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
CyberGhost: Safe & Private VPN
Your online privacy matters
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.2
39,437 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.
Build your own version
Build Kit
Make this idea yours
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Add to a Remix
Combine features and design from your favorite apps.
Kit ready. Verify your email to download it.
Generating… usually about a minute.
Make it yours Optional
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/
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.
JavaScript is required to complete mailbox verification.
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 CyberGhost: Safe & Private VPN: map the core Productivity workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
Preview ready. Verify your email to reveal and copy the full prompt.
JavaScript is required to complete mailbox verification. Return to this prompt preview.
Continue in Rork >
Affiliate link: CloneChart may earn a commission at no extra cost
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
Improve server stability and speed optimization.
Assumption to check: Frequent connection drops and slow speeds
Validate with people who use this workflow before building.
Hypothesis 2
Simplify subscription process and provide clearer options.
Assumption to check: Complex subscription management
Validate with people who use this workflow before building.
Hypothesis 3
Expand server coverage globally.
Assumption to check: Limited server locations compared to competitors
Validate with people who use this workflow before building.
Hypothesis 4
Enhance onboarding process and provide tooltips.
Assumption to check: Confusing user interface 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
Your online privacy matters. With CyberGhost VPN, you can browse the web with peace of mind, knowing your personal data is safe. It's simple to use, reliable, and packed with powerful features, so you know you're getting top-tier protection at great value. Trusted by PCMag, TechAdvisor, TechRadar, and more! "CyberGhost is my go-to VPN for privacy, speed, and security. With amazing servers worldwide and a strict no-logs policy, it’s the VPN I trust." — Brandon Stosh, Freedom Hackers "Perfect for first-time users but packed with features that even the privacy expert will love. CyberGhost is a winner!" — THEVPNLAB "Simple for beginners, with the advanced features a pro would want—CyberGhost is a solid VPN solution." — TechAdvisor Why CyberGhost VPN Is A Great Choice for the US: ■ Top-Notch Encryption CyberGhost VPN keeps your connection secure with military-grade encryption. Whether you're browsing or streaming, you’re always protected from prying eyes. ■ No Logs, Ever We’re serious about privacy. Our no-logs policy means we don’t track or store any of your online activity. Your data is yours, and we respect that. ■ Lightning-Fast Speeds Need speed? With CyberGhost VPN, enjoy fast browsing, streaming, and downloading without slowdowns. Plus, we offer 10-Gbps servers across the globe for the ultimate in online freedom. ■ Access the Web Without Boundaries Unlock the full potential of the internet. CyberGhost VPN lets you access content from anywhere, whether you’re at home or abroad. ■ Your Personal VPN in One Tap Get instant protection with just a single tap! The user-friendly interface makes it easy for anyone to get started—no technical know-how required. ■ Start with a 7-Day Free Trial Experience CyberGhost VPN with a no-strings-attached 7-day free trial. Test it out and see for yourself why millions trust us to keep them safe online. ■ Always Here for You Need help? Our 24/7 support team is available in English, as well as French and German, and ready to assist you anytime. ■ Join 36 Million+ Users Who Trust CyberGhost VPN Discover why CyberGhost VPN is consistently rated as one of the most reliable and secure VPNs by leading tech experts. ■ Choose Your Plan After the 7-day free trial, your subscription will automatically renew unless canceled 24 hours before the end of the trial period. You can easily manage your subscription through your Apple ID settings. CyberGhost VPN—Your VPN for Freedom and Security. Learn more: https://www.cyberghostvpn.com/terms Let's Connect Follow us on social media: ▸ Facebook: https://www.facebook.com/cyberghostEN ▸ Twitter: https://twitter.com/cyberghost_EN ▸ YouTube: http://www.youtube.com/user/cyberghostvpn
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
< Scroll to see more >
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
Axios
React Navigation
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.
