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
Goldminds: Kids’ Sleep Stories
Help your child unwind and fall asleep faster with Goldminds, a bedtime story app featuring built-in relaxation and mindfulness in every story.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
321 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
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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 included18 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 Goldminds: Kids’ Sleep Stories: map the core Books 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
Offer customizable stories or user-generated content.
Assumption to check: Limited content variety
Validate with people who use this workflow before building.
Hypothesis 2
Clearer subscription benefits and trials.
Assumption to check: Subscription confusion
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate gamification elements for kids.
Assumption to check: No interactive features
Validate with people who use this workflow before building.
Hypothesis 4
Offer an ad-free experience with premium subscription.
Assumption to check: Ads in free version
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
Help your child unwind and fall asleep faster with Goldminds, a bedtime story app featuring built-in relaxation and mindfulness in every story. With hundreds of soothing stories for kids aged 0-10, Goldminds is your go-to for bedtime, naptime, car rides, or any moment that calls for a little calm. Features: — Mindfulness-Infused Stories: Hundreds of calming stories that promote relaxation and deep sleep for kids — Meaningful Lessons: Listen to stories that teach your child about confidence, kindness, gratitude and more! — Custom Story Builder: Make your child the star! Enter their name, pick a story, and watch them become the main character — Soothing Music & Sounds: Set the tone with calming music, white noise, and ambient sounds — 7-Day Free Trial: Try Goldminds free before choosing a monthly, quarterly or yearly plan Built by parents and sleep experts! Questions? [email protected] Privacy Policy: getgoldminds.com/privacy-policy Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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 Navigation
Supabase
Expo
React Native Gesture Handler
React Native Reanimated
BUILD KIT DIFFICULTY
Intermediate
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.
