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
Guru VPN: Super Fast Unlimited
guru vpn: unlock the full potential of the internet
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
1,550 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 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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Guru VPN: Super Fast Unlimited: 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 auto-reconnect feature to maintain connection.
Assumption to check: Frequent disconnections during use
Validate with people who use this workflow before building.
Hypothesis 2
Offer a wider range of server locations for better performance.
Assumption to check: Limited server locations
Validate with people who use this workflow before building.
Hypothesis 3
Simplify subscription tiers and provide clearer feature descriptions.
Assumption to check: Confusing subscription options
Validate with people who use this workflow before building.
Hypothesis 4
Implement a chatbot for faster user queries.
Assumption to check: Slow customer support response
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
guru vpn: unlock the full potential of the internet get a secure and private online experience with guru vpn, the ultimate vpn app designed to protect you. whether you're browsing, streaming, or gaming, guru vpn has got you covered. why choose guru vpn? privacy protection: safeguard your online identity and data with encryption, keeping your personal information safe from prying eyes. high-speed performance: experience seamless streaming and quick downloads with our high-speed servers*, optimized for your specific needs. user-friendly interface: guru vpn is designed with simplicity in mind, making it easy to connect with just a single tap. strict no-logs policy: rest easy knowing that guru vpn adheres to a strict no-logs policy, ensuring your online activities remain completely private. whether you're concerned about your online privacy, want to access global content, or simply need a faster, more secure connection, guru vpn is your go-to vpn solution. how to start: download the app. tap "connect". that's it! you're secure. unlock the full guru vpn experience upgrade to premium for unlimited access to our fastest global servers and exclusive virtual locations. choose between weekly, monthly, or yearly plans. subscription details: payment will be charged to your itunes account upon confirmation of purchase. subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. your account will be charged for renewal within 24 hours prior to the end of the current period. you can manage and turn off auto-renewal of your subscription by going to your account settings in the itunes store after purchase. ready to experience the internet the way it was meant to be - safe, fast, and borderless. download guru vpn today. our website: https://guruvpn.com/en terms of use: https://guruvpn.com/terms privacy policy: https://guruvpn.com/policy
Written user reviews are not shown here. Check current App Store reviews >
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
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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.
