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
Secure VPN - Safer & VPN Proxy
Secure VPN – Fast, Safe & Unlimited VPN Proxy
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.5
28,745 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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
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 Secure VPN - Safer & VPN Proxy: map the core Productivity 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
Implement more stable connection protocols and server selection.
Assumption to check: Frequent disconnections during use
Validate with people who use this workflow before building.
Hypothesis 2
Offer a wider range of global servers.
Assumption to check: Limited server locations
Validate with people who use this workflow before building.
Hypothesis 3
Enhance support options with chat or faster response times.
Assumption to check: Slow customer support response times
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
Secure VPN – Fast, Safe & Unlimited VPN Proxy Secure VPN is a powerful, fast, and secure VPN proxy designed to protect your online privacy and provide unlimited access to the global internet. With military-grade encryption, Secure VPN hides your IP address, secures your Wi-Fi connection, and ensures anonymous browsing anywhere, anytime. # Why Choose Secure VPN? 1. High-Speed & Stable Connection • Connect to high-speed VPN servers across the world. • Enjoy low latency, ultra-fast streaming, and smooth browsing. • Intelligent server selection ensures the best performance at all times. 2. Privacy & Security Protection • AES-256 encryption keeps your data safe from hackers and trackers. • Prevents DNS and IP leaks for fully private internet access. • Browse securely on public Wi-Fi, mobile networks, and hotspots. • No activity logs or personal data tracking — your privacy is always protected. 3. Unlimited & Free VPN Proxy • Unlimited bandwidth with no session or speed limits. • No registration required, just one tap to connect. • 100% free VPN proxy available anytime, anywhere. 4. Global Server Network Choose from optimized servers in multiple regions for better performance and lower ping: • North America: United States, Canada • Europe: Germany, France, UK, Netherlands, Spain, Italy • Asia-Pacific: Japan, Singapore, India, Australia • Other regions: Brazil, UAE, and more # Simple & Smart to Use With one-tap connect, Secure VPN automatically chooses the best available server for your device — offering you a seamless, secure, and private connection to the internet. # Subscription Information Upgrade to Secure VPN Premium for an ad-free experience and faster, exclusive servers. Enjoy free trials and flexible subscription options: • Weekly VIP Plan: 3-day free trial, then $6.99/week • Monthly VIP Plan: 3-day free trial, then $12.99/month • Annual VIP Plan: 3-day free trial, then $69.99/year • Payment will be charged to your iTunes Account at confirmation of purchase. • Subscription renews automatically unless canceled at least 24 hours before the current period ends. • Manage or cancel your subscription anytime in Account Settings. • Any unused portion of a free trial will be forfeited when a subscription is purchased. # Terms & Privacy • Terms of Service: https://www.securevpn.mobi/terms-of-use/ • Privacy Policy: https://www.securevpn.mobi/privacy-policy/ • Support Website: https://www.securevpn.mobi Download Secure VPN now and enjoy fast, safe, and unrestricted internet access with complete privacy protection!
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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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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.
