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.
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$2.99 · 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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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.
Rork plan preview for This Time Last Year: map the core Photo & Video 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 photo editing features compared to other apps
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No cloud backup for memories
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of customization in memory presentation
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.
You know that notification. "Storage Almost Full." The one that keeps coming back no matter how many times you dismiss it. Twenty thousand photos, and the whole library at once is too big to face. So you don't. And it grows. This Time Last Year shows you every photo you took on today's date, across all your years. Keep what matters, clear the rest, and close the app in five minutes. Tomorrow it gives you the next day. THE SHIFT This makes it small. One date. A handful of moments. And somewhere in the tidying, something unexpected happens. You start looking forward to it. Not for the cleanup. For the photos. A minute each morning, and suddenly you are aware of how much time has passed. How much has changed. How much is worth keeping. SMARTER TRIAGE Blurry shots, screenshots, and burst photos get quietly identified with advisory badges. You always decide what stays. The app only ever suggests. BATCH TRIAGE Long-press to mark photos one at a time, or use select mode to mark many at once. Mark all blurry shots, all screenshots, or any mix, then delete together in one confirmation. FULL SCREEN VIEWER Tap any photo to fill the screen. Swipe through all your years without stopping. Found one worth sending? Share it in a tap. THREE QUIET THEMES Warm Cream, Dusty Rose, or Slate and Fog. Choose the one that feels like yours. BUILT TO BE TRUSTED Everything happens on your phone. Your photos are never uploaded, never analyzed on a server, never sold or shared. No subscription quietly renewing in the background. Pay once, own it.
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.