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
The Berenstain Christmas Tree
"So in everything, do to others what you would have them do to you." - Matthew 7:12
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.9
27 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 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 The Berenstain Christmas Tree: 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
Add more interactive features like mini-games or puzzles related to the story.
Assumption to check: Limited interactivity beyond tapping elements
Validate with people who use this workflow before building.
Hypothesis 2
Implement a download feature for offline reading.
Assumption to check: No options for offline access
Validate with people who use this workflow before building.
Hypothesis 3
Introduce a freemium model with more free content to attract users.
Assumption to check: In-app purchase for full content may deter users
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to customize reading preferences such as text size and background color.
Assumption to check: Lack of personalization 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
"So in everything, do to others what you would have them do to you." - Matthew 7:12 Join the Berenstain Bears in this interactive Christian book app as Papa Bear and the cubs look for the perfect Christmas tree! Explore pictures, learn new vocabulary, and personalize the story with your own narration. When Papa, Brother, and Sister Bear realize that the trees are perfect homes for the fellow Bear Country animals, will they show them kindness by not cutting a tree down? Part of the Living Lights series. Living Lights Berenstain Bear books help children learn how God wants them to live every day. Explore the Story: - ENCOURAGE literacy skills with highlighted narration - LEARN new words by tapping pictures - RECORD your own narration & share it with others - SELECT a scene with easy-to-use navigation - KEEP kids in the story with parental controls Designed for children ages 3-7 ------------------------------------------------------------------------ The Reviews Are In: - "I wholeheartedly recommend the Berenstain Bears e-book apps" - CNET - "Parents and kids are sure to enjoy these great new Berenstain Bear apps" - PadGadget ------------------------------------------------------------------------ We'd Love To Hear From You! - Please share your thoughts in a review! Your experience matters to us. - Need tech support? Contact us at [email protected] - Say hello to us on FB! facebook.com/oceanhousemedia Official Zondervan licensed app: www.zonderkidz.com
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
react-navigation
expo-av
@react-native-community/slider
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.
