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
VPN 360: Secure Fast VPN Proxy
VPN 360 gives you unlimited VPN access to secure your privacy both online and on public Wi-Fi
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
317,354 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
Make this idea yours
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 included18 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 VPN 360: Secure Fast 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
Offer a wider range of free servers or trials.
Assumption to check: Limited free server options can frustrate users.
Validate with people who use this workflow before building.
Hypothesis 2
Implement more reliable connection handling.
Assumption to check: Connection drops are common.
Validate with people who use this workflow before building.
Hypothesis 3
Provide server recommendations based on user location and speed.
Assumption to check: Speed may vary significantly.
Validate with people who use this workflow before building.
Hypothesis 4
Create a guided onboarding tutorial.
Assumption to check: User interface can be confusing for new users.
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
VPN 360 gives you unlimited VPN access to secure your privacy both online and on public Wi-Fi. Experience fast, reliable connections with our private VPN proxy, providing world-class security to protect your online identity from hackers and security threats. Whether you're browsing, gaming, watching your favorite videos, or shopping, VPN 360 keeps your online activity safe and your IP address hidden. With VPN 360, you get: • Unlimited VPN Access• One-Tap Security: effortlessly secure your Wi-Fi with encrypted VPN protocols • Malware and Phishing Protection: browse safely with built-in security features • Advanced Proxy Settings: maximize your Wi-Fi security for a worry-free experience • 24/7 Customer Support: we're here to help you anytime • No registration or credit card required for our free with ads option - enjoy free access and complete privacy with no saved logs or email requirements • No Registration Needed: Premium Version includes: • 1800+ ultra fast VPN proxy servers across 125+ global locations • Speeds up to 1 Gbps • Optimized VPNs for enjoying your favorite video content and HD gaming with enhanced performance • Multi-device support: use VPN 360 across up to 10 devices simultaneously • Ad-free experience: enjoy unlimited access without interruptions Subscription fees for VPN 360 Premium are paid through the App Store at the point of enrollment and subscriptions automatically renew based on the subscription term you select, unless auto-renew is turned off at least 24-hours before the end of the subscription period. Any unused portion of a trial period will be forfeited upon purchasing a subscription. Privacy Policy: https://www.vpn360.com/legal/privacy-policy/ Terms of Service: https://www.vpn360.com/legal/software-license-and-terms-of-service/ VPN 360: Your Unlimited VPN for Online Privacy and Security!
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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
Supabase
React Navigation
Axios
React Native Async Storage
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.
