Fast VPN 2
MeiLing VPN : Super Fast VPN
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.2
119 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 included16 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 MeiLing VPN : Super Fast VPN 2: map the core Utilities 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
Offer more countries and server choices for better performance.
Assumption to check: Limited server options and locations
Validate with people who use this workflow before building.
Hypothesis 2
Implement speed tests for users to select optimal servers.
Assumption to check: Connection speed can vary significantly
Validate with people who use this workflow before building.
Hypothesis 3
Provide in-app help and tutorials for first-time users.
Assumption to check: Lack of user support and documentation
Validate with people who use this workflow before building.
Hypothesis 4
Introduce user accounts for personalized settings and preferences.
Assumption to check: No option for account management
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
MeiLing VPN : Super Fast VPN Lightning-Fast · Secure · Global Access Whether you're browsing, streaming, or working remotely, MeiLing VPN delivers the perfect blend of speed and security. It creates a private, encrypted tunnel for your online activities — shielding you from cyber threats, surveillance, and data snooping, while ensuring a smooth, buffer-free experience wherever you are. Simple, Intuitive, and Ready in Seconds No complicated setup. No technical hassle. MeiLing VPN features a clean, user-friendly interface that lets you connect with just one tap. Whether you're new to VPNs or a seasoned pro, you'll be up and running in no time. Why Choose MeiLing VPN? Bank-Grade Encryption — Your data is protected by advanced encryption protocols, ensuring your communications stay private and secure from interception or leaks. Smart Connect — Our intelligent algorithm instantly connects you to the fastest available server, minimizing latency and maximizing your browsing, streaming, and downloading speed. High-Speed Server Network — With servers strategically deployed across multiple regions, enjoy stable and reliable connectivity wherever your work or life takes you. Committed to Excellence Behind MeiLing VPN is a dedicated team of professionals who continuously refine and enhance our service. We're committed to delivering a premium experience — one that combines performance, reliability, and peace of mind. Choosing MeiLing VPN means choosing a trusted partner for your digital life. Freedom. Speed. Security. MeiLing VPN : Super Fast VPN brings it all together. Whether you're exploring the web, watching your favorite shows, or simply staying connected — do it with confidence, do it with MeiLing. Download MeiLing VPN today and take control of your online experience. Private Policy：https://meilingtech.com/privacy.html Terms of Service：https://meilingtech.com/terms.html
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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
React Navigation
Axios
react-native-elements
expo-location
BUILD KIT DIFFICULTY
Expert
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.
