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
JellyKids
JellyKids is a kid-friendly Jellyfin client designed to make browsing and watching your family’s media simple, safe, and fun.
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
4 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.
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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 included18 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 JellyKids: 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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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
Expand story categories and genres to keep engagement high.
Assumption to check: Limited content variety for kids
Validate with people who use this workflow before building.
Hypothesis 2
Introduce interactive features to make stories more engaging.
Assumption to check: No interactive elements in stories
Validate with people who use this workflow before building.
Hypothesis 3
Allow multiple profiles for family sharing.
Assumption to check: Single profile support
Validate with people who use this workflow before building.
Hypothesis 4
Provide clearer information about what features are locked behind paywall.
Assumption to check: In-app purchase clarity
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
JellyKids is a kid-friendly Jellyfin client designed to make browsing and watching your family’s media simple, safe, and fun. A Jellyfin server is required to use JellyKids. The app connects to your own Jellyfin server so your family stays in control of your personal media library. Built for families, JellyKids gives kids an easy, playful experience while helping parents keep content more appropriate with safer defaults and better visibility controls. Features • Quick setup with your Jellyfin server • Kid-safe age filtering with adjustable content limits • Unrated content is automatically hidden for safer browsing • Easy category-based browsing for Movies, Shows, YouTube, Music, Favorites, and Downloads • “Surprise Me” picks for quick discovery • Offline downloads and a dedicated offline mode toggle • Improved home screen organization for downloaded content • Simple sorting options including Random, Newest, and A–Z • Guided onboarding for first-time setup • Local network server discovery for faster connection • Improved video playback, including MP4 streaming support • Dedicated music player with improved audio browsing and playback • Screen time improvements, including a timer in the top menu JellyKids is designed to feel fun for kids, dependable for parents, and fully connected to your own Jellyfin media. Requirements • A Jellyfin server is required to use the app • Internet or local network access is required to connect to your server • Some features depend on your Jellyfin server configuration A tighter App Store version would read even better: JellyKids is a kid-friendly Jellyfin client that makes it simple, safe, and fun for families to browse and enjoy their personal media library. A Jellyfin server is required to use this app. JellyKids connects to your own Jellyfin server, giving kids an easy, playful experience while helping parents keep content more appropriate with safer defaults and better visibility controls. With kid-safe age filtering, unrated content hidden by default, easy browsing for Movies, Shows, YouTube, Music, Favorites, and Downloads, offline mode, improved video playback, MP4 streaming support, a dedicated music player, and screen time tools, JellyKids is built to feel fun for kids and dependable for parents. Requirements • A Jellyfin server is required • Internet or local network access is needed to connect to your server • Some features depend on your Jellyfin server configuration
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
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BUILD KIT DIFFICULTY
Advanced
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.
