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.
Baby Kick Art is an app born from the love of my wife and our first child
$0.99 · 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 Baby Kick Art: map the core Entertainment 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 user engagement features
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of visual variety in kick representation
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No reminders for tracking kicks
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Minimal data visualization options
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.
Baby Kick Art is an app born from the love of my wife and our first child. While pregnant, she rigged up prototype, electrical hardware and taped it to her belly to measure our child's movement. She eventually had the great idea to turn that movement data into art. This app is an enhanced version of her idea made available to the public so they can share in our experience. This app does not require a login, does not need personal data access, there's no in-app purchases, it's just here for fun. You'll only need to grant access to your photos to save off any artwork. We hope you enjoy this app, please let us know if you have any suggestions as this is a pet project of ours that we will continually try to upgrade over time. Baby Kick Art uses your iPhone's motion sensor to capture movement of your baby while in the womb and turn it into artwork. Every little movement by your baby leaves a trace on the canvas. No brushes, no tapping, no skill required. Just motion. This creates a fun keepsake to show your children one day and say, "look, you made this when you were a little baby!" Also, we have found little kids have a lot of fun making mesmerizing art with their movement. **Three artistic modes** *Time Lapse* — Soft, glowing circles accumulate and grow over time, building a layered painting you can save when you're done. *Waves* — Each movement rings out as a set of concentric lines, building a map-like composition that grows with every motion. *Fireworks* — Bursts of color explode across the screen and fade away, leaving nothing behind — pure kinetic expression in the moment. **Make it yours** Dial in your color theme with a full hue wheel. Adjust sensitivity to respond to the subtlest movement or dial it back for a more expressive child. Control how wide gestures spread across the canvas. Switch between a dark or light background to change the mood. **Save and share** End a session to save your artwork directly to your photo library or share it anywhere. Baby Kick Art is for adults who want a fun way to capture the magic of pregnancy — and anyone they want to share it with.
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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.