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
MobileFamilyTree 11
Discover your family history with MobileFamilyTree 11: modern, interactive, convenient, and fast
$14.99 · In-app purchases
PRICE
$14.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
628 ratings · Top 15%
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 included19 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 MobileFamilyTree 11: map the core Productivity 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
Allow users to customize colors, layouts, and node designs.
Assumption to check: Limited customization options for family trees.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a more robust cloud sync feature.
Assumption to check: Difficulties in syncing data across devices.
Validate with people who use this workflow before building.
Hypothesis 3
Provide in-app tutorials or onboarding guides.
Assumption to check: Lack of tutorials or guides for new users.
Validate with people who use this workflow before building.
Hypothesis 4
Expand the options for defining relationships between family members.
Assumption to check: Limited relationship types.
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
Discover your family history with MobileFamilyTree 11: modern, interactive, convenient, and fast. Explore your family tree and your family history in a way that would have amazed generations of chroniclers before you. Create visually impressive charts, evaluations, reports, and books, navigate through the Interactive Family Tree or Virtual Tree 3D view and experience genealogy in a whole new way. ---------- MAJOR NEW FEATURES IN MOBILEFAMILYTREE 11 Completely New Places Management All-New: Landmarks and Place Details All-New: Search for Geographic Coordinates & Alternative Names All-New: Wikipedia Integration for Places New Feature: Influential People – Who Shaped Your Life? Completely New Diagram: Sociogram New ToDo Assistant New Date Picker and multilingual Date Handling Many New AI Models for Photo Colorization New: AI-Powered Photo Repair and Damage Removal Newly Developed: Create and Host Your Family Tree Website for Free Improved User Interface – Faster and More Intuitive All-New Welcome Window – Your Starting Point New: Mark Your Preferred Tools – Personalize Your MobileFamilyTree Experience New Backup Feature: Protect Your Valuable Data Countless further improvements and new features
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
Supabase
React Navigation
React Native SVG
AsyncStorage
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.
