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
Daniel Tiger’s Play at Home
Daniel Tiger’s Play at Home helps children explore the world around them through pretend play
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.3
341 ratings · Below Average
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 included17 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 Daniel Tiger’s Play at Home: 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
Include user-generated content or regularly updated activities.
Assumption to check: Limited content variety for preschoolers
Validate with people who use this workflow before building.
Hypothesis 2
Implement clearer explanations and previews for paid content.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Create a more visual navigation system with icons and larger buttons.
Assumption to check: Navigation can be unintuitive for young users
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a dashboard for tracking learning milestones and achievements.
Assumption to check: Lack of progress tracking 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
Daniel Tiger’s Play at Home helps children explore the world around them through pretend play. Learn Daniel’s everyday routines like bedtime, bath time, and brushing teeth! Play games with your children, help them explore their feelings, and learn healthy habits together in the safety of your own home. Daniel Tiger’s Play at Home invites children into a world of make-believe from the PBS KIDS show “Daniel Tiger’s Neighborhood.” The app is packed with mini games and learning activities, complete with songs about daily routines like washing hands and potty time. Help your child be safe and healthy while distance learning. DANIEL TIGER’S PLAY AT HOME FEATURES: Activity Games - Six mini games for children to explore everyday activities and routines. - Pretend play and mini games help children learn about the world while at home. Play with Daniel Tiger - Use your imagination during pretend play. - Create your own stories with Daniel Tiger’s Neighborhood characters. - Listen to songs for kids from the show. Sticker Book - **NEW!** - Play with dozens of stickers in Daniel’s house and Neighborhood. - Kids can use stickers to create their own stories while playing in Daniel’s world. Fish Tank - **NEW!** - Feed and interact with Daniel’s fish tank and have fun with his pet fish. - Help your child learn about the responsibilities that come with taking care of pets. Pretend Doctor Games - Play Doctor with the tools that doctors use. - Exploring Daniel’s doctor bag can make it easier when your child has to be the patient. Get Ready for Bedtime - Help Daniel get ready to go to sleep. - Play bedtime games to help children think about their own routines. Daniel’s Bathroom Routine - Learn about washing, brushing and flushing with Daniel. - Help children with their own bathroom routines. Feel the Music - Music and songs can help children to express their feelings and emotions. - You and your child can play with music that expresses different feelings like happy, sad and mad. Play fun mini games with Daniel Tiger and learn about important everyday activities and routines. Download Daniel Tiger’s Play at Home today! Daniel Tiger’s Play at Home is based on the PBS KIDS series Daniel Tiger’s Neighborhood, produced by the Fred Rogers Company. Made for children ages 2-5, the app is designed to extend the series’ social-emotional curriculum. Check out the other Daniel Tiger apps: Daniel Tiger's Day & Night, Explore Daniel Tiger’s Neighborhood, Daniel Tiger’s Stop and Go Potty, and Daniel Tiger's Grr-ific Feelings. For more apps from PBS KIDS, visit http://to.pbs.org/kids_appstore. For more fun with Daniel Tiger, visit pbskids.org/daniel. ABOUT PBS KIDS Daniel Tiger’s Neighborhood: Play at Home with Daniel is part of PBS KIDS’ ongoing commitment to helping kids build the skills they need to succeed in school and in life. PBS KIDS, the number one educational media brand for kids, offers all children the opportunity to explore new ideas and new worlds through television and digital media, as well as community-based programs. Credits: App Credits Feel the Music, Doctor Daniel, Bedtime, Daniel’s Bathroom and Fish Tank were originally designed by Schell Games in partnership with Fred Rogers Productions and PBS KIDS.The Play at Home with Daniel Tiger app was originally designed by CloudKid. The app was redesigned and developed by Curious Media in partnership with Fred Rogers Productions and PBS KIDS.
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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
Zustand
Supabase
react-navigation
@supabase/supabase-js
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.
