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
Jamp Jamp VPN - Ulimited Proxy
Jamp Jamp VPN – Fast, Secure, and Reliable VPN Connection
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.3
172 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 included17 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 Jamp Jamp VPN - Ulimited Proxy: map the core Utilities 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
Offer a wider range of server locations and performance metrics
Assumption to check: Limited server selection compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement speed test and server load indicators
Assumption to check: Inconsistent connection speeds
Validate with people who use this workflow before building.
Hypothesis 3
Provide a more generous free trial or usage allowance
Assumption to check: Paywall appears too soon for users
Validate with people who use this workflow before building.
Hypothesis 4
Include onboarding and educational content for new users
Assumption to check: Lack of informative tutorials or guides
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
Jamp Jamp VPN – Fast, Secure, and Reliable VPN Connection Jamp Jamp VPN delivers high-speed, stable, and secure network connections for users worldwide. Designed with a clean interface and advanced connection technology, it ensures smooth browsing, streaming, and gaming across all network conditions. Key Features Instant One-Tap Connection Jamp Jamp VPN focuses on speed and simplicity. With one tap, the app connects to the fastest available server, optimizing your performance for streaming, gaming, video calls, and everyday browsing. Global Server Network Choose from a wide range of free servers available immediately upon installation. Upgrade to Premium to unlock more countries, high-speed dedicated lines, and improved stability for demanding network environments. Advanced Connection Protocols Jamp Jamp VPN provides multiple professional-grade protocols to ensure the best performance in different network conditions. Thunder: High-performance UDP protocol optimized for speed and low latency. Reliable: Traditional TCP-based protocol designed for stable and consistent connections. Stealth: Encrypted WebSocket-based protocol designed for maximum privacy and traffic obfuscation. These protocols allow Jamp Jamp VPN to stay stable even under weak or restricted networks. Built-in Speed Test The integrated Speed Test tool measures download speed, upload speed, and latency in real time. A visual meter clearly displays your network performance before or after connecting to the VPN. Clear Connection Status Once connected, the app displays server location, IP address, uptime, and selected protocol. Users can easily understand connection details and monitor session stability at any time. Multi-Language Support and Full Settings Jamp Jamp VPN supports multiple languages and offers a complete settings suite, including support center access, privacy policy, terms of service, share options, and rating prompts. Why Choose Jamp Jamp VPN High-speed server performance Stable and optimized connection protocols Strong security and privacy protection Free servers available without registration Premium servers for enhanced speed and reliability Modern and intuitive user interface No logs collected Subscription Plans Weekly Subscription: $4.99/week Annual Subscription: $49.99/year Legal & Privacy Privacy Policy : https://jampjampvpn-d4221.web.app/Privacy.html Terms of Service : https://jampjampvpn-d4221.web.app/Terms.html
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
Zustand
axios
react-navigation
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.
