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
Busy Board - Sensory Kid Board
Busy Board is a digital sensory board designed for children, especially those with autism or sensory processing needs
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
2 ratings · Top 5%
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
Make this idea yours
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 included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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 Busy Board - Sensory Kid Board: map the core Education 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
Introduce user-generated content or community activities.
Assumption to check: Limited variety of activities can lead to user disengagement.
Validate with people who use this workflow before building.
Hypothesis 2
Clearly outline benefits of premium features.
Assumption to check: In-app purchases may not provide clear value to users.
Validate with people who use this workflow before building.
Hypothesis 3
Implement offline mode with downloaded activities.
Assumption to check: Lack of offline access to activities.
Validate with people who use this workflow before building.
Hypothesis 4
Add a system to track completed activities and achievements.
Assumption to check: No progress tracking for users.
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
Busy Board is a digital sensory board designed for children, especially those with autism or sensory processing needs. Inspired by real wooden busy boards, this app provides a safe, calming space for exploration and play. FEATURES: • Toggle Switches - Satisfying click-clack switches • Chunky Buttons - Arcade-style buttons with fun sounds (boing, honk, squeak!) • Mini Xylophone - 8 colorful bars that play musical notes • Spinning Gears - Watch them spin together • Fake TV Remote - Kids love remotes! Number pad, volume, and channel buttons • Fidget Spinner - Swipe to spin with realistic momentum • Colorful Spinning Wheel - Round and round it goes • Rotary Dials - Old-school phone dial feeling • Sliding Latches - Satisfying lock and unlock • Counting Beads - Slide the beads back and forth • Zippers - Pull up and down with realistic feedback • Light-Up Buttons - Tap to watch them glow bright • Bubble Pop - Pop them like bubble wrap (they reset!) • White board - Kids favorite thing is to draw! • SLIME! Stretchy and squishy with sounds! DESIGNED FOR KIDS: • No ads, no distractions • No timers or scores - just free play • Gentle haptic feedback on every interaction • Warm, inviting wood-themed design • Cute animal stickers throughout • Works on iPhone and iPad Perfect for: • Children with autism or ADHD • Sensory seekers • Toddlers learning cause and effect • Waiting rooms and car rides • Calming bedtime routines DISCLAIMER : THIS IS NOT A MEDICAL DEVICE, IT IS SOLELY MEANT TO BE A TOOL FOR FUN AND BENEFICIAL TO ANY AND ALL KIDS! One-time purchase. No subscriptions. No hidden fees.
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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
Expo
Axios
React Navigation
Zustand
Expo Image Picker
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.
