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.
Create, edit, and collaborate on online documents with the Google Docs app.
Free · In-app purchases
Evidence scope: #60 is the current overall US Free chart position. 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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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 Google Docs: 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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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 offline functionality
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Sync issues with collaborators
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Complex sharing options
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Performance issues with large documents
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.
Create, edit, and collaborate on online documents with the Google Docs app. Work together in real time • Share documents with your team • Edit, comment, and add action items in real time Create anywhere, anytime—even offline • Capture spontaneous ideas on the fly • Get things done, even on the go, with offline mode • Save time and add polish with easy-to-use templates Edit and share multiple file types • Open a variety of files, including Microsoft Word files, right in Google Docs • Frictionless collaboration, no matter which application your teammates use • Convert and export files seamlessly Google Docs is part of Google Workspace: where teams of any size can chat, create, and collaborate. Google Workspace paid subscribers have access to additional Google Docs features, including: Use Gemini in Docs to quickly draft and edit content • Draft outlines, blog posts, briefs, and more on the go • Improve your writing with AI-powered suggestions Learn more about Google Docs: https://workspace.google.com/products/docs/ Follow us for more: • X: https://x.com/googleworkspace • Linkedin: https://www.linkedin.com/showcase/googleworkspace • Facebook: https://www.facebook.com/googleworkspace
Written user reviews are not shown here. Check current App Store reviews >
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.