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.
NOTE: Can only be used together with VoiceOver (for blind and partially sighted people).
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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.
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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 VO Calendar: 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 customization for event categories
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inadequate notifications for upcoming events
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of collaboration features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No integration with other calendars
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.
NOTE: Can only be used together with VoiceOver (for blind and partially sighted people). VO Calendar is a weekly calendar specifically designed to be used with VoiceOver. The result of this VoiceOver-only design is not only a smoother navigation through the app. It also makes it possible for the VoiceOver speech to give smart summaries depending on the context. This prevents you from having to go through each event Individually. Existing events are automatically synchronized. If you prefer not to type, you can record voice memos instead. You can use VO Calendar with the VoiceOver gestures you are used to. However, there is an even faster way. With the screen being split into two halves you can scan the right half of the screen with your right thumb. A single tap with your left thumb then is enough to activate the concerning function. After getting used to you will find out this helps you to browse through your calendar even quicker. The left bottom always contains the ‘Return’ button so you can still reach it with your right thumb (being an L-shaped layout). At the top left you can always find a summary of the current screen content. In case you are left-handed you can swap left and right. Note: If you have multiple calendars configured, VO Calendar will show all concerning events. New events will be assigned to your iPhone’s default calendar. Change the default calendar in: Settings > Mail, Contacts, Calendars > Default Calendar. VO Calendar is developed in cooperation with Royal Dutch Visio, Centre of Expertise for blind and partially sighted people (www.visio.org). We appreciate your opinion and are always interested in hearing from you. Feel free to leave your feedback in the form of a review or contact us at: [email protected] In case you have problems recording a memo: - Hold one finger on 'Record memo' button - Use other finger to tap on screen (instead of first focussing on the button and then double tap)
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.