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.
webrios brings the power of r to your iphone and ipad through webr, a webassembly distribution of r
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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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 webrios: map the core Developer Tools 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 functionality compared to full IDEs
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Potential performance issues with large code files
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of user support and documentation
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.
webrios brings the power of r to your iphone and ipad through webr, a webassembly distribution of r. run r code directly on your device with no server connection required. nearly full r environment run r 4.5 locally using webassembly technology in a nearly full feature r environment. your code executes entirely on your device, keeping your data private and secure. (some r packages are not available!) interactive console • execute r code with instant feedback • syntax highlighting for better readability • command history with easy recall • smart quote handling for mobile keyboards powerful editor • write and save r scripts • r-specific keyboard with common operators • syntax highlighting • run entire scripts or selected code data visualization • generate plots with standard r graphics • view plots in a dedicated gallery • export plots as images • customize plot backgrounds package management • install packages from the webr repository • browse available packages • manage installed packages • works with 15,000+ r packages compiled for webassembly environment inspector • view all variables in your workspace • see variable types, classes, and sizes • preview data values • monitor your r session state file management • create and edit r scripts • import data files • integration with ios files app • share files with other apps works offline once launched, webrios works completely offline. your code and data never leave your device unless you explicitly share them. perfect for • learning r on the go • quick data analysis • statistical calculations • code prototyping • teaching and demonstrations built with webr, an open-source mit-licensed project that compiles r to webassembly. learn more at https://r-wasm.org. this app is not affiliated with webr development team or posit. note: first launch requires a few seconds to initialize the r environment. some computationally intensive operations may be slower than desktop r due to webassembly constraints.
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.