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
Passepartout, VPN Client
Protect your online privacy with Passepartout, a smart VPN client seamlessly integrated with iOS, macOS, iPadOS, and tvOS.
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.8
1,209 ratings · Top 5%
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 Passepartout, VPN Client: 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
Optimize server selection and connection protocols.
Assumption to check: VPN connection speed can be inconsistent
Validate with people who use this workflow before building.
Hypothesis 2
Add more server options and improve discovery.
Assumption to check: Limited server locations
Validate with people who use this workflow before building.
Hypothesis 3
Simplify settings and provide better onboarding.
Assumption to check: Confusing settings interface
Validate with people who use this workflow before building.
Hypothesis 4
Clarify pricing and provide transparent subscription options.
Assumption to check: In-app purchases may be unclear
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
Protect your online privacy with Passepartout, a smart VPN client seamlessly integrated with iOS, macOS, iPadOS, and tvOS. HOW PASSEPARTOUT WORKS Passepartout includes basic import and connection features. Additional features require an in-app purchase. INCLUDED FEATURES: - Support for OpenVPN and WireGuard protocols. - OpenVPN obfuscation (using --scramble). - Shortcuts automation for streamlined operations. - Exclude endpoints for precise control. OpenVPN support focuses on common options; compression is not supported because it is not secure. REQUIRES AN IN-APP PURCHASE: - Support for Apple TV. - On-demand rules for smart, automated connections. - iCloud sharing for seamless multi-device use. - DoH/DoT for secure DNS queries. - Domain matching for split DNS. - Export and share profiles. - Custom routing for advanced configurations. - Interactive login with support for one-time passwords (OTP). - Non-VPN profiles (e.g. DNS/Proxy-only setups). FAMILY SHARING ENABLED All purchases support Family Sharing, so you can share them with your family members. PRIVACY YOU CAN TRUST Passepartout is built with transparency and privacy in mind: - See exactly which servers you’re connecting to. - No ads, trackers, or unnecessary background activities—just the VPN connection you need. OPEN SOURCE AND COMMUNITY-DRIVEN Passepartout is open source and constantly evolving with the help of its community. Check out the project on GitHub: https://github.com/partout-io ~ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://passepartoutvpn.app/privacy/
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
Expo
Redux
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.
