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
Kabbalah Coloring Book
Kabbalah Coloring Book brings the sacred artwork of David Friedman to life on your iPhone and iPad.
$9.99 · In-app purchases
PRICE
$9.99
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 Kabbalah Coloring Book: 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 daily/weekly new pages to keep users engaged.
Assumption to check: Limited variety of coloring pages.
Validate with people who use this workflow before building.
Hypothesis 2
Add options for sharing artwork on social media.
Assumption to check: No social sharing features.
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate animations and effects while coloring.
Assumption to check: Potential lack of interactivity in coloring features.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a free trial or limited free content.
Assumption to check: High initial cost without trial.
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
Kabbalah Coloring Book brings the sacred artwork of David Friedman to life on your iPhone and iPad. Each page in this app is based on meaningful Kabbalistic imagery — Tree of Life, the Sefirot, Hebrew letters, sacred geometry, and more. As you color, you can read the description behind each page, listen to meditative music, and move through the book at your own pace. This is not a generic coloring app. It is a spiritual experience designed for adults who want to engage with Jewish mysticism through art, color, and quiet reflection. FEATURES · Gallery of sacred coloring pages based on the physical Kabbalah Coloring Book by David Friedman · Full drawing toolkit: pen, pencil, marker, crayon, watercolor, fountain pen, and eraser · Apple Pencil and finger drawing support · 16-color palette with adjustable opacity · Zoom and pan for fine detail work · Undo and redo · Page descriptions explaining the Kabbalistic meaning behind each image · Built-in music player with meditative tracks · Save and share your finished artwork · Works on iPhone and iPad · No subscription. No ads. No account required. WHO THIS IS FOR · Adults interested in Kabbalah, Jewish mysticism, and Torah-rooted art · Anyone who finds coloring meditative and calming · Fans of the physical Kabbalah Coloring Book by David Friedman · People looking for a meaningful creative practice The physical coloring book has been enjoyed by thousands of people. This app brings that same experience to your device — with music, zoom, undo, and the ability to carry all the pages with you. One purchase. Every page. No limits.
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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
Supabase
React Navigation
Zustand
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.
