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.
App Overview
Baby Kick Counter Watch
Baby Kick Counter Watch — the simplest way to track your baby's movements right from your Apple Watch.
$3.99
PRICE
$3.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included16 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Baby Kick Counter Watch: map the core Health & Fitness workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
HealthKit integration for accurate data
Assumption to check: Inaccurate tracking
Validate with people who use this workflow before building.
Hypothesis 2
AI-personalized recommendations
Assumption to check: Generic workout plans
Validate with people who use this workflow before building.
Hypothesis 3
Add friend challenges and sharing
Assumption to check: No social features
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Baby Kick Counter Watch — the simplest way to track your baby's movements right from your Apple Watch. ONE TAP. TOTAL PEACE OF MIND. During pregnancy, counting baby kicks is one of the most important things you can do. Baby Kick Counter Watch makes it effortless — just tap your wrist and count. HOW IT WORKS • Tap anywhere on screen to count a kick • Session timer tracks how long you've been counting • End session to save your results • View your full history anytime • Check daily stats and averages DESIGNED FOR EXPECTING MOTHERS We know pregnancy can be stressful. That's why Baby Kick Counter Watch is built to be as simple and calming as possible: • Extra-large counter number — easy to read at a glance • Gentle haptic feedback with every tap • Warm, soothing design that feels reassuring • No complicated menus or settings TRACK YOUR BABY'S HEALTH Healthcare providers recommend counting at least 10 kicks in 2 hours. Baby Kick Counter Watch helps you: • Record every fetal movement session • Review your kick history with dates and times • See your average kicks per session • Track total kicks today BUILT FOR APPLE WATCH • Works on all Apple Watch sizes (40mm to 49mm) • Instant launch — start counting in under a second • All data stored locally on your watch • No iPhone required • No account needed — your privacy matters Whether you're at home, at work, or on the go — your baby's kick tracker is always on your wrist. Download Baby Kick Counter Watch today and enjoy a calmer, more connected pregnancy journey.
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
HealthKit
Supabase
RevenueCat
BUILD KIT DIFFICULTY
Starter
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.
