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
Super VPN - Secure VPN Master
experience ultimate security and freedom with super vpn
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.5
19,412 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.
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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 included17 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 Super VPN - Secure VPN Master: 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
Implement more robust connection algorithms.
Assumption to check: Frequent disconnections during use
Validate with people who use this workflow before building.
Hypothesis 2
Expand server offerings to improve user experience.
Assumption to check: Limited server locations
Validate with people who use this workflow before building.
Hypothesis 3
Provide an ad-free experience with premium subscriptions.
Assumption to check: In-app ads can be intrusive
Validate with people who use this workflow before building.
Hypothesis 4
Optimize server performance and reduce latency.
Assumption to check: Slow connection speeds
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
experience ultimate security and freedom with super vpn ■ super vpn: protect your privacy everywhere: • safeguard your identity and location with super vpn. • enjoy anonymous browsing with no logs kept. • secure your data on public wi-fi networks effortlessly. - super vpn guarantees your online security. ■ super vpn: unlimited traffic, ultra-fast speed, unlimited access: • access global content with unlimited traffic. • stream hd videos and download files at lightning speed. • connect seamlessly to multiple virtual locations. - super vpn delivers blazing-fast performance. ■ super vpn: for every device, one solution: • protect all your devices with one account. • enjoy hassle-free security with just one tap. • whether it's iphone, ipad, mac, or more, super vpn has you covered. - super vpn is your all-in-one vpn solution. ■ super vpn: free trial available: download now and enjoy a free trial to experience our premium service! join millions of users worldwide who trust super vpn for secure and unrestricted internet access. download now and experience the difference! super vpn intruction of auto-renewing subscriptions 1.subscription period and price -subscription period：30 days -subscription price：$11.99 for 30 days -subscription period：1 year -subscription price：$59.99 for 1 year 2.payment：the payment record will store in your itunes account after you confirm the bill and pay it. 3.subscription cancellation:if you want to stop the subscription,please turn off the auto renewal in itunes/apple id setting by manually in 24 hours advance before the new subscription period beginning 4.renewal：itunes account will deduct your balance in 24 hours advance before your current subscription end.the subscription will prolong a period based on the vip you choosed after you pay it successfully. 5.the remian of free trial time(if provided) will cancel after you ordering the subscription successfully. 6.privacy policy: https://www.9527.click/privacypolicy.html 7.terms of service: https://www.9527.click/termsofservice.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
Zustand
react-navigation
react-native-vector-icons
Axios
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.
