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.
Proton Meet is a video conferencing tool that brings industry-leading encryption to your online calls, ensuring your meetings remain secure and protected.
Free · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Proton Meet: Secure Meetings: map the core Business workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Limited integration options with third-party apps.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Complex user onboarding process.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of customization options for meetings.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Performance issues during high user load.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Proton Meet is a video conferencing tool that brings industry-leading encryption to your online calls, ensuring your meetings remain secure and protected. Built by the same people behind Proton Mail and Proton VPN, you can now enjoy the same standards of digital privacy for every conversation, from personal catch-ups to confidential business meetings. Why choose Proton Meet? * Free to use — Host enterprise-grade conference calls for free. * Start in seconds — Create a meeting room link and invite anyone, even if they don't have a Proton Account or the Proton Meet app. * Collaborate with ease — Keep meetings running smoothly with features such as screen sharing, built-in chat, noise cancellation, and more. * Stay in control — Lock meetings and remove unwanted guests to ensure only the right people have access. * Seamless meeting scheduling — Manage scheduled calls directly from both Proton Meet and Proton Calendar by creating meeting links automatically. Allow others to book meetings with you using our private appointment scheduling tool. End-to-end Encrypted Proton Meet uses advanced Messaging Layer Security (MLS) to secure the content of your meetings from prying eyes. All calls, screen shares, and chat messages are encrypted from your device to your participants’ devices, and no one else can decrypt or listen in — not third parties, not hackers, not even Proton. Safe from AI Training With no collection, tracking, or monetization of your data, the contents of your meetings are completely safeguarded from being used to feed AI models. Open-source All Proton apps are open source. Anyone can see and verify that our Meet app does what we claim. Learn more about Proton Meet: proton.me/meet
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.