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
Yoga for Kids and Family
Best yoga training app for beginners and kids
$2.99 · In-app purchases
PRICE
$2.99
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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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 Yoga for Kids and Family: 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
Offer regular updates with new sessions and themes.
Assumption to check: Limited session variety may lead to user boredom
Validate with people who use this workflow before building.
Hypothesis 2
Integrate gamification elements and rewards for completing sessions.
Assumption to check: Difficulties in engaging children for longer periods
Validate with people who use this workflow before building.
Hypothesis 3
Include beginner-friendly sessions with detailed instructions and visuals.
Assumption to check: Inadequate instructional quality for beginners
Validate with people who use this workflow before building.
Hypothesis 4
Add social features where users can share progress and challenge friends.
Assumption to check: Lack of community 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
Best yoga training app for beginners and kids Workout keep physically healthy kids and also are more likely to be academically motivated, alert, and successful. Give a child you love a gift that will promote success in every area of their life. This fitness app is one of the best yoga for family with different poses and specifically designed for kids. Yoga workout plan helps to stay fit, relaxing, focusing and developing children’s mind. Physical competence builds self-esteem at every age. Yoga app has different type of yoga poses including fun Animal yoga poses. Yoga for Complete Beginners has nutrition facts for the children with healthy diet, healthy eating, healthy recipes for kids. Learn popular fitness routines with this kids yoga app BENEFITS OF DAILY YOGA WORKOUT: - Helps you keep your cool - Yoga for Energy Improvement - Improves posture and strengthens back - Confidence booster - Improve Your Flexibility - Yoga for Better Sleep - Yoga for Body Toning - Yoga for Great Legs - Fitness and health - You sleep better - Weight Loss - Yoga for a Strong Back. Different Child’s pose can be performed on yoga doing different meditation. Exercises for kids is a easy home workout & no equipment needed
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
Expo
Axios
react-navigation
@react-native-community/async-storage
Shadcn/UI
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.
