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.
Make time for yourself beside a softly illustrated koi pond.
$0.99
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.
Your first Build Kit is free with a verified email.
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.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Make time for yourself beside a softly illustrated koi pond. FOCUS Choose a 1–60 minute timer and return to one thing at a time. Review your session time in simple seven- and thirty-day charts. BREATHE Follow gentle breathing cues while koi move around the pond. Choose a session length in the app, or open a one-minute breathing session from a widget. Breathing pauses when you leave the app. UNWIND Choose a 15–60 minute Sleep timer with bundled music or nature sounds. Switch sounds during a session; audio fades during the final minute. This is a quiet wind-down tool, not a sleep tracker or medical treatment. GROW YOUR POND Completed timers provide fish food. Feed the koi and collect pond residents and plants as you build your routine. KEEP IT CLOSE Home Screen and Lock Screen widgets open sessions quickly. Focus and Sleep support Live Activities, including Sleep music controls. Pond widgets show a saved pond image; they do not continuously animate. Daypond works without an account. Session history and preferences stay in local app storage. No ads, tracking, or app-managed cloud sync. Requires iOS or iPadOS 26 or later.
Written user reviews are not shown here. Check current App Store reviews >
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.
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.
Not assessed in a Build Kit yet.
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.