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.
ArrivAlarm tells you when you're almost there — with a real alarm it schedules through iOS, not a notification
$2.99
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.
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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.
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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.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
ArrivAlarm tells you when you're almost there — with a real alarm it schedules through iOS, not a notification. It rings through silent mode. It rings through a Focus. It rings with your screen off and the app closed. Set a destination, choose how much warning you want — anywhere from a tenth of a mile to five — and put your phone away. Go back to your album, your podcast, your book, or your nap. No more surfacing every few minutes to check how close you are. No account. No ads. No analytics. Nothing to set up but where you're going. SET IT IN SECONDS Search for a place, pick one you've saved, or press and hold the map to drop a pin. Drag the slider to set your alert distance and the map shows you exactly where the alarm will fire. AN ALARM THAT ACTUALLY GOES OFF ArrivAlarm schedules a real iOS alarm with AlarmKit, not a notification you might miss. It rings on silent. It rings through a Focus. It rings with the screen off and the app closed. ON YOUR WRIST Because it's a real iOS alarm, your Apple Watch buzzes at arrival when your iPhone is locked — so the alert reaches you even with your phone packed away. Nothing to install on the watch. If your phone is unlocked you already have it in hand, so the watch stays quiet. QUIET WHEN YOU NEED IT Switch to vibrate-only for a silent train or a shared space. Your watch still buzzes and the alert still appears on screen. AT A GLANCE A Live Activity on your Lock Screen and Dynamic Island shows your status without opening the app. PLACES YOU GO OFTEN Save the stops you use regularly, reorder them how you like, and pull one up in a tap. PRIVATE BY DESIGN Everything happens on your device. Your location is never sent to a server, never stored anywhere else, and never shared. No accounts, no analytics, no ads, no third-party SDKs of any kind. Requires iOS 26.0 or later.
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.